21680541888

Names of 21680541888

• Cardinal: 21680541888 can be written as Twenty-one billion, six hundred eighty million, five hundred forty-one thousand, eight hundred eighty-eight.

Scientific notation

• Scientific notation: 2.1680541888 × 10¹⁰

Factors of 21680541888

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1389

Divisors of 21680541888

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 6 8 12 16 19 23 24 32 38 46 48 57 64 69 76 92 96 114 138 152 184 192 228 233 276 304 368 437 456 466 552 608 699 736 874 912 932 1104 1109 1216 1311 1398 1472 1748 1824 1864 2208 2218 2622 2796 3327 3496 3648 3728 4416 4427 4436 5244 5359 5592 6654 6992 7456 8854 8872 10488 10718 11184 13281 13308 13984 14912 16077 17708 17744 20976 21071 21436 22368 25507 26562 26616 27968 32154 35416 35488 41952 42142 42872 44736 51014 53124 53232 63213 64308 70832 70976 76521 83904 84284 85744 101821 102028 106248 106464 126426 128616 141664 153042 168568 171488 203642 204056 212496 212928 252852 257232 258397 283328 305463 306084 337136 342976 407284 408112 424992 484633 505704 514464 516794 610926 612168 674272 775191 814568 816224 849984 969266 1011408 1028928 1033588 1221852 1224336 1348544 1453899 1550382 1629136 1632448 1938532 2022816 2067176 2443704 2448672 2907798 3100764 3258272 3877064 4045632 4134352 4887408 4897344 4909543 5815596 5943131 6201528 6516544 7754128 8268704 9774816 9819086 11631192 11886262 12403056 14728629 15508256 16537408 17829393 19549632 19638172 23262384 23772524 24806112 29457258 31016512 35658786 39276344 46524768 47545048 49612224 58914516 71317572 78552688 93049536 95090096 112919489 117829032 142635144 157105376 190180192 225838978 235658064 285270288 314210752 338758467 380360384 451677956 471316128 570540576 677516934 903355912 942632256 1141081152 1355033868 1806711824 2710067736 3613423648 5420135472 7226847296 10840270944 21680541888
• Sum of all divisors σ(n): 63335001600
• Sum of proper divisors (its aliquot sum) s(n): 41654459712
• 21680541888 is an abundant number, because the sum of its proper divisors (41654459712) is greater than itself. Its abundance is 19973917824

Bases of 21680541888

• Binary: 10100001100010000101101000011000000₂
• Hexadecimal: 0x50C42D0C0
• Base-36: 9YK196O

Squares and roots of 21680541888

• 21680541888 squared (21680541888²) is 470045896557322604544
• 21680541888 cubed (21680541888³) is 10190849749593547720945451139072
• The square root of 21680541888 is 147243.1386788533
• The cube root of 21680541888 is 2788.4105096879

Scales and comparisons

• 21,680,541,888 seconds is equal to 689 years, 19 weeks, 3 days, 4 hours, 44 minutes, 48 seconds.
• To count from 1 to 21,680,541,888 would take you about one thousand, three hundred seventy-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 21680541888 cubic inches would be around 232.4 feet tall.

Recreational maths with 21680541888

• 21680541888 backwards is 88814508612
• The number of decimal digits it has is: 11
• The sum of 21680541888's digits is 51
• More coming soon!