13215830940

Names of 13215830940

• Cardinal: 13215830940 can be written as Thirteen billion, two hundred fifteen million, eight hundred thirty thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.321583094 × 10¹⁰

Factors of 13215830940

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 191

Divisors of 13215830940

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 17 18 20 26 27 30 34 36 37 39 41 45 51 52 54 60 65 68 73 74 78 82 85 90 102 108 111 117 123 130 135 146 148 153 156 164 170 180 185 195 204 205 219 221 222 234 246 255 260 270 292 306 333 340 351 365 369 370 390 410 438 442 444 459 468 481 492 510 533 540 555 585 612 615 629 657 663 666 697 702 730 738 740 765 780 820 876 884 918 949 962 999 1020 1066 1095 1105 1107 1110 1170 1230 1241 1258 1314 1326 1332 1394 1404 1443 1460 1476 1517 1530 1599 1665 1755 1836 1845 1887 1898 1924 1971 1989 1998 2091 2132 2190 2210 2214 2220 2295 2340 2405 2460 2482 2516 2628 2652 2665 2701 2788 2847 2886 2993 3034 3060 3145 3198 3285 3315 3330 3485 3510 3690 3723 3774 3796 3942 3978 3996 4182 4329 4380 4420 4428 4551 4590 4745 4797 4810 4964 4995 5330 5402 5535 5661 5694 5772 5967 5986 6068 6205 6273 6290 6396 6570 6630 6660 6970 7020 7215 7380 7446 7548 7585 7884 7956 7995 8103 8177 8364 8541 8658 8979 9061 9102 9180 9435 9490 9594 9620 9855 9945 9990 10455 10660 10804 11070 11169 11322 11388 11934 11972 12410 12546 12580 12987 13140 13260 13505 13653 13940 14235 14391 14430 14892 14965 15170 15990 16133 16206 16354 16983 17082 17316 17958 18122 18204 18615 18819 18870 18980 19188 19710 19721 19890 19980 20910 21645 22140 22338 22644 22755 23868 23985 24309 24531 24820 25092 25623 25789 25974 26937 27010 27183 27306 28305 28470 28782 28860 29835 29930 30340 31365 31980 32266 32412 32708 33507 33966 34164 35113 35916 36244 37230 37638 37740 38909 39420 39442 39780 40515 40885 40959 41820 42705 43290 44676 44895 45305 45510 45917 47970 48399 48618 49062 50881 51246 51578 51948 53874 54020 54366 54612 55845 56610 56940 57564 59163 59670 59860 62730 64532 64935 67014 67932 68265 70226 71955 72927 73593 74460 75276 77367 77818 78884 80665 80811 81030 81549 81770 81918 84915 85410 86580 89790 90610 91020 91834 94095 95940 96798 97236 98124 98605 101762 102492 103156 105339 107748 108732 110741 111690 113220 116727 118326 119340 121545 122655 125460 128115 128945 129870 134028 134685 135915 136530 137751 140452 143910 145197 145854 147186 152643 154734 155636 161330 161622 162060 163098 163540 163836 167535 169830 170820 175565 177489 179580 181220 183668 188190 193596 194545 197210 203524 204795 210678 220779 221482 223380 229585 232101 233454 236652 241995 243090 244647 245310 254405 256230 257890 259740 269370 271830 273060 275502 287820 290394 291708 294372 295815 305286 309468 316017 322660 323244 326196 332223 335070 335257 339660 350181 351130 354978 364635 367965 376380 386835 389090 394420 404055 407745 409590 413253 421356 435591 441558 442964 457929 459170 464202 466908 483990 486180 489294 490620 508810 512460 515780 526695 532467 538740 543660 551004 553705 580788 583635 591630 596921 610572 632034 661453 664446 670140 670514 688755 696303 700362 702260 709956 725985 729270 735930 763215 773670 778180 808110 815490 819180 826506 871182 883116 887445 915858 918340 928404 948051 967980 978588 996669 1005771 1017620 1050543 1053390 1064934 1103895 1107410 1160505 1167270 1183260 1193842 1223235 1239759 1264068 1322906 1328892 1341028 1373787 1377510 1392606 1400724 1439633 1451970 1458540 1471860 1526430 1547340 1580085 1616220 1630980 1653012 1661115 1676285 1742364 1750905 1774890 1790763 1831716 1882597 1896102 1984359 1993338 2011542 2066265 2101086 2106780 2129868 2177955 2207790 2214820 2289645 2321010 2334540 2387684 2446470 2479518 2645812 2662335 2747574 2755020 2785212 2879266 2903940 2984605 2990007 3017313 3052860 3160170 3307265 3322230 3352570 3481515 3501810 3549780 3581526 3765194 3792204 3968718 3986676 4023084 4132530 4202172 4318899 4355910 4415580 4579290 4642020 4740255 4892940 4959036 4983345 5028855 5252715 5324670 5372289 5495148 5647791 5758532 5953077 5969210 5980014 6034626 6198795 6320340 6614530 6644460 6705140 6868935 6963030 7003620 7163052 7198165 7530388 7937436 8265060 8637798 8711820 8953815 9051939 9158580 9412985 9480510 9921795 9966690 10057710 10505430 10649340 10744578 11295582 11906154 11938420 11960028 12069252 12397590 12956697 13229060 13737870 13926060 14396330 14950035 15086565 16116867 16943373 17275596 17859231 17907630 18103878 18825970 18961020 19843590 19933380 20115420 21010860 21489156 21594495 22591164 23812308 24473761 24795180 25913394 26861445 27475740 28238955 28792660 29765385 29900070 30173130 32233734 33886746 35718462 35815260 36207756 37651940 38870091 39687180 43188990 45259695 48947522 50830119 51826788 53722890 56477910 59530770 59800140 60346260 64467468 64783485 67773492 71436924 73421283 77740182 80584335 84716865 86377980 89296155 90519390 97895044 101660238 107445780 112955820 119061540 122368805 129566970 146842566 155480364 161168670 169433730 178592310 181038780 194350455 203320476 220263849 244737610 254150595 259133940 293685132 322337340 338867460 357184620 367106415 388700910 440527698 489475220 508301190 660791547 734212830 777401820 881055396 1016602380 1101319245 1321583094 1468425660 2202638490 2643166188 3303957735 4405276980 6607915470 13215830940
• Sum of all divisors σ(n): 50000509440
• Sum of proper divisors (its aliquot sum) s(n): 36784678500
• 13215830940 is an abundant number, because the sum of its proper divisors (36784678500) is greater than itself. Its abundance is 23568847560

Bases of 13215830940

• Binary: 1100010011101110011001001110011100₂
• Hexadecimal: 0x313B9939C
• Base-36: 62KD4F0

Squares and roots of 13215830940

• 13215830940 squared (13215830940²) is 174658187434661283600
• 13215830940 cubed (13215830940³) is 2308253077423315820220994584000
• The square root of 13215830940 is 114960.1276095327
• The cube root of 13215830940 is 2364.2759153849

Scales and comparisons

• 13,215,830,940 seconds is equal to 420 years, 11 weeks, 4 days, 9 minutes.
• To count from 1 to 13,215,830,940 would take you about eight hundred forty 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 13215830940 cubic inches would be around 197 feet tall.

Recreational maths with 13215830940

• 13215830940 backwards is 04903851231
• 13215830940 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13215830940's digits is 36
• More coming soon!