805406387940

Names of 805406387940

• Cardinal: 805406387940 can be written as Eight hundred five billion, four hundred six million, three hundred eighty-seven thousand, nine hundred forty.

Scientific notation

• Scientific notation: 8.0540638794 × 10¹¹

Factors of 805406387940

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 28

Divisors of 805406387940

• Number of divisors d(n): 1008
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 11 12 14 15 18 20 21 22 27 28 30 33 35 36 42 44 45 49 54 55 60 63 66 70 77 81 84 90 98 99 105 108 110 121 126 132 135 140 147 154 162 165 180 189 196 198 210 220 231 242 243 245 252 270 294 297 308 315 324 330 343 363 378 385 396 405 420 441 462 484 486 490 495 539 540 567 588 594 605 630 660 686 693 726 729 735 756 770 810 847 882 891 924 945 972 980 990 1029 1078 1089 1134 1155 1188 1210 1215 1260 1323 1331 1372 1386 1452 1458 1470 1485 1540 1617 1620 1694 1701 1715 1764 1782 1815 1890 1980 2058 2079 2156 2178 2205 2268 2310 2420 2430 2541 2646 2662 2673 2695 2772 2835 2916 2940 2970 3087 3234 3267 3388 3402 3430 3465 3564 3630 3645 3773 3780 3969 3993 4116 4158 4235 4356 4410 4455 4620 4851 4860 5082 5103 5145 5292 5324 5346 5390 5445 5670 5929 5940 6174 6237 6468 6534 6615 6655 6804 6860 6930 7260 7290 7546 7623 7938 7986 8019 8085 8316 8470 8505 8820 8910 9261 9317 9702 9801 10164 10206 10290 10395 10692 10780 10890 11319 11340 11858 11907 11979 12348 12474 12705 13068 13230 13310 13365 13860 14553 14580 14641 15092 15246 15435 15876 15972 16038 16170 16335 16940 17010 17787 17820 18522 18634 18711 18865 19404 19602 19845 19965 20412 20580 20790 21780 22638 22869 23716 23814 23958 24255 24948 25410 25515 26460 26620 26730 27783 27951 29106 29282 29403 29645 30492 30870 31185 32076 32340 32670 33957 34020 35574 35721 35937 37044 37268 37422 37730 38115 39204 39690 39930 40095 41503 41580 43659 43923 45276 45738 46305 46585 47628 47916 48510 49005 50820 51030 53361 53460 55566 55902 56133 56595 58212 58564 58806 59290 59535 59895 61740 62370 65219 65340 67914 68607 71148 71442 71874 72765 73205 74844 75460 76230 79380 79860 80190 83006 83349 83853 87318 87846 88209 88935 91476 92610 93170 93555 97020 98010 101871 102060 102487 106722 107811 111132 111804 112266 113190 114345 117612 118580 119070 119790 124509 124740 130438 130977 131769 135828 137214 138915 139755 142884 143748 145530 146410 147015 152460 160083 160380 161051 166012 166698 167706 169785 174636 175692 176418 177870 178605 179685 185220 186340 187110 195657 196020 203742 204974 205821 207515 213444 215622 218295 219615 224532 226380 228690 238140 239580 249018 250047 251559 260876 261954 263538 266805 274428 277830 279510 280665 291060 292820 294030 305613 307461 320166 322102 323433 326095 333396 335412 339570 343035 352836 355740 357210 359370 373527 374220 391314 392931 395307 407484 409948 411642 415030 416745 419265 431244 436590 439230 441045 456533 457380 480249 483153 498036 500094 503118 509355 512435 523908 527076 533610 539055 555660 559020 561330 586971 588060 611226 614922 617463 622545 640332 644204 646866 652190 654885 658845 679140 686070 714420 717409 718740 747054 754677 782628 785862 790614 800415 805255 823284 830060 833490 838530 873180 878460 882090 913066 916839 922383 960498 966306 970299 978285 1000188 1006236 1018710 1024870 1029105 1067220 1078110 1120581 1122660 1127357 1173942 1185921 1222452 1229844 1234926 1245090 1250235 1257795 1293732 1304380 1309770 1317690 1369599 1372140 1434818 1440747 1449459 1494108 1509354 1528065 1537305 1571724 1581228 1600830 1610510 1617165 1666980 1677060 1760913 1764180 1826132 1833678 1844766 1867635 1920996 1932612 1940598 1956570 1964655 1976535 2037420 2049740 2058210 2152227 2156220 2241162 2254714 2264031 2282665 2347884 2371842 2401245 2415765 2469852 2490180 2500470 2515590 2619540 2635380 2739198 2750517 2767149 2869636 2881494 2898918 2934855 3018708 3056130 3074610 3087315 3201660 3221020 3234330 3361743 3382071 3521826 3557763 3587045 3667356 3689532 3735270 3773385 3881196 3913140 3929310 3953070 4108797 4116420 4304454 4322241 4348377 4482324 4509428 4528062 4565330 4584195 4611915 4743684 4802490 4831530 4851495 5000940 5021863 5031180 5282739 5478396 5501034 5534298 5602905 5636785 5762988 5797836 5869710 5929605 6112260 6149220 6174630 6456681 6468660 6723486 6764142 6792093 6847995 7043652 7115526 7174090 7203735 7247295 7470540 7546770 7858620 7891499 7906140 8217594 8301447 8608908 8644482 8696754 8804565 9056124 9130660 9168390 9223830 9604980 9663060 9702990 10043726 10085229 10146213 10565478 