21372281847810432

Names of 21372281847810432

• Cardinal: 21372281847810432 can be written as Twenty-one quadrillion, three hundred seventy-two trillion, two hundred eighty-one billion, eight hundred forty-seven million, eight hundred ten thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 2.1372281847810432 × 10¹⁶

Factors of 21372281847810432

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 240939324606

Divisors of 21372281847810432

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 28 32 33 36 42 44 48 56 63 64 66 72 77 84 88 96 99 112 126 128 132 144 154 168 176 192 198 224 231 252 264 288 308 336 352 384 396 448 462 504 528 576 616 672 693 704 792 896 924 1008 1056 1152 1232 1344 1386 1408 1584 1848 2016 2112 2464 2688 2772 3168 3696 4032 4224 4928 5544 6336 7392 8064 9856 11088 12672 14784 22176 29568 44352 88704 240939324583 481878649166 722817973749 963757298332 1445635947498 1686575272081 1927514596664 2168453921247 2650332570413 2891271894996 3373150544162 3855029193328 4336907842494 5059725816243 5300665140826 5782543789992 6746301088324 7710058386656 7950997711239 8673815684988 10119451632486 10601330281652 11565087579984 13492602176648 15179177448729 15420116773312 15901995422478 17347631369976 18552327992891 20238903264972 21202660563304 23130175159968 23852993133717 26985204353296 30358354897458 30840233546624 31803990844956 34695262739952 37104655985782 40477806529944 42405321126608 46260350319936 47705986267434 53970408706592 55656983978673 60716709794916 63607981689912 69390525479904 74209311971564 80955613059888 84810642253216 92520700639872 95411972534868 107940817413184 111313967957346 121433419589832 127215963379824 138781050959808 148418623943128 161911226119776 166970951936019 169621284506432 190823945069736 215881634826368 222627935914692 242866839179664 254431926759648 277562101919616 296837247886256 323822452239552 333941903872038 339242569012864 381647890139472 445255871829384 485733678359328 508863853519296 593674495772512 647644904479104 667883807744076 763295780278944 890511743658768 971467356718656 1017727707038592 1187348991545024 1335767615488152 1526591560557888 1781023487317536 1942934713437312 2374697983090048 2671535230976304 3053183121115776 3562046974635072 5343070461952608 7124093949270144 10686140923905216 21372281847810432
• Sum of all divisors σ(n): 76676530655612160
• Sum of proper divisors (its aliquot sum) s(n): 55304248807801728
• 21372281847810432 is an abundant number, because the sum of its proper divisors (55304248807801728) is greater than itself. Its abundance is 33931966959991296

Bases of 21372281847810432

• Binary: 1001011111011011111101000100011100101000000100110000000₂
• Hexadecimal: 0x4BEDFA23940980
• Base-36: 5UFUAQK7Z40

Squares and roots of 21372281847810432

• 21372281847810432 squared (21372281847810432²) is 456774431382247293653312608026624
• 21372281847810432 cubed (21372281847810432³) is 9762311888374735568185548802633684051442760941568
• The square root of 21372281847810432 is 146192618.9922406173
• The cube root of 21372281847810432 is 277513.1908252249

Scales and comparisons

• 21,372,281,847,810,432 seconds is equal to 679,572,453 years, 49 weeks, 3 days, 13 hours, 7 minutes, 12 seconds.
• To count from 1 to 21,372,281,847,810,432 would take you about two billion, thirty-eight million, seven hundred seventeen thousand, three hundred sixty-one 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 21372281847810432 cubic inches would be around 23126.1 feet tall.

Recreational maths with 21372281847810432

• 21372281847810432 backwards is 23401874818227312
• 21372281847810432 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21372281847810432's digits is 63
• More coming soon!