131728031820

Names of 131728031820

• Cardinal: 131728031820 can be written as One hundred thirty-one billion, seven hundred twenty-eight million, thirty-one thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.3172803182 × 10¹¹

Factors of 131728031820

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 257

Divisors of 131728031820

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 11 12 14 15 18 20 21 22 28 30 33 35 36 42 44 45 49 55 60 63 66 70 77 84 90 98 99 105 110 121 126 132 140 147 154 165 180 196 198 210 220 229 231 242 245 252 294 308 315 330 343 363 385 396 420 441 458 462 484 490 495 539 588 605 630 660 686 687 693 726 735 770 847 882 916 924 980 990 1029 1078 1089 1145 1155 1210 1260 1331 1372 1374 1386 1452 1470 1540 1603 1617 1694 1715 1764 1815 1980 2058 2061 2156 2178 2205 2290 2310 2401 2420 2519 2541 2662 2695 2748 2772 2940 3087 3206 3234 3388 3430 3435 3465 3630 3773 3993 4116 4122 4235 4356 4410 4580 4620 4802 4809 4851 5038 5082 5145 5324 5390 5445 5929 6174 6412 6468 6655 6860 6870 6930 7203 7260 7546 7557 7623 7986 8015 8085 8244 8470 8820 9317 9604 9618 9702 10076 10164 10290 10305 10780 10890 11221 11319 11858 11979 12005 12348 12595 12705 13310 13740 13860 14406 14427 15092 15114 15246 15435 15972 16030 16170 16940 17633 17787 18634 18865 19236 19404 19965 20580 20610 21609 21780 22442 22638 22671 23716 23958 24010 24045 24255 25190 25410 26411 26620 27709 27951 28812 28854 29645 30228 30492 30870 32060 32340 33663 33957 35266 35574 36015 37268 37730 37785 38115 39930 41220 41503 43218 44884 45276 45342 46585 47916 48020 48090 48510 50380 50820 52822 52899 53361 55418 55902 56105 56595 57708 59290 59895 61740 65219 67326 67914 70532 71148 72030 72135 75460 75570 76230 78547 79233 79860 83006 83127 83853 86436 88165 88935 90684 93170 96180 97020 100989 105644 105798 106722 108045 110836 111804 112210 113190 113355 118580 119790 123431 124509 130438 132055 134652 135828 138545 139755 144060 144270 151140 152460 157094 158466 158697 166012 166254 167706 168315 169785 176330 177870 186340 193963 195657 201978 207515 211596 213444 216090 224420 226380 226710 235641 237699 239580 246862 249018 249381 260876 264110 264495 266805 277090 279510 288540 290521 304799 314188 316932 317394 326095 332508 335412 336630 339570 352660 355740 370293 373527 387926 391314 392735 396165 403956 415030 415635 419265 432180 453420 456533 471282 475398 493724 498036 498762 504945 528220 528990 533610 549829 554180 559020 581042 581889 586971 609598 617155 622545 634788 652190 673260 679140 706923 740586 747054 775852 782628 785470 792330 793485 830060 831270 838530 864017 871563 913066 914397 942564 950796 969815 978285 997524 1009890 1057980 1067220 1099658 1110879 1162084 1163778 1173942 1178205 1188495 1219196 1234310 1245090 1246905 1304380 1357741 1369599 1413846 1452605 1481172 1494108 1523995 1570940 1584660 1586970 1649487 1662540 1677060 1728034 1743126 1745667 1826132 1828794 1851465 1867635 1939630 1956570 2019780 2133593 2199316 2221758 2282665 2327556 2347884 2356410 2376990 2468620 2490180 2493810 2592051 2614689 2715482 2739198 2743191 2749145 2827692 2905210 2909445 2934855 3047990 3173940 3195731 3298974 3456068 3486252 3491334 3534615 3657588 3702930 3735270 3879260 3913140 4073223 4108797 4267186 4320085 4357815 4443516 4565330 4571985 4712820 4753980 4948461 4987620 5184102 5229378 5430964 5478396 5486382 5498290 5554395 5810420 5818890 5869710 6048119 6095980 6391462 6400779 6597948 6788705 6847995 6982668 7069230 7405860 7470540 7776153 8146446 8217594 8247435 8534372 8640170 8715630 8728335 9130660 9143970 9504187 9587193 9896922 10368204 10458756 10667965 10972764 10996580 11108790 11637780 11739420 12096238 12219669 12782924 12801558 12960255 13073445 13577410 13695990 13715955 14138460 14935151 15552306 15978655 16292892 16435188 16494870 17280340 17431260 17456670 18144357 18287940 19008374 19174386 19202337 19793844 20366115 20543985 21335930 22217580 24192476 24439338 24742305 25603116 25920510 26146890 27154820 27391980 27431910 28512561 28761579 29870302 30240595 31104612 31957310 32003895 32989740 34913340 36288714 38016748 38348772 38404674 38880765 40732230 41087970 42671860 44805453 47520935 47935965 48878676 49484610 51841020 52293780 54433071 54863820 57025122 57523158 59740604 60481190 61098345 63914620 64007790 66529309 72577428 74675755 76809348 77761530 81464460 82175940 85537683 89610906 90721785 95041870 95871930 96011685 98969220 104546057 108866142 114050244 115046316 120962380 122196690 128015580 133058618 134416359 142562805 143807895 149351510 155523060 171075366 179221812 181443570 190083740 191743860 192023370 199587927 209092114 217732284 224027265 244393380 266117236 268832718 272165355 285125610 287615790 298703020 313638171 332646545 342150732 362887140 384046740 399175854 418184228 427688415 448054530 522730285 537665436 544330710 570251220 575231580 598763781 627276342 665293090 672081795 731822399 798351708 855376830 896109060 940914513 997939635 1045460570 1088661420 1197527562 1254552684 1330586180 1344163590 1463644798 1568190855 1710753660 1881829026 1995879270 2090921140 2195467197 2395055124 2688327180 2927289596 2993818905 3136381710 3659111995 3763658052 3991758540 4390934394 4704572565 5987637810 6272763420 6586401591 7318223990 8781868788 9409145130 10977335985 11975275620 13172803182 14636447980 18818290260 21954671970 26345606364 32932007955 43909343940 65864015910 131728031820
• Sum of all divisors σ(n): 514961385120
• Sum of proper divisors (its aliquot sum) s(n): 383233353300
• 131728031820 is an abundant number, because the sum of its proper divisors (383233353300) is greater than itself. Its abundance is 251505321480

Bases of 131728031820

• Binary: 1111010101011100110100100000001001100₂
• Hexadecimal: 0x1EAB9A404C
• Base-36: 1OIJGVV0

Squares and roots of 131728031820

• 131728031820 squared (131728031820²) is 17352274367170932512400
• 131728031820 cubed (131728031820³) is 2285780949988062961372499744568000
• The square root of 131728031820 is 362943.5656131681
• The cube root of 131728031820 is 5088.1440840257

Scales and comparisons

• 131,728,031,820 seconds is equal to 4,188 years, 28 weeks, 1 day, 23 hours, 57 minutes.
• To count from 1 to 131,728,031,820 would take you about eight thousand, three hundred seventy-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 131728031820 cubic inches would be around 424 feet tall.

Recreational maths with 131728031820

• 131728031820 backwards is 028130827131
• 131728031820 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 131728031820's digits is 36
• More coming soon!