20001534840

Names of 20001534840

• Cardinal: 20001534840 can be written as Twenty billion, one million, five hundred thirty-four thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.000153484 × 10¹⁰

Factors of 20001534840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1452

Divisors of 20001534840

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 19 20 21 24 28 30 35 36 38 40 42 45 56 57 60 63 70 72 76 84 90 95 105 114 120 126 133 140 152 168 171 180 190 210 228 252 266 280 285 315 342 360 380 399 419 420 456 504 532 570 630 665 684 760 798 838 840 855 997 1064 1140 1197 1257 1260 1330 1368 1596 1676 1710 1994 1995 2095 2280 2394 2514 2520 2660 2933 2991 3192 3352 3420 3771 3988 3990 4190 4788 4985 5028 5320 5866 5982 5985 6285 6840 6979 7542 7961 7976 7980 8380 8799 8973 9576 9970 10056 11732 11964 11970 12570 13958 14665 14955 15084 15922 15960 16760 17598 17946 18855 18943 19940 20937 23464 23883 23928 23940 25140 26397 27916 29330 29910 30168 31844 34895 35196 35892 37710 37886 39805 39880 41874 43995 44865 47766 47880 50280 52794 55727 55832 56829 58660 59820 62811 63688 69790 70392 71649 71784 75420 75772 79610 83748 87990 89730 94715 95532 104685 105588 111454 113658 117320 119415 119640 125622 131985 132601 139580 143298 150840 151544 159220 167181 167496 170487 175980 179460 189430 191064 209370 211176 222908 227316 238830 251244 263970 265202 278635 279160 284145 286596 314055 318440 334362 340974 351960 358245 358920 378860 397803 417743 418740 445816 454632 477660 501543 502488 527940 530404 557270 568290 573192 628110 663005 668724 681948 716490 757720 795606 835486 835905 837480 852435 955320 1003086 1055880 1060808 1114540 1136580 1193409 1253229 1256220 1326010 1337448 1363896 1432980 1591212 1670972 1671810 1704870 1989015 2006172 2088715 2229080 2273160 2386818 2506458 2507715 2512440 2652020 2865960 2924201 3182424 3341944 3343620 3409740 3759687 3978030 4012344 4177430 4773636 5012916 5015430 5304040 5848402 5967045 6266145 6687240 6819480 7519374 7937117 7956060 8354860 8772603 9547272 10025832 10030860 11696804 11934090 12532290 14621005 15038748 15874234 15912120 16709720 17545206 18798435 20061720 23393608 23811351 23868180 25064580 26317809 29242010 30077496 31748468 35090412 37596870 39685585 43863015 47622702 47736360 50129160 52635618 55559819 58484020 63496936 70180824 71434053 75193740 79371170 87726030 95245404 105271236 111119638 116968040 119056755 131589045 142868106 150387480 158742340 166679457 175452060 190490808 210542472 222239276 238113510 263178090 277799095 285736212 317484680 333358914 350904120 357170265 444478552 476227020 500038371 526356180 555598190 571472424 666717828 714340530 833397285 952454040 1000076742 1052712360 1111196380 1333435656 1428681060 1666794570 2000153484 2222392760 2500191855 2857362120 3333589140 4000306968 5000383710 6667178280 10000767420 20001534840
• Sum of all divisors σ(n): 78466752000
• Sum of proper divisors (its aliquot sum) s(n): 58465217160
• 20001534840 is an abundant number, because the sum of its proper divisors (58465217160) is greater than itself. Its abundance is 38463682320

Bases of 20001534840

• Binary: 10010101000001011110011001101111000₂
• Hexadecimal: 0x4A82F3378
• Base-36: 96SEB20

Squares and roots of 20001534840

• 20001534840 squared (20001534840²) is 400061395955733825600
• 20001534840 cubed (20001534840³) is 8001841949347645210504883904000
• The square root of 20001534840 is 141426.7826120639
• The cube root of 20001534840 is 2714.4870514311

Scales and comparisons

• 20,001,534,840 seconds is equal to 635 years, 51 weeks, 2 days, 5 hours, 54 minutes.
• To count from 1 to 20,001,534,840 would take you about one thousand, two hundred seventy-one 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 20001534840 cubic inches would be around 226.2 feet tall.

Recreational maths with 20001534840

• 20001534840 backwards is 04843510002
• The number of decimal digits it has is: 11
• The sum of 20001534840's digits is 27
• More coming soon!