21157316250
21,157,316,250 is an even composite number composed of seven prime numbers multiplied together.
21157316250 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21157316250:
2 × 3 × 54 × 7 × 61 × 73 × 181
(2 × 3 × 5 × 5 × 5 × 5 × 7 × 61 × 73 × 181)See below for interesting mathematical facts about the number 21157316250 from the Numbermatics database.
Names of 21157316250
- Cardinal: 21157316250 can be written as Twenty-one billion, one hundred fifty-seven million, three hundred sixteen thousand, two hundred fifty.
Scientific notation
- Scientific notation: 2.115731625 × 1010
Factors of 21157316250
Divisors of 21157316250
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 5 6 7 10 14 15 21 25 30 35 42 50 61 70 73 75 105 122 125 146 150 175 181 183 210 219 250 305 350 362 365 366 375 427 438 511 525 543 610 625 730 750 854 875 905 915 1022 1050 1086 1095 1250 1267 1281 1525 1533 1750 1810 1825 1830 1875 2135 2190 2534 2555 2562 2625 2715 3050 3066 3650 3750 3801 4270 4375 4453 4525 4575 5110 5250 5430 5475 6335 6405 7602 7625 7665 8750 8906 9050 9125 9150 10675 10950 11041 12670 12775 12810 13125 13213 13359 13575 15250 15330 18250 19005 21350 22082 22265 22625 22875 25550 26250 26426 26718 27150 27375 31171 31675 32025 33123 38010 38125 38325 39639 44530 45250 45625 45750 53375 54750 55205 62342 63350 63875 64050 66065 66246 66795 67875 76250 76650 77287 79278 91250 92491 93513 95025 106750 110410 111325 113125 114375 127750 132130 133590 135750 136875 154574 155855 158375 160125 165615 184982 187026 190050 191625 198195 222650 226250 228750 231861 266875 273750 276025 277473 311710 316750 319375 320250 330325 331230 333975 339375 383250 386435 396390 462455 463722 467565 475125 533750 552050 554946 556625 638750 660650 667950 678750 772870 779275 791875 800625 805993 828075 924910 935130 950250 958125 990975 1113250 1159305 1380125 1387365 1558550 1583750 1601250 1611986 1651625 1656150 1669875 1916250 1932175 1981950 2312275 2318610 2337825 2375625 2417979 2760250 2774730 2783125 3303250 3339750 3864350 3896375 4029965 4140375 4624550 4675650 4751250 4835958 4954875 5566250 5641951 5796525 6900625 6936825 7792750 8059930 8258125 8280750 8349375 9660875 9909750 11283902 11561375 11593050 11689125 12089895 13801250 13873650 16516250 16698750 16925853 19321750 19481875 20149825 20701875 23122750 23378250 24179790 24774375 28209755 28982625 33851706 34684125 38963750 40299650 41403750 48304375 49548750 56419510 57806875 57965250 58445625 60449475 69368250 84629265 96608750 100749125 115613750 116891250 120898950 141048775 144913125 169258530 173420625 201498250 282097550 289826250 302247375 346841250 423146325 503745625 604494750 705243875 846292650 1007491250 1410487750 1511236875 2115731625 3022473750 3526219375 4231463250 7052438750 10578658125 21157316250
- Sum of all divisors σ(n): 62606159616
- Sum of proper divisors (its aliquot sum) s(n): 41448843366
- 21157316250 is an abundant number, because the sum of its proper divisors (41448843366) is greater than itself. Its abundance is 20291527116
Bases of 21157316250
- Binary: 100111011010001001100000110100110102
- Hexadecimal: 0x4ED13069A
- Base-36: 9PWIPP6
Squares and roots of 21157316250
- 21157316250 squared (211573162502) is 447632030902514062500
- 21157316250 cubed (211573162503) is 9470692441434262940384765625000
-
The
square root of 21157316250 is 145455.5473331973 -
The
cube root of 21157316250 is 2765.7963081349
Scales and comparisons
How big is 21157316250?- 21,157,316,250 seconds is equal to 672 years, 38 weeks, 2 days, 8 hours, 17 minutes, 30 seconds.
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To count from 1 to 21,157,316,250 would take you about one thousand, three hundred forty-five 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 21157316250 cubic inches would be around 230.5 feet tall.
Recreational maths with 21157316250
- 21157316250 backwards is 05261375112
- The number of decimal digits it has is: 11
- The sum of 21157316250's digits is 33
- More coming soon!
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The information we have on file for 21157316250 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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