21319843760

Names of 21319843760

• Cardinal: 21319843760 can be written as Twenty-one billion, three hundred nineteen million, eight hundred forty-three thousand, seven hundred sixty.

Scientific notation

• Scientific notation: 2.131984376 × 10¹⁰

Factors of 21319843760

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4277

Divisors of 21319843760

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 38 40 43 76 79 80 86 95 152 158 172 190 215 304 316 344 380 395 430 632 688 760 790 817 860 1264 1501 1520 1580 1634 1720 3002 3160 3268 3397 3440 4085 4129 6004 6320 6536 6794 7505 8170 8258 12008 13072 13588 15010 16340 16516 16985 20645 24016 27176 30020 32680 33032 33970 41290 54352 60040 64543 65360 66064 67940 78451 82580 120080 129086 135880 156902 165160 177547 258172 271760 313804 322715 326191 330320 355094 392255 516344 627608 645430 652382 710188 784510 887735 1032688 1255216 1290860 1304764 1420376 1569020 1630955 1775470 2581720 2609528 2840752 3138040 3261910 3373393 3550940 5163440 5219056 6197629 6276080 6523820 6746786 7101880 12395258 13047640 13493572 14026213 14203760 16866965 24790516 26095280 26987144 28052426 30988145 33733930 49581032 53974288 56104852 61976290 67467860 70131065 99162064 112209704 123952580 134935720 140262130 224419408 247905160 266498047 269871440 280524260 495810320 532996094 561048520 1065992188 1122097040 1332490235 2131984376 2664980470 4263968752 5329960940 10659921880 21319843760
• Sum of all divisors σ(n): 54079872000
• Sum of proper divisors (its aliquot sum) s(n): 32760028240
• 21319843760 is an abundant number, because the sum of its proper divisors (32760028240) is greater than itself. Its abundance is 11440184480

Bases of 21319843760

• Binary: 10011110110110000101111111110110000₂
• Hexadecimal: 0x4F6C2FFB0
• Base-36: 9SLA8Q8

Squares and roots of 21319843760

• 21319843760 squared (21319843760²) is 454535737950810937600
• 21319843760 cubed (21319843760³) is 9690630916447591754931109376000
• The square root of 21319843760 is 146013.1629682749
• The cube root of 21319843760 is 2772.8604024115

Scales and comparisons

• 21,319,843,760 seconds is equal to 677 years, 47 weeks, 10 hours, 49 minutes, 20 seconds.
• To count from 1 to 21,319,843,760 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 21319843760 cubic inches would be around 231.1 feet tall.

Recreational maths with 21319843760

• 21319843760 backwards is 06734891312
• The number of decimal digits it has is: 11
• The sum of 21319843760's digits is 44
• More coming soon!