21315970348816

Names of 21315970348816

• Cardinal: 21315970348816 can be written as Twenty-one trillion, three hundred fifteen billion, nine hundred seventy million, three hundred forty-eight thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 2.1315970348816 × 10¹³

Factors of 21315970348816

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 797247

Divisors of 21315970348816

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 8 11 13 16 22 26 29 31 44 52 58 62 88 104 116 124 143 169 176 208 232 248 286 319 338 341 377 403 464 496 572 638 676 682 754 806 899 1144 1276 1352 1364 1508 1612 1798 1859 2288 2552 2704 2728 3016 3224 3596 3718 4147 4433 4901 5104 5239 5456 6032 6448 7192 7436 8294 8866 9802 9889 10478 11687 14384 14872 16588 17732 19604 19778 20956 23374 29744 33176 35464 39208 39556 41912 46748 53911 57629 66352 70928 78416 79112 83824 93496 107822 115258 128557 151931 158224 186992 215644 230516 257114 303862 431288 461032 514228 607724 797161 862576 922064 1028456 1215448 1594322 1671241 2056912 2430896 3188644 3342482 6377288 6684964 8768771 10363093 12754576 13369928 17537542 20726186 23117669 24711991 26739856 35075084 41452372 46235338 49423982 70150168 82904744 92470676 98847964 113994023 134720209 140300336 165809488 184941352 197695928 227988046 254294359 269440418 271831901 300529697 321255883 369882704 395391856 455976092 508588718 538880836 543663802 601059394 642511766 716647739 911952184 1017177436 1077761672 1087327604 1202118788 1285023532 1433295478 1481922299 1823904368 2034354872 2155523344 2174655208 2404237576 2570047064 2866590956 2963844598 3305826667 3533814713 3906886061 4068709744 4176326479 4349310416 4808475152 5140094128 5733181912 5927689196 6611653334 7067629426 7813772122 7883125129 8352652958 9316420607 11466363824 11855378392 13223306668 14135258852 15627544244 15766250258 16705305916 18632841214 23710756784 26446613336 28270517704 31255088488 31532500516 33410611832 37265682428 42975746671 45939591269 52893226672 56541035408 62510176976 63065001032 66821223664 74531364856 85951493342 91879182538 102480626677 121113467891 126130002064 149062729712 171902986684 183758365076 204961253354 242226935782 343805973368 367516730152 409922506708 484453871564 687611946736 735033460304 819845013416 968907743128 1332248146801 1639690026832 1937815486256 2664496293602 5328992587204 10657985174408 21315970348816
• Sum of all divisors σ(n): 52096896299520
• Sum of proper divisors (its aliquot sum) s(n): 30780925950704
• 21315970348816 is an abundant number, because the sum of its proper divisors (30780925950704) is greater than itself. Its abundance is 9464955601888

Bases of 21315970348816

• Binary: 100110110001100000010110101110011011100010000₂
• Hexadecimal: 0x136302D73710
• Base-36: 7K0F6DT74

Squares and roots of 21315970348816

• 21315970348816 squared (21315970348816²) is 454370591911602904712601856
• 21315970348816 cubed (21315970348816³) is 9685350064561702557004358594671249002496
• The square root of 21315970348816 is 4616922.1727051021
• The cube root of 21315970348816 is 27726.9246686247

Scales and comparisons

• 21,315,970,348,816 seconds is equal to 677,781 years, 47 weeks, 6 days, 18 hours, 40 minutes, 16 seconds.
• To count from 1 to 21,315,970,348,816 would take you about one million, six hundred ninety-four thousand, four hundred fifty-four 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 21315970348816 cubic inches would be around 2310.6 feet tall.

Recreational maths with 21315970348816

• 21315970348816 backwards is 61884307951312
• 21315970348816 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21315970348816's digits is 58
• More coming soon!