90021786972
90,021,786,972 is an even composite number composed of seven prime numbers multiplied together.
90021786972 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 90021786972:
22 × 3 × 13 × 19 × 31 × 73 × 13421
(2 × 2 × 3 × 13 × 19 × 31 × 73 × 13421)See below for interesting mathematical facts about the number 90021786972 from the Numbermatics database.
Names of 90021786972
- Cardinal: 90021786972 can be written as Ninety billion, twenty-one million, seven hundred eighty-six thousand, nine hundred seventy-two.
Scientific notation
- Scientific notation: 9.0021786972 × 1010
Factors of 90021786972
Divisors of 90021786972
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 6 12 13 19 26 31 38 39 52 57 62 73 76 78 93 114 124 146 156 186 219 228 247 292 372 403 438 494 589 741 806 876 949 988 1178 1209 1387 1482 1612 1767 1898 2263 2356 2418 2774 2847 2964 3534 3796 4161 4526 4836 5548 5694 6789 7068 7657 8322 9052 11388 13421 13578 15314 16644 18031 22971 26842 27156 29419 30628 36062 40263 42997 45942 53684 54093 58838 72124 80526 85994 88257 91884 108186 117676 128991 161052 171988 174473 176514 216372 254999 257982 348946 353028 416051 509998 515964 523419 558961 697892 764997 832102 979733 1019996 1046838 1117922 1248153 1529994 1664204 1676883 1959466 2093676 2235844 2496306 2939199 3059988 3314987 3353766 3918932 4992612 5408663 5878398 6629974 6707532 7904969 9944961 10817326 11756796 12736529 13259948 15809938 16225989 18614927 19889922 21634652 23714907 25473058 30371723 31619876 32451978 37229854 38209587 39779844 47429814 50946116 55844781 60743446 64903956 74459708 76419174 91115169 94859628 102764597 111689562 121486892 152838348 182230338 205529194 223379124 241994051 308293791 364460676 394832399 411058388 483988102 577062737 616587582 725982153 789664798 967976204 1154125474 1184497197 1233175164 1451964306 1579329596 1731188211 2308250948 2368994394 2903928612 3462376422 4737988788 6924752844 7501815581 15003631162 22505446743 30007262324 45010893486 90021786972
- Sum of all divisors σ(n): 249181040640
- Sum of proper divisors (its aliquot sum) s(n): 159159253668
- 90021786972 is an abundant number, because the sum of its proper divisors (159159253668) is greater than itself. Its abundance is 69137466696
Bases of 90021786972
- Binary: 10100111101011011011101110101010111002
- Hexadecimal: 0x14F5B7755C
- Base-36: 15CSNBDO
Squares and roots of 90021786972
- 90021786972 squared (900217869722) is 8103922129632148928784
- 90021786972 cubed (900217869723) is 729529551591421879589571247002048
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The
square root of 90021786972 is 300036.3094227097 -
The
cube root of 90021786972 is 4481.7663330841
Scales and comparisons
How big is 90021786972?- 90,021,786,972 seconds is equal to 2,862 years, 21 weeks, 3 days, 19 hours, 56 minutes, 12 seconds.
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To count from 1 to 90,021,786,972 would take you about five thousand, seven hundred twenty-four 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 90021786972 cubic inches would be around 373.5 feet tall.
Recreational maths with 90021786972
- 90021786972 backwards is 27968712009
- The number of decimal digits it has is: 11
- The sum of 90021786972's digits is 51
- More coming soon!
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