1990981085940

Names of 1990981085940

• Cardinal: 1990981085940 can be written as One trillion, nine hundred ninety billion, nine hundred eighty-one million, eighty-five thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.99098108594 × 10¹²

Factors of 1990981085940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 65

Divisors of 1990981085940

• Number of divisors d(n): 1152
• 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 37 42 44 45 49 54 55 60 63 66 70 74 77 84 90 98 99 105 108 110 111 121 126 132 135 140 147 148 154 165 180 185 189 196 198 210 220 222 231 242 245 252 259 270 294 297 308 315 330 333 343 363 370 378 385 396 407 420 441 444 462 484 490 495 518 539 540 555 588 594 605 630 660 666 686 693 726 735 740 756 770 777 814 847 882 924 945 980 990 999 1029 1036 1078 1089 1110 1155 1188 1210 1221 1260 1295 1323 1332 1372 1386 1452 1470 1485 1540 1554 1617 1628 1665 1694 1715 1764 1813 1815 1890 1980 1998 2035 2058 2079 2156 2178 2205 2220 2310 2331 2401 2420 2442 2541 2590 2646 2695 2772 2849 2940 2970 3087 3108 3234 3267 3330 3388 3430 3465 3626 3630 3663 3773 3780 3885 3996 4070 4116 4158 4235 4356 4410 4477 4620 4662 4802 4851 4884 4995 5082 5145 5180 5292 5390 5439 5445 5698 5929 5940 6105 6174 6468 6534 6615 6660 6860 6930 6993 7203 7252 7260 7326 7546 7623 7770 8085 8140 8316 8470 8547 8820 8954 9065 9261 9324 9604 9702 9990 10164 10290 10395 10780 10878 10890 10989 11319 11396 11655 11858 12005 12210 12348 12691 12705 13068 13230 13431 13860 13986 14245 14406 14553 14652 15092 15246 15435 15540 16170 16317 16335 16807 16940 17094 17787 17908 18130 18315 18522 18865 19404 19943 19980 20580 20790 21609 21756 21780 21978 22385 22638 22869 23310 23716 24010 24255 24420 25382 25410 25641 26411 26460 26862 27195 27972 28490 28812 29106 29645 30492 30870 31339 32340 32634 32670 33614 33957 34188 34965 35574 36015 36260 36630 37044 37730 38073 38115 39886 40293 41503 41580 42735 43218 43956 44770 45276 45738 46305 46620 48020 48510 48951 50421 50764 50820 51282 52822 53361 53724 54390 54945 56595 56980 58212 59290 59829 61740 62678 63455 64827 65268 65340 67155 67228 67914 69930 71148 72030 72765 73260 75460 76146 76230 76923 79233 79772 80586 81585 83006 84035 85470 86436 88837 88935 89540 91476 92610 94017 97020 97902 99715 100842 101871 102564 105644 106722 108045 108780 109890 113190 114219 114345 117649 118580 119658 120879 124509 125356 126910 128205 129654 132055 134310 135828 139601 139860 144060 145530 151263 152292 152460 153846 156695 158466 160083 161172 163170 166012 168070 169785 170940 177674 177870 179487 184877 185220 188034 190365 195804 199430 201465 201684 203742 207515 213444 216090 219373 219780 226380 228438 228690 235298 237699 239316 241758 244755 249018 252105 253820 256410 259308 264110 266511 266805 268620 279202 282051 290521 291060 299145 302526 307692 313390 316932 320166 324135 326340 336140 339570 342657 352947 355348 355740 358974 369754 373527 376068 380730 384615 396165 398860 402930 407484 415030 418803 432180 438746 444185 453789 456876 457380 470085 470596 475398 483516 489510 498036 504210 509355 512820 528220 533022 533610 538461 554631 558404 564102 571095 581042 588245 598290 604395 605052 621859 622545 626780 640332 648270 658119 679140 685314 698005 705894 713097 717948 739508 747054 756315 761460 769230 792330 799533 800415 805860 823543 830060 837606 846153 871563 877492 888370 897435 907578 924385 940170 950796 977207 979020 1008420 1018710 1058841 1066044 1067220 1076922 1096865 1109262 1120581 1128204 1142190 1162084 1176490 1188495 1196580 1208790 1243718 1245090 1256409 1294139 1296540 1316238 1332555 1370628 1396010 1410255 1411788 1426194 1452605 1494108 1512630 1535611 1538460 1584660 1599066 