15813608940

Names of 15813608940

• Cardinal: 15813608940 can be written as Fifteen billion, eight hundred thirteen million, six hundred eight thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.581360894 × 10¹⁰

Factors of 15813608940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 165

Divisors of 15813608940

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 29 30 36 45 53 54 58 60 73 81 87 90 106 108 116 135 145 146 159 162 174 180 212 219 243 261 265 270 290 292 318 324 348 365 405 435 438 477 486 522 530 540 580 636 657 730 783 795 810 841 870 876 954 972 1044 1060 1095 1215 1305 1314 1431 1460 1537 1566 1590 1620 1682 1740 1908 1971 2117 2190 2349 2385 2430 2523 2610 2628 2862 3074 3132 3180 3285 3364 3869 3915 3942 4205 4234 4293 4380 4611 4698 4770 4860 5046 5220 5724 5913 6148 6351 6570 7047 7155 7569 7685 7738 7830 7884 8410 8468 8586 9222 9396 9540 9855 10092 10585 11607 11745 11826 12615 12702 12879 13140 13833 14094 14310 15138 15370 15476 15660 16820 17172 17739 18444 19053 19345 19710 21170 21465 22707 23055 23214 23490 23652 25230 25404 25758 27666 28188 28620 29565 30276 30740 31755 34821 35235 35478 37845 38106 38690 39420 41499 42340 42930 44573 45414 46110 46428 46980 50460 51516 55332 57159 58035 59130 61393 63510 64395 68121 69165 69642 70470 70956 75690 76212 77380 82998 85860 88695 89146 90828 92220 95265 104463 112201 113535 114318 116070 118260 122786 124497 127020 128790 133719 136242 138330 139284 140940 151380 165996 171477 174105 177390 178292 184179 190530 204363 207495 208926 222865 224402 227070 228636 232140 245572 248994 257580 267438 272484 276660 285795 306965 313389 336603 340605 342954 348210 354780 368358 373491 381060 401157 408726 414990 417852 445730 448804 454140 497988 514431 522315 534876 552537 561005 571590 613930 622485 626778 668595 673206 681210 685908 696420 736716 746982 802314 817452 829980 857385 891460 920895 940167 1009809 1021815 1028862 1044630 1105074 1122010 1143180 1203471 1227860 1244970 1253556 1337190 1346412 1362420 1493964 1566945 1604628 1657611 1683015 1714770 1841790 1867455 1880334 2005785 2019618 2043630 2057724 2089260 2210148 2244020 2406942 2489940 2572155 2674380 2762685 3029427 3133890 3253829 3315222 3366030 3429540 3610413 3683580 3734910 3760668 4011570 4039236 4087260 4700835 4813884 4972833 5049045 5144310 5525370 6017355 6058854 6267780 6507658 6630444 6732060 7220826 7469820 8023140 8288055 9088281 9401670 9761487 9945666 10098090 10288620 10831239 11050740 12034710 12117708 13015316 14441652 14918499 15147135 16269145 16576110 18052065 18176562 18803340 19522974 19891332 20196180 21662478 24069420 24864165 27264843 29284461 29836998 30294270 32538290 33152220 36104130 36353124 39045948 43324956 45441405 48807435 49728330 54156195 54529686 58568922 59673996 60588540 65076580 72208260 74592495 87853383 90882810 97614870 99456660 108312390 109059372 117137844 136324215 146422305 149184990 175706766 181765620 195229740 216624780 263560149 272648430 292844610 298369980 351413532 439266915 527120298 545296860 585689220 790680447 878533830 1054240596 1317800745 1581360894 1757067660 2635601490 3162721788 3953402235 5271202980 7906804470 15813608940
• Sum of all divisors σ(n): 53210128608
• Sum of proper divisors (its aliquot sum) s(n): 37396519668
• 15813608940 is an abundant number, because the sum of its proper divisors (37396519668) is greater than itself. Its abundance is 21582910728

Bases of 15813608940

• Binary: 1110101110100100001000010111101100₂
• Hexadecimal: 0x3AE9085EC
• Base-36: 79J0IR0

Squares and roots of 15813608940

• 15813608940 squared (15813608940²) is 250070227707247923600
• 15813608940 cubed (15813608940³) is 3954512788499171467437396984000
• The square root of 15813608940 is 125752.1727048881
• The cube root of 15813608940 is 2510.0189381809

Scales and comparisons

• 15,813,608,940 seconds is equal to 502 years, 42 weeks, 5 days, 21 hours, 9 minutes.
• To count from 1 to 15,813,608,940 would take you about one thousand and five 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 15813608940 cubic inches would be around 209.2 feet tall.

Recreational maths with 15813608940

• 15813608940 backwards is 04980631851
• 15813608940 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 15813608940's digits is 45
• More coming soon!