21168826309440

Names of 21168826309440

• Cardinal: 21168826309440 can be written as Twenty-one trillion, one hundred sixty-eight billion, eight hundred twenty-six million, three hundred nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.116882630944 × 10¹³

Factors of 21168826309440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 34835704

Divisors of 21168826309440

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 144 160 180 192 211 240 288 320 360 422 480 576 633 720 844 960 1055 1266 1440 1688 1899 2110 2532 2880 3165 3376 3798 4220 5064 6330 6752 7596 8440 9495 10128 12660 13504 15192 16880 18990 20256 25320 30384 33760 37980 40512 50640 60768 67520 75960 101280 121536 151920 202560 303840 607680 34835483 69670966 104506449 139341932 174177415 209012898 278683864 313519347 348354830 418025796 522532245 557367728 627038694 696709660 836051592 1045064490 1114735456 1254077388 1393419320 1567596735 1672103184 2090128980 2229470912 2508154776 2786838640 3135193470 3344206368 4180257960 5016309552 5573677280 6270386940 6688412736 7350286913 8360515920 10032619104 11147354560 12540773880 14700573826 16721031840 20065238208 22050860739 25081547760 29401147652 33442063680 36751434565 44101721478 50163095520 58802295304 66152582217 73502869130 88203442956 100326191040 110254303695 117604590608 132305164434 147005738260 176406885912 220508607390 235209181216 264610328868 294011476520 330762911085 352813771824 441017214780 470418362432 529220657736 588022953040 661525822170 705627543648 882034429560 1058441315472 1176045906080 1323051644340 1411255087296 1764068859120 2116882630944 2352091812160 2646103288680 3528137718240 4233765261888 5292206577360 7056275436480 10584413154720 21168826309440
• Sum of all divisors σ(n): 73157024554848
• Sum of proper divisors (its aliquot sum) s(n): 51988198245408
• 21168826309440 is an abundant number, because the sum of its proper divisors (51988198245408) is greater than itself. Its abundance is 30819371935968

Bases of 21168826309440

• Binary: 100110100000011000000010111110101101101000000₂
• Hexadecimal: 0x1340C05F5B40
• Base-36: 7I4TOMDS0

Squares and roots of 21168826309440

• 21168826309440 squared (21168826309440²) is 448119207319239130633113600
• 21168826309440 cubed (21168826309440³) is 9486157665664907121629008219744272384000
• The square root of 21168826309440 is 4600959.2814368615
• The cube root of 21168826309440 is 27662.9776916421

Scales and comparisons

• 21,168,826,309,440 seconds is equal to 673,103 years, 10 weeks, 1 day, 18 hours, 24 minutes.
• To count from 1 to 21,168,826,309,440 would take you about one million, six hundred eighty-two thousand, seven hundred fifty-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 21168826309440 cubic inches would be around 2305.2 feet tall.

Recreational maths with 21168826309440

• 21168826309440 backwards is 04490362886112
• The number of decimal digits it has is: 14
• The sum of 21168826309440's digits is 54
• More coming soon!