21001260312500

Names of 21001260312500

• Cardinal: 21001260312500 can be written as Twenty-one trillion, one billion, two hundred sixty million, three hundred twelve thousand, five hundred.

Scientific notation

• Scientific notation: 2.10012603125 × 10¹³

Factors of 21001260312500

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 201

Divisors of 21001260312500

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 10 13 20 25 26 50 52 65 100 125 130 169 181 250 260 325 338 362 500 625 650 676 724 845 905 1250 1300 1625 1690 1810 2197 2353 2500 3125 3250 3380 3620 4225 4394 4525 4706 6250 6500 8125 8450 8788 9050 9412 10985 11765 12500 15625 16250 16900 18100 21125 21970 22625 23530 28561 30589 31250 32500 40625 42250 43940 45250 47060 54925 57122 58825 61178 62500 78125 81250 84500 90500 105625 109850 113125 114244 117650 122356 142805 152945 156250 162500 203125 211250 219700 226250 235300 274625 285610 294125 305890 312500 371293 397657 406250 422500 452500 528125 549250 565625 571220 588250 611780 714025 742586 764725 795314 812500 1015625 1056250 1098500 1131250 1176500 1373125 1428050 1470625 1485172 1529450 1590628 1856465 1988285 2031250 2112500 2262500 2640625 2746250 2828125 2856100 2941250 3058900 3570125 3712930 3823625 3976570 4062500 5169541 5281250 5492500 5656250 5882500 6865625 7140250 7353125 7425860 7647250 7953140 9282325 9941425 10339082 10562500 11312500 13203125 13731250 14140625 14280500 14706250 15294500 17850625 18564650 19118125 19882850 20678164 25847705 26406250 27462500 28281250 29412500 34328125 35701250 36765625 37129300 38236250 39765700 46411625 49707125 51695410 52812500 56562500 67204033 68656250 71402500 73531250 76472500 89253125 92823250 95590625 99414250 103390820 129238525 134408066 137312500 147062500 171640625 178506250 183828125 185646500 191181250 198828500 232058125 248535625 258477050 268816132 336020165 343281250 357012500 367656250 382362500 446265625 464116250 477953125 497071250 516954100 646192625 672040330 686562500 735312500 892531250 928232500 955906250 994142500 1160290625 1242678125 1292385250 1344080660 1680100825 1785062500 1911812500 2231328125 2320581250 2389765625 2485356250 2584770500 3230963125 3360201650 4462656250 4641162500 4779531250 4970712500 5801453125 6213390625 6461926250 6720403300 8400504125 8925312500 9559062500 11602906250 12426781250 12923852500 16154815625 16801008250 23205812500 24853562500 29007265625 31066953125 32309631250 33602016500 42002520625 58014531250 62133906250 64619262500 80774078125 84005041250 116029062500 124267812500 161548156250 168010082500 210012603125 323096312500 403870390625 420025206250 807740781250 840050412500 1050063015625 1615481562500 2100126031250 4200252062500 5250315078125 10500630156250 21001260312500
• Sum of all divisors σ(n): 50043437904096
• Sum of proper divisors (its aliquot sum) s(n): 29042177591596
• 21001260312500 is an abundant number, because the sum of its proper divisors (29042177591596) is greater than itself. Its abundance is 8040917279096

Bases of 21001260312500

• Binary: 100110001100110111100101010010010011110110100₂
• Hexadecimal: 0x1319BCA927B4
• Base-36: 7FZUG5J1W

Squares and roots of 21001260312500

• 21001260312500 squared (21001260312500²) is 441052934713387597656250000
• 21001260312500 cubed (21001260312500³) is 9262667493507920517087921142578125000000
• The square root of 21001260312500 is 4582713.2042601139
• The cube root of 21001260312500 is 27589.7936744571

Scales and comparisons

• 21,001,260,312,500 seconds is equal to 667,775 years, 6 weeks, 12 hours, 8 minutes, 20 seconds.
• To count from 1 to 21,001,260,312,500 would take you about one million, six hundred sixty-nine thousand, four hundred thirty-seven 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 21001260312500 cubic inches would be around 2299.1 feet tall.

Recreational maths with 21001260312500

• 21001260312500 backwards is 00521306210012
• The number of decimal digits it has is: 14
• The sum of 21001260312500's digits is 23
• More coming soon!