21107818102784

Names of 21107818102784

• Cardinal: 21107818102784 can be written as Twenty-one trillion, one hundred seven billion, eight hundred eighteen million, one hundred two thousand, seven hundred eighty-four.

Scientific notation

• Scientific notation: 2.1107818102784 × 10¹³

Factors of 21107818102784

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 31
• Sum of prime factors: 140

Divisors of 21107818102784

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 131 196 224 256 262 343 392 448 512 524 686 784 896 917 1024 1048 1372 1568 1792 1834 2048 2096 2401 2744 3136 3584 3668 4096 4192 4802 5488 6272 6419 7168 7336 8192 8384 9604 10976 12544 12838 14336 14672 16384 16768 19208 21952 25088 25676 28672 29344 32768 33536 38416 43904 44933 50176 51352 57344 58688 65536 67072 76832 87808 89866 100352 102704 114688 117376 131072 134144 153664 175616 179732 200704 205408 229376 234752 262144 268288 307328 314531 351232 359464 401408 410816 458752 469504 524288 536576 614656 629062 702464 718928 802816 821632 917504 939008 1048576 1073152 1229312 1258124 1404928 1437856 1605632 1643264 1835008 1878016 2097152 2146304 2458624 2516248 2809856 2875712 3211264 3286528 3670016 3756032 4194304 4292608 4917248 5032496 5619712 5751424 6422528 6573056 7340032 7512064 8388608 8585216 9834496 10064992 11239424 11502848 12845056 13146112 14680064 15024128 16777216 17170432 19668992 20129984 22478848 23005696 25690112 26292224 29360128 30048256 33554432 34340864 39337984 40259968 44957696 46011392 51380224 52584448 58720256 60096512 67108864 68681728 78675968 80519936 89915392 92022784 102760448 105168896 117440512 120193024 137363456 157351936 161039872 179830784 184045568 205520896 210337792 234881024 240386048 274726912 314703872 322079744 359661568 368091136 411041792 420675584 469762048 480772096 549453824 629407744 644159488 719323136 736182272 822083584 841351168 961544192 1098907648 1258815488 1288318976 1438646272 1472364544 1644167168 1682702336 1923088384 2197815296 2517630976 2576637952 2877292544 2944729088 3288334336 3365404672 3846176768 4395630592 5035261952 5153275904 5754585088 5889458176 6730809344 7692353536 8791261184 10070523904 10306551808 11509170176 11778916352 13461618688 15384707072 20141047808 20613103616 23018340352 23557832704 26923237376 30769414144 40282095616 41226207232 47115665408 53846474752 61538828288 80564191232 82452414464 94231330816 107692949504 161128382464 164904828928 188462661632 215385899008 329809657856 376925323264 430771798016 659619315712 753850646528 1319238631424 1507701293056 2638477262848 3015402586112 5276954525696 10553909051392 21107818102784
• Sum of all divisors σ(n): 49624588639164
• Sum of proper divisors (its aliquot sum) s(n): 28516770536380
• 21107818102784 is an abundant number, because the sum of its proper divisors (28516770536380) is greater than itself. Its abundance is 7408952433596

Bases of 21107818102784

• Binary: 100110011001010001100000000000000000000000000₂
• Hexadecimal: 0x13328C000000
• Base-36: 7HCSPWS8W

Squares and roots of 21107818102784

• 21107818102784 squared (21107818102784²) is 445539985060215941188550656
• 21107818102784 cubed (21107818102784³) is 9404376962168138951735866229752598626304
• The square root of 21107818102784 is 4594324.5534881403
• The cube root of 21107818102784 is 27636.3773735839

Scales and comparisons

• 21,107,818,102,784 seconds is equal to 671,163 years, 16 weeks, 6 days, 6 hours, 19 minutes, 44 seconds.
• To count from 1 to 21,107,818,102,784 would take you about one million, six hundred seventy-seven thousand, nine hundred eight 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 21107818102784 cubic inches would be around 2303 feet tall.

Recreational maths with 21107818102784

• 21107818102784 backwards is 48720181870112
• The number of decimal digits it has is: 14
• The sum of 21107818102784's digits is 50
• More coming soon!