21130681600

Names of 21130681600

• Cardinal: 21130681600 can be written as Twenty-one billion, one hundred thirty million, six hundred eighty-one thousand, six hundred.

Scientific notation

• Scientific notation: 2.11306816 × 10¹⁰

Factors of 21130681600

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1624

Divisors of 21130681600

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 43 49 50 56 64 70 80 86 98 100 112 128 140 160 172 175 196 200 215 224 245 256 280 301 320 344 350 392 400 430 448 490 560 602 640 688 700 784 800 860 896 980 1075 1120 1204 1225 1280 1376 1400 1505 1567 1568 1600 1720 1792 1960 2107 2150 2240 2408 2450 2752 2800 3010 3134 3136 3200 3440 3920 4214 4300 4480 4816 4900 5504 5600 6020 6268 6272 6400 6880 7525 7835 7840 8428 8600 8960 9632 9800 10535 10969 11008 11200 12040 12536 12544 13760 15050 15670 15680 16856 17200 19264 19600 21070 21938 22400 24080 25072 27520 30100 31340 31360 33712 34400 38528 39175 39200 42140 43876 44800 48160 50144 52675 54845 55040 60200 62680 62720 67381 67424 68800 76783 77056 78350 78400 84280 87752 96320 100288 105350 109690 120400 125360 134762 134848 137600 153566 156700 156800 168560 175504 192640 200576 210700 219380 240800 250720 269524 269696 274225 275200 307132 313400 313600 336905 337120 351008 383915 385280 401152 421400 438760 471667 481600 501440 539048 539392 548450 614264 626800 673810 674240 702016 767830 842800 877520 943334 963200 1002880 1078096 1096900 1228528 1253600 1347620 1348480 1404032 1535660 1684525 1685600 1755040 1886668 1919575 1926400 2005760 2156192 2193800 2358335 2457056 2507200 2695240 2696960 2808064 3071320 3301669 3369050 3371200 3510080 3773336 3839150 4312384 4387600 4716670 4914112 5014400 5390480 6142640 6603338 6738100 6742400 7020160 7546672 7678300 8624768 8775200 9433340 9828224 10028800 10780960 11791675 12285280 13206676 13476200 13484800 14040320 15093344 15356600 16508345 17249536 17550400 18866680 19656448 21561920 23583350 24570560 26413352 26952400 30186688 30713200 33016690 35100800 37733360 43123840 47166700 49141120 52826704 53904800 60373376 61426400 66033380 70201600 75466720 82541725 86247680 94333400 98282240 105653408 107809600 120746752 122852800 132066760 150933440 165083450 188666800 211306816 215619200 245705600 264133520 301866880 330166900 377333600 422613632 431238400 491411200 528267040 603733760 660333800 754667200 845227264 1056534080 1320667600 1509334400 2113068160 2641335200 3018668800 4226136320 5282670400 10565340800 21130681600
• Sum of all divisors σ(n): 62295429504
• Sum of proper divisors (its aliquot sum) s(n): 41164747904
• 21130681600 is an abundant number, because the sum of its proper divisors (41164747904) is greater than itself. Its abundance is 20034066304

Bases of 21130681600

• Binary: 10011101011011111001001110100000000₂
• Hexadecimal: 0x4EB7C9D00
• Base-36: 9PGNU9S

Squares and roots of 21130681600

• 21130681600 squared (21130681600²) is 446505704880578560000
• 21130681600 cubed (21130681600³) is 9434969882415071575146496000000
• The square root of 21130681600 is 145363.9625216649
• The cube root of 21130681600 is 2764.6352133189

Scales and comparisons

• 21,130,681,600 seconds is equal to 671 years, 46 weeks, 2 days, 1 hour, 46 minutes, 40 seconds.
• To count from 1 to 21,130,681,600 would take you about one thousand, three hundred forty-three 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 21130681600 cubic inches would be around 230.4 feet tall.

Recreational maths with 21130681600

• 21130681600 backwards is 00618603112
• 21130681600 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21130681600's digits is 28
• More coming soon!