21048463872

Names of 21048463872

• Cardinal: 21048463872 can be written as Twenty-one billion, forty-eight million, four hundred sixty-three thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 2.1048463872 × 10¹⁰

Factors of 21048463872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 782

Divisors of 21048463872

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 32 36 38 48 54 57 64 72 76 96 108 114 127 128 144 152 171 192 216 228 254 256 288 304 342 381 384 432 456 508 512 513 576 608 631 684 762 768 864 912 1016 1026 1143 1152 1216 1262 1368 1524 1536 1728 1824 1893 2032 2052 2286 2304 2413 2432 2524 2736 3048 3429 3456 3648 3786 4064 4104 4572 4608 4826 4864 5048 5472 5679 6096 6858 6912 7239 7296 7572 8128 8208 9144 9652 9728 10096 10944 11358 11989 12192 13716 13824 14478 14592 15144 16256 16416 17037 18288 19304 20192 21717 21888 22716 23978 24384 27432 28956 29184 30288 32512 32832 34074 35967 36576 38608 40384 43434 43776 45432 47956 48768 54864 57912 60576 65024 65151 65664 68148 71934 73152 77216 80137 80768 86868 87552 90864 95912 97536 107901 109728 115824 121152 130302 131328 136296 143868 146304 154432 160274 161536 173736 181728 191824 195072 215802 219456 231648 240411 242304 260604 262656 272592 287736 292608 308864 320548 323072 323703 347472 363456 383648 431604 438912 463296 480822 484608 521208 545184 575472 585216 617728 641096 647406 694944 721233 726912 767296 863208 877824 926592 961644 969216 1042416 1090368 1150944 1235456 1282192 1294812 1389888 1442466 1453824 1522603 1534592 1726416 1755648 1853184 1923288 2084832 2163699 2180736 2301888 2564384 2589624 2779776 2884932 2907648 3045206 3069184 3452832 3706368 3846576 4169664 4327398 4361472 4567809 4603776 5128768 5179248 5559552 5769864 6090412 6138368 6905664 7693152 8339328 8654796 8722944 9135618 9207552 10257536 10358496 11119104 11539728 12180824 13703427 13811328 15386304 16678656 17309592 18271236 18415104 20515072 20716992 23079456 24361648 27406854 27622656 30772608 33357312 34619184 36542472 41030144 41110281 41433984 46158912 48723296 54813708 55245312 61545216 69238368 73084944 82220562 82867968 92317824 97446592 109627416 123090432 138476736 146169888 164441124 165735936 184635648 194893184 219254832 276953472 292339776 328882248 369271296 389786368 438509664 553906944 584679552 657764496 779572736 877019328 1107813888 1169359104 1315528992 1754038656 2338718208 2631057984 3508077312 5262115968 7016154624 10524231936 21048463872
• Sum of all divisors σ(n): 66205286400
• Sum of proper divisors (its aliquot sum) s(n): 45156822528
• 21048463872 is an abundant number, because the sum of its proper divisors (45156822528) is greater than itself. Its abundance is 24108358656

Bases of 21048463872

• Binary: 10011100110100101100001001000000000₂
• Hexadecimal: 0x4E6961200
• Base-36: 9O3PMO0

Squares and roots of 21048463872

• 21048463872 squared (21048463872²) is 443037831370889232384
• 21048463872 cubed (21048463872³) is 9325265787539390240348436430848
• The square root of 21048463872 is 145080.8873421995
• The cube root of 21048463872 is 2761.0448973723

Scales and comparisons

• 21,048,463,872 seconds is equal to 669 years, 14 weeks, 2 days, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 21,048,463,872 would take you about one thousand, three hundred thirty-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 21048463872 cubic inches would be around 230.1 feet tall.

Recreational maths with 21048463872

• 21048463872 backwards is 27836484012
• The number of decimal digits it has is: 11
• The sum of 21048463872's digits is 45
• More coming soon!