21410829991978

Names of 21410829991978

• Cardinal: 21410829991978 can be written as Twenty-one trillion, four hundred ten billion, eight hundred twenty-nine million, nine hundred ninety-one thousand, nine hundred seventy-eight.

Scientific notation

• Scientific notation: 2.1410829991978 × 10¹³

Factors of 21410829991978

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 152

Divisors of 21410829991978

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 7 14 29 41 49 58 73 82 98 146 203 287 406 511 574 841 1022 1189 1421 1681 1682 2009 2117 2378 2842 2993 3362 3577 4018 4234 5329 5887 5986 7154 8323 10658 11767 11774 14819 16646 20951 23534 24389 29638 34481 37303 41209 41902 48749 48778 58261 61393 68962 74606 82369 82418 86797 97498 103733 116522 122713 122786 146657 154541 164738 170723 173594 207466 218489 241367 245426 261121 293314 309082 341243 341446 429751 436978 482734 522242 607579 682486 858991 859502 999949 1081787 1195061 1215158 1413721 1529423 1689569 1717982 1780397 1999898 2163574 2388701 2390122 2517113 2827442 3008257 3058846 3379138 3558677 3560794 4253053 4481689 4777402 5034226 6012937 6016514 6336181 6999643 7117354 7572509 8506106 8958049 8963378 9896047 10705961 12025874 12462779 12672362 13999286 15145018 17619791 17916098 19792094 21411922 24910739 24925558 31371823 35239582 40997909 44353267 48997501 49821478 62706343 62743646 69272329 72996277 81995818 87239453 88706534 97995002 103201633 123338537 125412686 129968981 138544658 145992554 174375173 174478906 183749249 206403266 219602761 246677074 259783421 259937962 286985363 310472869 348750346 367498498 438944401 439205522 510973939 519566842 573970726 620945738 722411431 877888802 909782867 1021947878 1286244743 1444822862 1818483947 1819565734 2008897541 2572489486 2992847357 3576817573 3636967894 4017795082 5056880017 5328728221 5985694714 6368480069 7153635146 7533719209 9003713201 10113760034 10657456442 12729387629 12736960138 15067438418 18007426402 20949931499 25458775258 37301097547 41899862998 52736034463 74602195094 105472068926 146649520493 218477857061 261107682829 293299040986 369152241241 436955714122 522215365658 738304482482 1529344999427 3058689998854 10705414995989 21410829991978
• Sum of all divisors σ(n): 40211447020740
• Sum of proper divisors (its aliquot sum) s(n): 18800617028762
• 21410829991978 is a deficient number, because the sum of its proper divisors (18800617028762) is less than itself. Its deficiency is 2610212963216

Bases of 21410829991978

• Binary: 100110111100100011000111010101000000000101010₂
• Hexadecimal: 0x137918EA802A
• Base-36: 7L7ZZD6AY

Squares and roots of 21410829991978

• 21410829991978 squared (21410829991978²) is 458423640945384643544352484
• 21410829991978 cubed (21410829991978³) is 9815230640585195439874852884488924373352
• The square root of 21410829991978 is 4627183.8078876875
• The cube root of 21410829991978 is 27767.9936291933

Scales and comparisons

• 21,410,829,991,978 seconds is equal to 680,798 years, 8 weeks, 4 days, 7 hours, 32 minutes, 58 seconds.
• To count from 1 to 21,410,829,991,978 would take you about one million, seven hundred one thousand, nine hundred ninety-five 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 21410829991978 cubic inches would be around 2314 feet tall.

Recreational maths with 21410829991978

• 21410829991978 backwards is 87919992801412
• The number of decimal digits it has is: 14
• The sum of 21410829991978's digits is 70
• More coming soon!