12812037420

Names of 12812037420

• Cardinal: 12812037420 can be written as Twelve billion, eight hundred twelve million, thirty-seven thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.281203742 × 10¹⁰

Factors of 12812037420

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1567

Divisors of 12812037420

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 13 14 15 17 20 21 26 28 30 34 35 39 42 51 52 60 65 68 70 78 84 85 91 97 102 105 119 130 140 156 170 182 194 195 204 210 221 238 255 260 273 291 340 357 364 388 390 420 442 455 476 485 510 546 582 595 663 679 714 780 884 910 970 1020 1092 1105 1164 1190 1261 1326 1358 1365 1423 1428 1455 1547 1649 1785 1820 1940 2037 2210 2380 2522 2652 2716 2730 2846 2910 3094 3298 3315 3395 3570 3783 4074 4269 4420 4641 4947 5044 5460 5692 5820 6188 6305 6596 6630 6790 7115 7140 7566 7735 8148 8245 8538 8827 9282 9894 9961 10185 11543 12610 13260 13580 14230 15132 15470 16490 17076 17654 18499 18564 18915 19788 19922 20370 21345 21437 23086 23205 24191 24735 25220 26481 28460 29883 30940 32980 34629 35308 36998 37830 39844 40740 42690 42874 44135 46172 46410 48382 49470 49805 52962 55497 57715 59766 64311 69258 72573 73996 75660 85380 85748 88270 92495 92820 96764 98940 99610 105924 107185 110994 115430 119532 120955 128622 129493 132405 138031 138516 145146 149415 150059 169337 173145 176540 184990 199220 214370 221988 230860 241910 257244 258986 264810 276062 277485 290292 298830 300118 314483 321555 338674 346290 362865 369980 388479 414093 428740 450177 483820 508011 517972 529620 552124 554970 597660 600236 628966 643110 647465 677348 690155 692580 725730 750295 776958 828186 846685 900354 943449 966217 1016022 1109940 1257932 1286220 1294930 1380310 1451460 1500590 1553916 1572415 1656372 1693370 1794403 1800708 1886898 1932434 1942395 2032044 2070465 2201381 2250885 2346527 2540055 2589860 2760620 2898651 3001180 3144830 3386740 3588806 3773796 3864868 3884790 4140930 4402762 4501770 4693054 4717245 4831085 5080110 5383209 5797302 6289660 6604143 7039581 7177612 7769580 8281860 8805524 8972015 9003540 9386108 9434490 9662170 10160220 10766418 11006905 11594604 11732635 12560821 13208286 14079162 14493255 16425689 17944030 18868980 19324340 21532836 22013810 23465270 25121642 26416572 26916045 28158324 28986510 30504851 32851378 33020715 35197905 35888060 37682463 44027620 46930540 49277067 50243284 53832090 57973020 61009702 62804105 65702756 66041430 70395810 75364926 82128445 91514553 98554134 107664180 122019404 125608210 132082860 140791620 150729852 152524255 164256890 183029106 188412315 197108268 213533957 246385335 251216420 305048510 328513780 366058212 376824630 427067914 457572765 492770670 610097020 640601871 753649260 854135828 915145530 985541340 1067669785 1281203742 1830291060 2135339570 2562407484 3203009355 4270679140 6406018710 12812037420
• Sum of all divisors σ(n): 47264587776
• Sum of proper divisors (its aliquot sum) s(n): 34452550356
• 12812037420 is an abundant number, because the sum of its proper divisors (34452550356) is greater than itself. Its abundance is 21640512936

Bases of 12812037420

• Binary: 1011111011101010000010110100101100₂
• Hexadecimal: 0x2FBA82D2C
• Base-36: 5VVYFCC

Squares and roots of 12812037420

• 12812037420 squared (12812037420²) is 164148302851480256400
• 12812037420 cubed (12812037420³) is 2103074198562657747387994488000
• The square root of 12812037420 is 113190.2708716609
• The cube root of 12812037420 is 2339.9472447745

Scales and comparisons

• 12,812,037,420 seconds is equal to 407 years, 19 weeks, 6 days, 11 hours, 17 minutes.
• To count from 1 to 12,812,037,420 would take you about eight hundred fourteen 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 12812037420 cubic inches would be around 195 feet tall.

Recreational maths with 12812037420

• 12812037420 backwards is 02473021821
• 12812037420 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12812037420's digits is 30
• More coming soon!