21316619688

Names of 21316619688

• Cardinal: 21316619688 can be written as Twenty-one billion, three hundred sixteen million, six hundred nineteen thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 2.1316619688 × 10¹⁰

Factors of 21316619688

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1467

Divisors of 21316619688

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 19 21 24 26 28 38 39 42 52 56 57 76 78 84 91 104 114 133 152 156 168 182 228 247 266 273 312 361 364 399 456 494 532 546 722 728 741 798 988 1064 1083 1092 1423 1444 1482 1596 1729 1976 2166 2184 2527 2846 2888 2964 3192 3458 4269 4332 4693 5054 5187 5692 5928 6859 6916 7581 8538 8664 9386 9961 10108 10374 11384 13718 13832 14079 15162 17076 18499 18772 19922 20216 20577 20748 27037 27436 28158 29883 30324 32851 34152 36998 37544 39844 41154 41496 48013 54074 54872 55497 56316 59766 60648 65702 73996 79688 81111 82308 89167 96026 98553 108148 110994 112632 119532 129493 131404 144039 147992 162222 164616 178334 189259 192052 197106 216296 221988 239064 258986 262808 267501 288078 324444 351481 356668 378518 384104 388479 394212 443976 513703 517972 535002 567777 576156 624169 648888 702962 713336 757036 776958 788424 1027406 1035944 1054443 1070004 1135554 1152312 1248338 1405924 1514072 1541109 1553916 1872507 2054812 2108886 2140008 2271108 2460367 2496676 2811848 3082218 3107832 3595921 3745014 4109624 4217772 4542216 4920734 4993352 6164436 6678139 7191842 7381101 7490028 8435544 9760357 9841468 10787763 12328872 13356278 14383684 14762202 14980056 19520714 19682936 20034417 21575526 26712556 28767368 29281071 29524404 39041428 40068834 43151052 46746973 53425112 58562142 59048808 68322499 78082856 80137668 86302104 93493946 117124284 126884641 136644998 140240919 160275336 186987892 204967497 234248568 253769282 273289996 280481838 373975784 380653923 409934994 507538564 546579992 560963676 761307846 819869988 888192487 1015077128 1121927352 1522615692 1639739976 1776384974 2664577461 3045231384 3552769948 5329154922 7105539896 10658309844 21316619688
• Sum of all divisors σ(n): 69281587200
• Sum of proper divisors (its aliquot sum) s(n): 47964967512
• 21316619688 is an abundant number, because the sum of its proper divisors (47964967512) is greater than itself. Its abundance is 26648347824

Bases of 21316619688

• Binary: 10011110110100100011100110110101000₂
• Hexadecimal: 0x4F691CDA8
• Base-36: 9SJD50O

Squares and roots of 21316619688

• 21316619688 squared (21316619688²) is 454398274922829217344
• 21316619688 cubed (21316619688³) is 9686235213413217975096741468672
• The square root of 21316619688 is 146002.1222037541
• The cube root of 21316619688 is 2772.7206210203

Scales and comparisons

• 21,316,619,688 seconds is equal to 677 years, 41 weeks, 5 days, 3 hours, 14 minutes, 48 seconds.
• To count from 1 to 21,316,619,688 would take you about one thousand, three hundred fifty-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 21316619688 cubic inches would be around 231.1 feet tall.

Recreational maths with 21316619688

• 21316619688 backwards is 88691661312
• The number of decimal digits it has is: 11
• The sum of 21316619688's digits is 51
• More coming soon!