21135866085376

Names of 21135866085376

• Cardinal: 21135866085376 can be written as Twenty-one trillion, one hundred thirty-five billion, eight hundred sixty-six million, eighty-five thousand, three hundred seventy-six.

Scientific notation

• Scientific notation: 2.1135866085376 × 10¹³

Factors of 21135866085376

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 742

Divisors of 21135866085376

• Number of divisors d(n): 225
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 256 343 392 448 512 686 733 784 896 1024 1372 1466 1568 1792 2048 2401 2744 2932 3136 3584 4096 4802 5131 5488 5864 6272 7168 8192 9604 10262 10976 11728 12544 14336 16384 19208 20524 21952 23456 25088 28672 35917 38416 41048 43904 46912 50176 57344 71834 76832 82096 87808 93824 100352 114688 143668 153664 164192 175616 187648 200704 251419 287336 307328 328384 351232 375296 401408 502838 537289 574672 614656 656768 702464 750592 802816 1005676 1074578 1149344 1229312 1313536 1404928 1501184 1759933 2011352 2149156 2298688 2458624 2627072 2809856 3002368 3519866 3761023 4022704 4298312 4597376 4917248 5254144 5619712 6004736 7039732 7522046 8045408 8596624 9194752 9834496 10508288 12009472 14079464 15044092 16090816 17193248 18389504 19668992 21016576 26327161 28158928 30088184 32181632 34386496 36779008 39337984 42033152 52654322 56317856 60176368 64363264 68772992 73558016 84066304 105308644 112635712 120352736 128726528 137545984 147116032 184290127 210617288 225271424 240705472 257453056 275091968 294232064 368580254 421234576 450542848 481410944 514906112 550183936 588464128 737160508 842469152 901085696 962821888 1029812224 1100367872 1290030889 1474321016 1684938304 1802171392 1925643776 2059624448 2200735744 2580061778 2948642032 3369876608 3604342784 3851287552 4119248896 4401471488 5160123556 5897284064 6739753216 7208685568 7702575104 8802942976 10320247112 11794568128 13479506432 14417371136 15405150208 20640494224 23589136256 26959012864 28834742272 30810300416 41280988448 47178272512 53918025728 61620600832 82561976896 94356545024 107836051456 165123953792 188713090048 215672102912 330247907584 377426180096 431344205824 660495815168 754852360192 1320991630336 1509704720384 2641983260672 3019409440768 5283966521344 10567933042688 21135866085376
• Sum of all divisors σ(n): 49379948394441
• Sum of proper divisors (its aliquot sum) s(n): 28244082309065
• 21135866085376 is an abundant number, because the sum of its proper divisors (28244082309065) is greater than itself. Its abundance is 7108216223689

Bases of 21135866085376

• Binary: 100110011100100010011110010100100000000000000₂
• Hexadecimal: 0x133913CA4000
• Base-36: 7HPOKYE4G

Squares and roots of 21135866085376

• 21135866085376 squared (21135866085376²) is 446724835178947398521061376
• 21135866085376 cubed (21135866085376³) is 9441916293353897764427564517045752037376
• 21135866085376 is a perfect square number. Its square root is 4597376
• The cube root of 21135866085376 is 27648.6129908101

Scales and comparisons

• 21,135,866,085,376 seconds is equal to 672,055 years, 8 weeks, 3 days, 16 hours, 36 minutes, 16 seconds.
• To count from 1 to 21,135,866,085,376 would take you about one million, six hundred eighty thousand, one 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 21135866085376 cubic inches would be around 2304.1 feet tall.

Recreational maths with 21135866085376

• 21135866085376 backwards is 67358066853112
• The number of decimal digits it has is: 14
• The sum of 21135866085376's digits is 61
• More coming soon!