21402285243456

Names of 21402285243456

• Cardinal: 21402285243456 can be written as Twenty-one trillion, four hundred two billion, two hundred eighty-five million, two hundred forty-three thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 2.1402285243456 × 10¹³

Factors of 21402285243456

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 401031

Divisors of 21402285243456

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 31 32 39 48 52 62 64 78 93 96 104 124 156 186 192 208 248 312 372 403 416 496 624 691 744 806 832 992 1209 1248 1382 1488 1612 1984 2073 2418 2496 2764 2976 3224 4146 4836 5528 5952 6448 8292 8983 9672 11056 12896 16584 17966 19344 21421 22112 25792 26949 33168 35932 38688 42842 44224 53898 64263 66336 71864 77376 85684 107796 128526 132672 143728 171368 215592 257052 278473 287456 342736 400291 431184 514104 556946 574912 685472 800582 835419 862368 1028208 1113892 1200873 1370944 1601164 1670838 1724736 2056416 2227784 2401746 3202328 3341676 4112832 4455568 4803492 5203783 6404656 6683352 8911136 9606984 10407566 12409021 12809312 13366704 15611349 17822272 19213968 20815132 24818042 25618624 26733408 31222698 37227063 38427936 41630264 49636084 53466816 62445396 74454126 76855872 83260528 99272168 124890792 148908252 161317273 166521056 198544336 249781584 276601081 297816504 322634546 333042112 397088672 483951819 499563168 553202162 595633008 645269092 794177344 829803243 967903638 999126336 1106404324 1191266016 1290538184 1659606486 1935807276 2212808648 2382532032 2581076368 3319212972 3595814053 3871614552 4425617296 5162152736 6638425944 7191628106 7743229104 8574633511 8851234592 10324305472 10787442159 13276851888 14383256212 15486458208 17149267022 17702469184 21574884318 25723900533 26553703776 28766512424 30972916416 34298534044 43149768636 51447801066 53107407552 57533024848 68597068088 86299537272 102895602132 111470235643 115066049696 137194136176 172599074544 205791204264 222940471286 230132099392 274388272352 334410706929 345198149088 411582408528 445880942572 548776544704 668821413858 690396298176 823164817056 891761885144 1337642827716 1646329634112 1783523770288 2675285655432 3567047540576 5350571310864 7134095081152 10701142621728 21402285243456
• Sum of all divisors σ(n): 63041237733376
• Sum of proper divisors (its aliquot sum) s(n): 41638952489920
• 21402285243456 is an abundant number, because the sum of its proper divisors (41638952489920) is greater than itself. Its abundance is 20236667246464

Bases of 21402285243456

• Binary: 100110111011100011011100110111111110001000000₂
• Hexadecimal: 0x13771B9BFC40
• Base-36: 7L42O1K5C

Squares and roots of 21402285243456

• 21402285243456 squared (21402285243456²) is 458057813642254453190823936
• 21402285243456 cubed (21402285243456³) is 9803483985565340927797873419118992162816
• The square root of 21402285243456 is 4626260.3951200151
• The cube root of 21402285243456 is 27764.2992045597

Scales and comparisons

• 21,402,285,243,456 seconds is equal to 680,526 years, 24 weeks, 2 days, 18 hours, 17 minutes, 36 seconds.
• To count from 1 to 21,402,285,243,456 would take you about one million, seven hundred one thousand, three hundred sixteen 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 21402285243456 cubic inches would be around 2313.7 feet tall.

Recreational maths with 21402285243456

• 21402285243456 backwards is 65434258220412
• 21402285243456 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21402285243456's digits is 48
• More coming soon!