1600830 1647086 1663893 1675212 1692306 1713285 1743126 1764735 1776740 1794870 1815156 1848770 1865577 1867635 1880340 1954414 1974357 2033647 2037420 2094015 2117682 2153844 2193730 2218524 2241162 2268945 2284380 2352980 2376990 2398599 2417580 2470629 2487436 2490180 2512818 2588278 2614689 2632476 2665110 2692305 2773155 2792020 2820510 2852388 2905210 2931621 3025260 3071222 3109295 3176523 3198132 3201660 3290595 3294172 3327786 3384612 3426570 3486252 3529470 3565485 3589740 3697540 3731154 3735270 3769227 3882417 3908828 3948714 3997665 4067294 4117715 4188030 4230765 4235364 4353013 4357815 4387460 4482324 4537890 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698835060 718247145 738768492 752449390 768718566 783542340 815307570 822719457 829229940 854131740 861896574 896838327 902939268 914132730 923460615 957662860 967434930 978369084 996487030 1005546003 1053429146 1096959276 1098169380 1128674085 1160921916 1175313510 1195784436 1222961355 1231280820 1281197610 1292844861 1340728004 1354408902 1371199095 1436494290 1451152395 1494730545 1504898780 1537437132 1580143719 1630615140 1645438914 1675910005 1723793148 1793676654 1828265460 1846921230 1921796415 1934869860 1992974060 2011092006 2031613353 2106858292 2154741435 2257348170 2350627020 2445922710 2562395220 2585689722 2633572865 2690514981 2708817804 2742398190 2872988580 2902304790 2989461090 3016638009 3160287438 3290877828 3351820010 3386022255 3587353308 3687002011 3693842460 3843592830 4022184012 4063226706 4113597285 4309482870 4484191635 4514696340 4740431157 4891845420 5027730015 5171379444 5267145730 5381029962 5484796380 5804609580 5978922180 6033276018 6320574876 6464224305 6703640020 6772044510 7374004022 7687185660 7900718595 8126453412 8227194570 8618965740 8968383270 9049914027 9480862314 10055460030 10158066765 10534291460 10762059924 11061006033 12066552036 12928448610 13452574905 13544089020 14221293471 14748008044 15083190045 15801437190 16454389140 17936766540 18099828054 18435010055 18961724628 20110920060 20316133530 22122012066 23702155785 25856897220 26905149810 28442586942 30166380090 31602874380 33183018099 36199656108 36870020110 40632267060 44244024132 45249570135 47404311570 53810299620 55305030165 56885173884 60332760180 66366036198 71106467355 73740040220 90499140270 94808623140 99549054297 110610060330 132732072396 142212934710 165915090495 180998280540 199098108594 221220120660 284425869420 331830180990 398196217188 497745271485 663660361980 995490542970 1990981085940
• Sum of all divisors σ(n): 8157883776000
• Sum of proper divisors (its aliquot sum) s(n): 6166902690060
• 1990981085940 is an abundant number, because the sum of its proper divisors (6166902690060) is greater than itself. Its abundance is 4175921604120

Bases of 1990981085940

• Binary: 11100111110001111101110000110101011110100₂
• Hexadecimal: 0x1CF8FB86AF4
• Base-36: PEN6QDX0

Squares and roots of 1990981085940

• 1990981085940 squared (1990981085940²) is 3964005684570821665683600
• 1990981085940 cubed (1990981085940³) is 7892260342539147622780813560448584000
• The square root of 1990981085940 is 1411021.2918095885
• The cube root of 1990981085940 is 12580.2434271299

Scales and comparisons

• 1,990,981,085,940 seconds is equal to 63,307 years, 2 weeks, 13 hours, 39 minutes.
• To count from 1 to 1,990,981,085,940 would take you about one hundred fifty-eight thousand, two hundred sixty-seven 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 1990981085940 cubic inches would be around 1048.4 feet tall.

Recreational maths with 1990981085940

• 1990981085940 backwards is 0495801890991
• 1990981085940 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1990981085940's digits is 63
• More coming soon!