21400516553107744

Names of 21400516553107744

• Cardinal: 21400516553107744 can be written as Twenty-one quadrillion, four hundred trillion, five hundred sixteen billion, five hundred fifty-three million, one hundred seven thousand, seven hundred forty-four.

Scientific notation

• Scientific notation: 2.1400516553107744 × 10¹⁶

Factors of 21400516553107744

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 12860

Divisors of 21400516553107744

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 104 151 167 169 208 302 334 338 416 604 668 676 1208 1336 1352 1963 2171 2416 2672 2704 3926 4342 4832 5344 5408 7852 8684 12527 15704 17368 25054 25217 25519 28223 31408 34736 50108 50434 51038 56446 62816 69472 100216 100868 102076 112892 162851 200432 201736 204152 225784 325702 327821 400864 403472 408304 451568 651404 655642 806944 816608 903136 1302808 1311284 1891577 2092009 2117063 2605616 2622568 3783154 4184018 4234126 4261673 5211232 5245136 7566308 8368036 8468252 8523346 10490272 15132616 16736072 16936504 17046692 24590501 27196117 30265232 33472144 33873008 34093384 49181002 54392234 60530464 66944288 67746016 68186768 98362004 108784468 136373536 156925729 196724008 217568936 313851458 315893359 319676513 353549521 393448016 435137872 627702916 631786718 639353026 707099042 786896032 870275744 1255405832 1263573436 1278706052 1414198084 2040034477 2510811664 2527146872 2557412104 2828396168 4080068954 4106613667 5021623328 5054293744 5114824208 5656792336 8160137908 8213227334 10108587488 10229648416 11313584672 16320275816 16426454668 23695785079 26206596743 26520448201 32640551632 32852909336 47391570158 52413193486 53040896402 53385977671 65281103264 65705818672 94783140316 104826386972 106081792804 106771955342 131411637344 189566280632 209652773944 212163585608 213543910684 308045206027 340685757659 379132561264 419305547888 424327171216 427087821368 616090412054 681371515318 758265122528 838611095776 848654342432 854175642736 1232180824108 1362743030636 1708351285472 2464361648216 2725486061272 3957196108193 4004587678351 4428914849567 4928723296432 5450972122544 7914392216386 8009175356702 8857829699134 9857446592864 10901944245088 15828784432772 16018350713404 17715659398268 31657568865544 32036701426808 35431318796536 51443549406509 63315137731088 64073402853616 70862637593072 102887098813018 126630275462176 128146805707232 141725275186144 205774197626036 411548395252072 668766142284617 823096790504144 1337532284569234 1646193581008288 2675064569138468 5350129138276936 10700258276553872 21400516553107744
• Sum of all divisors σ(n): 46203335988239808
• Sum of proper divisors (its aliquot sum) s(n): 24802819435132064
• 21400516553107744 is an abundant number, because the sum of its proper divisors (24802819435132064) is greater than itself. Its abundance is 3402302882024320

Bases of 21400516553107744

• Binary: 1001100000001111010100000001011001010000110100100100000₂
• Hexadecimal: 0x4C07A80B286920
• Base-36: 5UPULKYR95S

Squares and roots of 21400516553107744

• 21400516553107744 squared (21400516553107744²) is 457982108739838556319984472769536
• 21400516553107744 cubed (21400516553107744³) is 9801053699114105819397515639619573329163488886784
• The square root of 21400516553107744 is 146289153.9147989741
• The cube root of 21400516553107744 is 277635.3436721855

Scales and comparisons

• 21,400,516,553,107,744 seconds is equal to 680,470,230 years, 12 weeks, 5 days, 2 hours, 49 minutes, 4 seconds.
• To count from 1 to 21,400,516,553,107,744 would take you about two billion, forty-one million, four hundred ten thousand, six hundred ninety 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 21400516553107744 cubic inches would be around 23136.3 feet tall.

Recreational maths with 21400516553107744

• 21400516553107744 backwards is 44770135561500412
• The number of decimal digits it has is: 17
• The sum of 21400516553107744's digits is 55
• More coming soon!