21942439691904

Names of 21942439691904

• Cardinal: 21942439691904 can be written as Twenty-one trillion, nine hundred forty-two billion, four hundred thirty-nine million, six hundred ninety-one thousand, nine hundred four.

Scientific notation

• Scientific notation: 2.1942439691904 × 10¹³

Factors of 21942439691904

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 2563

Divisors of 21942439691904

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 37 48 54 64 72 74 81 96 108 111 128 144 148 162 192 216 222 243 288 296 324 333 384 432 444 486 576 592 648 666 729 864 888 972 999 1152 1184 1296 1332 1458 1728 1776 1944 1998 2368 2521 2592 2664 2916 2997 3456 3552 3888 3996 4736 5042 5184 5328 5832 5994 7104 7563 7776 7992 8991 10084 10368 10656 11664 11988 14208 15126 15552 15984 17982 20168 21312 22689 23328 23976 26973 30252 31104 31968 35964 40336 42624 45378 46656 47952 53946 60504 63936 68067 71928 80672 90756 93277 93312 95904 107892 121008 127872 136134 143856 161344 181512 186554 191808 204201 215784 242016 272268 279831 287712 322688 363024 373108 383616 408402 431568 484032 544536 559662 575424 612603 726048 746216 816804 839493 863136 968064 1089072 1119324 1150848 1225206 1452096 1492432 1633608 1678986 1726272 1837809 2178144 2238648 2450412 2518479 2904192 2984864 3267216 3357972 3452544 3675618 4356288 4477296 4900824 5036958 5969728 6355441 6534432 6715944 7351236 7555437 8712576 8954592 9801648 10073916 11939456 12710882 13068864 13431888 14702472 15110874 17909184 19066323 19603296 20147832 22666311 25421764 26137728 26863776 29404944 30221748 35818368 38132646 39206592 40295664 45332622 50843528 53727552 57198969 58809888 60443496 67998933 76265292 78413184 80591328 90665244 101687056 107455104 114397938 117619776 120886992 135997866 152530584 161182656 171596907 181330488 203374112 228795876 235151317 235239552 241773984 271995732 305061168 322365312 343193814 362660976 406748224 457591752 470302634 483547968 514790721 543991464 610122336 686387628 705453951 725321952 813496448 915183504 940605268 967095936 1029581442 1087982928 1220244672 1372775256 1410907902 1450643904 1544372163 1830367008 1881210536 2059162884 2116361853 2175965856 2440489344 2745550512 2821815804 2901287808 3088744326 3660734016 3762421072 4118325768 4232723706 4351931712 4633116489 5491101024 5643631608 6177488652 6349085559 7321468032 7524842144 8236651536 8465447412 8703863424 9266232978 10982202048 11287263216 12354977304 12698171118 15049684288 16473303072 16930894824 18532465956 19047256677 21964404096 22574526432 24709954608 25396342236 30099368576 32946606144 33861789648 37064931912 38094513354 45149052864 49419909216 50792684472 57141770031 65893212288 67723579296 74129863824 76189026708 90298105728 98839818432 101585368944 114283540062 135447158592 148259727648 152378053416 171425310093 197679636864 203170737888 228567080124 270894317184 296519455296 304756106832 342850620186 406341475776 457134160248 593038910592 609512213664 685701240372 812682951552 914268320496 1219024427328 1371402480744 1828536640992 2438048854656 2742804961488 3657073281984 5485609922976 7314146563968 10971219845952 21942439691904
• Sum of all divisors σ(n): 67338266986710
• Sum of proper divisors (its aliquot sum) s(n): 45395827294806
• 21942439691904 is an abundant number, because the sum of its proper divisors (45395827294806) is greater than itself. Its abundance is 23453387602902

Bases of 21942439691904

• Binary: 100111111010011011111010100101100011010000000₂
• Hexadecimal: 0x13F4DF52C680
• Base-36: 7S07U2000

Squares and roots of 21942439691904

• 21942439691904 squared (21942439691904²) is 481470659632844106443145216
• 21942439691904 cubed (21942439691904³) is 10564640912414919484741589494659771531264
• The square root of 21942439691904 is 4684275.7916143241
• The cube root of 21942439691904 is 27995.9346529333

Scales and comparisons

• 21,942,439,691,904 seconds is equal to 697,701 years, 36 weeks, 6 days, 8 hours, 38 minutes, 24 seconds.
• To count from 1 to 21,942,439,691,904 would take you about one million, seven hundred forty-four thousand, two 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 21942439691904 cubic inches would be around 2333 feet tall.

Recreational maths with 21942439691904

• 21942439691904 backwards is 40919693424912
• The number of decimal digits it has is: 14
• The sum of 21942439691904's digits is 63
• More coming soon!