21948784416

Names of 21948784416

• Cardinal: 21948784416 can be written as Twenty-one billion, nine hundred forty-eight million, seven hundred eighty-four thousand, four hundred sixteen.

Scientific notation

• Scientific notation: 2.1948784416 × 10¹⁰

Factors of 21948784416

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4764

Divisors of 21948784416

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 72 78 96 97 104 117 144 156 169 194 208 234 288 291 312 338 388 416 468 507 582 624 676 776 873 936 1014 1164 1248 1261 1352 1521 1552 1746 1872 2028 2328 2522 2704 3042 3104 3492 3744 3783 4056 4649 4656 5044 5408 6084 6984 7566 8112 9298 9312 10088 11349 12168 13947 13968 15132 16224 16393 18596 20176 22698 24336 27894 27936 30264 32786 37192 40352 41841 45396 48672 49179 55788 60437 60528 65572 74384 83682 90792 98358 111576 120874 121056 131144 147537 148768 167364 181311 181584 196716 223152 241748 262288 295074 334728 362622 363168 393432 446304 450953 483496 524576 543933 590148 669456 725244 785681 786864 901906 966992 1087866 1180296 1338912 1352859 1450488 1571362 1573728 1803812 1933984 2175732 2357043 2360592 2705718 2900976 3142724 3607624 4058577 4351464 4714086 4721184 5411436 5801952 5862389 6285448 7071129 7215248 8117154 8702928 9428172 10822872 11724778 12570896 14142258 14430496 16234308 17405856 17587167 18856344 21645744 23449556 25141792 28284516 32468616 35174334 37712688 43291488 46899112 52761501 56569032 64937232 70348668 75425376 76211057 93798224 105523002 113138064 129874464 140697336 152422114 187596448 211046004 226276128 228633171 281394672 304844228 422092008 457266342 562789344 609688456 685899513 844184016 914532684 1219376912 1371799026 1688368032 1829065368 2438753824 2743598052 3658130736 5487196104 7316261472 10974392208 21948784416
• Sum of all divisors σ(n): 68298948900
• Sum of proper divisors (its aliquot sum) s(n): 46350164484
• 21948784416 is an abundant number, because the sum of its proper divisors (46350164484) is greater than itself. Its abundance is 24401380068

Bases of 21948784416

• Binary: 10100011100001111111101111100100000₂
• Hexadecimal: 0x51C3FDF20
• Base-36: A2ZQMG0

Squares and roots of 21948784416

• 21948784416 squared (21948784416²) is 481749137340044461056
• 21948784416 cubed (21948784416³) is 10573807958070611559573051703296
• The square root of 21948784416 is 148151.2214461967
• The cube root of 21948784416 is 2799.8632763169

Scales and comparisons

• 21,948,784,416 seconds is equal to 697 years, 46 weeks, 6 days, 20 hours, 33 minutes, 36 seconds.
• To count from 1 to 21,948,784,416 would take you about one thousand, three hundred ninety-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 21948784416 cubic inches would be around 233.3 feet tall.

Recreational maths with 21948784416

• 21948784416 backwards is 61448784912
• The number of decimal digits it has is: 11
• The sum of 21948784416's digits is 54
• More coming soon!