21121191743750

Names of 21121191743750

• Cardinal: 21121191743750 can be written as Twenty-one trillion, one hundred twenty-one billion, one hundred ninety-one million, seven hundred forty-three thousand, seven hundred fifty.

Scientific notation

• Scientific notation: 2.112119174375 × 10¹³

Factors of 21121191743750

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 104

Divisors of 21121191743750

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 5 7 10 14 17 25 34 35 50 70 73 85 119 125 146 170 175 238 250 350 365 425 511 595 625 730 850 875 1022 1190 1241 1250 1750 1825 2125 2482 2555 2975 3125 3650 4250 4375 5110 5329 5950 6205 6250 8687 8750 9125 10625 10658 12410 12775 14875 17374 18250 21250 21875 25550 26645 29750 31025 37303 43435 43750 45625 53125 53290 62050 63875 74375 74606 86870 90593 91250 106250 127750 133225 148750 155125 181186 186515 217175 228125 266450 310250 319375 371875 373030 389017 434350 452965 456250 634151 638750 666125 743750 775625 778034 905930 932575 1085875 1268302 1332250 1551250 1596875 1865150 1945085 2171750 2264825 2723119 3170755 3193750 3330625 3878125 3890170 4529650 4662875 5429375 5446238 6341510 6613289 6661250 7756250 9325750 9725425 10858750 11324125 13226578 13615595 15853775 16653125 19450850 22648250 23314375 27146875 27231190 28398241 31707550 33066445 33306250 46293023 46628750 48627125 54293750 56620625 56796482 66132890 68077975 79268875 92586046 97254250 113241250 116571875 136155950 141991205 158537750 165332225 198787687 231465115 233143750 243135625 283103125 283982410 330664450 340389875 396344375 397575374 462930230 482770097 486271250 566206250 680779750 709956025 792688750 826661125 965540194 993938435 1157325575 1215678125 1419912050 1653322250 1701949375 1981721875 1987876870 2314651150 2413850485 2431356250 3379390679 3403898750 3549780125 3963443750 4133305625 4827700970 4969692175 5786627875 6758781358 7099560250 8266611250 8509746875 9939384350 11573255750 12069252425 16896953395 17019493750 17748900625 20666528125 24138504850 24848460875 28933139375 33793906790 35497801250 41333056250 49696921750 57866278750 60346262125 84484766975 88744503125 120692524250 124242304375 144665696875 168969533950 177489006250 248484608750 289331393750 301731310625 422423834875 603462621250 621211521875 844847669750 1242423043750 1508656553125 2112119174375 3017313106250 4224238348750 10560595871875 21121191743750
• Sum of all divisors σ(n): 48584505830112
• Sum of proper divisors (its aliquot sum) s(n): 27463314086362
• 21121191743750 is an abundant number, because the sum of its proper divisors (27463314086362) is greater than itself. Its abundance is 6342122342612

Bases of 21121191743750

• Binary: 100110011010110101001001000011001000100000110₂
• Hexadecimal: 0x1335A9219106
• Base-36: 7HIXW8BNQ

Squares and roots of 21121191743750

• 21121191743750 squared (21121191743750²) is 446104740676253165664062500
• 21121191743750 cubed (21121191743750³) is 9422263765619013154308597861083984375000
• The square root of 21121191743750 is 4595779.7753754477
• The cube root of 21121191743750 is 27642.2128252717

Scales and comparisons

• 21,121,191,743,750 seconds is equal to 671,588 years, 29 weeks, 2 days, 18 hours, 35 minutes, 50 seconds.
• To count from 1 to 21,121,191,743,750 would take you about one million, six hundred seventy-eight thousand, nine hundred seventy-one 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 21121191743750 cubic inches would be around 2303.5 feet tall.

Recreational maths with 21121191743750

• 21121191743750 backwards is 05734719112112
• The number of decimal digits it has is: 14
• The sum of 21121191743750's digits is 44
• More coming soon!