20972698890
20,972,698,890 is an even composite number composed of seven prime numbers multiplied together.
20972698890 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 20972698890:
2 × 3 × 5 × 112 × 132 × 17 × 2011
(2 × 3 × 5 × 11 × 11 × 13 × 13 × 17 × 2011)See below for interesting mathematical facts about the number 20972698890 from the Numbermatics database.
Names of 20972698890
- Cardinal: 20972698890 can be written as Twenty billion, nine hundred seventy-two million, six hundred ninety-eight thousand, eight hundred ninety.
Scientific notation
- Scientific notation: 2.097269889 × 1010
Factors of 20972698890
Divisors of 20972698890
- Number of divisors d(n): 288
-
Complete list of divisors:
1 2 3 5 6 10 11 13 15 17 22 26 30 33 34 39 51 55 65 66 78 85 102 110 121 130 143 165 169 170 187 195 221 242 255 286 330 338 363 374 390 429 442 507 510 561 605 663 715 726 845 858 935 1014 1105 1122 1210 1326 1430 1573 1690 1815 1859 1870 2011 2057 2145 2210 2431 2535 2805 2873 3146 3315 3630 3718 4022 4114 4290 4719 4862 5070 5577 5610 5746 6033 6171 6630 7293 7865 8619 9295 9438 10055 10285 11154 12066 12155 12342 14365 14586 15730 17238 18590 20110 20449 20570 22121 23595 24310 26143 26741 27885 28730 30165 30855 31603 34187 36465 40898 43095 44242 47190 52286 53482 55770 60330 61347 61710 63206 66363 68374 72930 78429 80223 86190 94809 102245 102561 110605 122694 130715 132726 133705 156858 158015 160446 170935 189618 204490 205122 221210 243331 261430 267410 287573 306735 316030 331815 339859 341870 347633 376057 392145 401115 444431 474045 486662 512805 575146 613470 663630 679718 695266 729993 752114 784290 802230 862719 888862 948090 1019577 1025610 1042899 1128171 1216655 1333293 1437865 1459986 1699295 1725438 1738165 1880285 2039154 2085798 2222155 2256342 2433310 2666586 2875730 3163303 3398590 3476330 3649965 3738449 3760570 4136627 4313595 4444310 4888741 5097885 5214495 5640855 5777603 6326606 6666465 7299930 7476898 8273254 8627190 9489909 9777482 10195770 10428990 11215347 11281710 11555206 12409881 13332930 14666223 15816515 17332809 18692245 18979818 20683135 22430694 24443705 24819762 28888015 29332446 31633030 34665618 37384490 41122939 41366270 47449545 48887410 53776151 56076735 57776030 62049405 63553633 73331115 82245878 86664045 94899090 107552302 112153470 123368817 124098810 127107266 146662230 161328453 173328090 190660899 205614695 246737634 268880755 317768165 322656906 381321798 411229390 537761510 616844085 635536330 699089963 806642265 953304495 1233688170 1398179926 1613284530 1906608990 2097269889 3495449815 4194539778 6990899630 10486349445 20972698890
- Sum of all divisors σ(n): 63465208128
- Sum of proper divisors (its aliquot sum) s(n): 42492509238
- 20972698890 is an abundant number, because the sum of its proper divisors (42492509238) is greater than itself. Its abundance is 21519810348
Bases of 20972698890
- Binary: 100111000100001000111111101000010102
- Hexadecimal: 0x4E211FD0A
- Base-36: 9MULQ16
Squares and roots of 20972698890
- 20972698890 squared (209726988902) is 439854098730607232100
- 20972698890 cubed (209726988903) is 9224927568209356705689642369000
-
The
square root of 20972698890 is 144819.5390477405 -
The
cube root of 20972698890 is 2757.7280754805
Scales and comparisons
How big is 20972698890?- 20,972,698,890 seconds is equal to 666 years, 45 weeks, 13 hours, 41 minutes, 30 seconds.
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To count from 1 to 20,972,698,890 would take you about one thousand, three hundred thirty-three 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 20972698890 cubic inches would be around 229.8 feet tall.
Recreational maths with 20972698890
- 20972698890 backwards is 09889627902
- The number of decimal digits it has is: 11
- The sum of 20972698890's digits is 60
- More coming soon!
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