21357163750

Names of 21357163750

• Cardinal: 21357163750 can be written as Twenty-one billion, three hundred fifty-seven million, one hundred sixty-three thousand, seven hundred fifty.

Scientific notation

• Scientific notation: 2.135716375 × 10¹⁰

Factors of 21357163750

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 369

Divisors of 21357163750

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 5 10 13 17 19 25 26 34 38 50 65 85 95 125 130 169 170 190 221 247 250 313 323 325 338 425 442 475 494 625 626 646 650 845 850 950 1105 1235 1250 1565 1615 1625 1690 2125 2210 2375 2470 2873 3130 3211 3230 3250 4069 4199 4225 4250 4750 5321 5525 5746 5947 6175 6422 7825 8075 8125 8138 8398 8450 10625 10642 11050 11875 11894 12350 14365 15650 16055 16150 16250 20345 20995 21125 21250 23750 26605 27625 28730 29735 30875 32110 39125 40375 40690 41990 42250 52897 53210 54587 55250 59470 61750 69173 71825 77311 78250 80275 80750 101099 101725 104975 105625 105794 109174 133025 138125 138346 143650 148675 154375 154622 160550 195625 201875 202198 203450 209950 211250 264485 266050 272935 276250 297350 308750 345865 359125 386555 391250 401375 403750 505495 508625 524875 528970 545870 665125 691730 718250 743375 773110 802750 899249 1005043 1010990 1017250 1049750 1314287 1322425 1330250 1364675 1486750 1729325 1795625 1798498 1932775 2006875 2010086 2527475 2543125 2624375 2628574 2644850 2729350 3325625 3458650 3591250 3716875 3865550 4013750 4496245 5025215 5054950 5086250 5248750 6571435 6612125 6651250 6823375 7433750 8646625 8992490 9663875 10050430 12637375 13142870 13224250 13646750 17085731 17293250 19327750 22481225 25126075 25274750 32857175 33060625 34116875 34171462 43233125 44962450 48319375 50252150 63186875 65714350 66121250 68233750 85428655 86466250 96638750 112406125 125630375 126373750 164285875 170857310 224812250 251260750 328571750 427143275 562030625 628151875 821429375 854286550 1124061250 1256303750 1642858750 2135716375 4271432750 10678581875 21357163750
• Sum of all divisors σ(n): 48468047760
• Sum of proper divisors (its aliquot sum) s(n): 27110884010
• 21357163750 is an abundant number, because the sum of its proper divisors (27110884010) is greater than itself. Its abundance is 5753720260

Bases of 21357163750

• Binary: 10011111000111111000111010011100110₂
• Hexadecimal: 0x4F8FC74E6
• Base-36: 9T7I50M

Squares and roots of 21357163750

• 21357163750 squared (21357163750²) is 456128443444314062500
• 21357163750 cubed (21357163750³) is 9741609857672829439240234375000
• The square root of 21357163750 is 146140.9037538773
• The cube root of 21357163750 is 2774.4774061215

Scales and comparisons

• 21,357,163,750 seconds is equal to 679 years, 4 weeks, 5 days, 9 hours, 29 minutes, 10 seconds.
• To count from 1 to 21,357,163,750 would take you about one thousand, three hundred fifty-eight 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 21357163750 cubic inches would be around 231.2 feet tall.

Recreational maths with 21357163750

• 21357163750 backwards is 05736175312
• The number of decimal digits it has is: 11
• The sum of 21357163750's digits is 40
• More coming soon!