10673289 10761135 11002068 11068596 11205810 11273570 11320155 11739420 11859210 12326391 12349260 12913362 13045131 13446972 13528284 13584186 13695990 13752585 13835745 14231052 14348180 14407470 14494590 15065589 15093540 15782998 15848217 16435188 16602894 16808715 16910355 17288964 17393508 17609130 17788815 18336780 18447660 19370043 19405980 20087452 20170458 20292426 20543985 21130956 21346578 21522270 21611205 21741885 22411620 22547140 22640310 23674497 23718420 24652782 24904341 25109315 25826724 26090262 26413695 27168372 27391980 27505170 27671490 28814940 28989180 30131178 30255687 30438639 31565996 31696434 32283405 33205788 33617430 33820710 33960465 35218260 35577630 36979173 38740086 39135393 39457495 40340916 40584852 41087970 41507235 42693156 43044540 43222410 43483770 45196767 45280620 47348994 47544651 49305564 49808682 50218630 50426145 50731065 52180524 52827390 53366445 55010340 55240493 55342980 58110129 60262356 60511374 60877278 61631955 63392868 64566810 65225655 67234860 67641420 67920930 71023491 71155260 73958346 74713023 75327945 77480172 78270786 78914990 79241085 82175940 83014470 86444820 86967540 90393534 91315917 94697988 95089302 96850215 99617364 100437260 100852290 101462130 105654780 106732890 110480986 110937519 116220258 117406179 118372485 121022748 121754556 123263910 124521705 129133620 130451310 135590301 135841860 142046982 147916692 149426046 150655890 151278435 152193195 156541572 157829980 158482170 165721479 166028940 174330387 180787068 182631834 184895865 190178604 193700430 195676965 201704580 202924260 213070473 213465780 220961972 221875038 225983835 232440516 234812358 236744970 237723255 246527820 249043410 260902620 271180602 273947751 276202465 284093964 290550645 298852092 301311780 302556870 304386390 316964340 331442958 332812557 348660774 355117455 365263668 369791730 373565115 387400860 391353930 406770903 426140946 443750076 451967670 456579585 469624716 473489940 475446510 497164437 498086820 522991161 542361204 547895502 552404930 554687595 581101290 587030895 605113740 608772780 639211419 662885916 665625114 677951505 697321548 710234910 739583460 747130230 782707860 813541806 821843253 828607395 852281892 871651935 903935340 913159170 950893020 994328874 1045982322 1065352365 1095791004 1104809860 1109375190 1162202580 1174061790 1220312709 1278422838 1331250228 1355903010 1369738755 1420469820 1491493311 1494260460 1627083612 1643686506 1657214790 1664062785 1743303870 1826318340 1917634257 1988657748 2033854515 2091964644 2130704730 2218750380 2348123580 2440625418 2485822185 2556845676 2614955805 2711806020 2739477510 2982986622 3196057095 3287373012 3314429580 3328125570 3486607740 3660938127 3835268514 4067709030 4109216265 4261409460 4474479933 4881250836 4971644370 5229911610 5478955020 5752902771 5965973244 6101563545 6392114190 6656251140 7321876254 7457466555 7670537028 8135418060 8218432530 8948959866 9588171285 9943288740 10459823220 11505805542 12203127090 12784228380 13423439799 14643752508 14914933110 16436865060 17897919732 18304690635 19176342570 22372399665 23011611084 24406254180 26846879598 28764513855 29829866220 36609381270 38352685140 40270319397 44744799330 53693759196 57529027710 67117198995 73218762540 80540638794 89489598660 115058055420 134234397990 161081277588 201351596985 268468795980 402703193970 805406387940
• Sum of all divisors σ(n): 3253009334400
• Sum of proper divisors (its aliquot sum) s(n): 2447602946460
• 805406387940 is an abundant number, because the sum of its proper divisors (2447602946460) is greater than itself. Its abundance is 1642196558520

Bases of 805406387940

• Binary: 1011101110000101111101100010111011100100₂
• Hexadecimal: 0xBB85F62EE4
• Base-36: A9ZY6290

Squares and roots of 805406387940

• 805406387940 squared (805406387940²) is 648679449734557777443600
• 805406387940 cubed (805406387940³) is 522450572541616971324084283070184000
• The square root of 805406387940 is 897444.3648160035
• The cube root of 805406387940 is 9304.0425941969

Scales and comparisons

• 805,406,387,940 seconds is equal to 25,609 years, 22 weeks, 3 days, 4 hours, 39 minutes.
• To count from 1 to 805,406,387,940 would take you about fifty-one thousand, two hundred eighteen years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 805406387940 cubic inches would be around 775.3 feet tall.

Recreational maths with 805406387940

• 805406387940 backwards is 049783604508
• 805406387940 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 805406387940's digits is 54
• More coming soon!