21068433120

Names of 21068433120

• Cardinal: 21068433120 can be written as Twenty-one billion, sixty-eight million, four hundred thirty-three thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.106843312 × 10¹⁰

Factors of 21068433120

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 42249

Divisors of 21068433120

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 70 80 84 96 105 112 120 140 149 160 168 210 224 240 280 298 336 420 447 480 560 596 672 745 840 894 1043 1120 1192 1490 1680 1788 2086 2235 2384 2980 3129 3360 3576 4172 4470 4768 5215 5960 6258 7152 8344 8940 10430 11920 12516 14304 15645 16688 17880 20860 23840 25032 31290 33376 35760 41720 42083 50064 62580 71520 83440 84166 100128 125160 126249 166880 168332 210415 250320 252498 294581 336664 420830 500640 504996 589162 631245 673328 841660 883743 1009992 1178324 1262490 1346656 1472905 1683320 1767486 2019984 2356648 2524980 2945810 3366640 3534972 4039968 4418715 4713296 5049960 5891620 6270367 6733280 7069944 8837430 9426592 10099920 11783240 12540734 14139888 17674860 18811101 20199840 23566480 25081468 28279776 31351835 35349720 37622202 43892569 47132960 50162936 62703670 70699440 75244404 87785138 94055505 100325872 125407340 131677707 141398880 150488808 175570276 188111010 200651744 219462845 250814680 263355414 300977616 351140552 376222020 438925690 501629360 526710828 601955232 658388535 702281104 752444040 877851380 1003258720 1053421656 1316777070 1404562208 1504888080 1755702760 2106843312 2633554140 3009776160 3511405520 4213686624 5267108280 7022811040 10534216560 21068433120
• Sum of all divisors σ(n): 76357209600
• Sum of proper divisors (its aliquot sum) s(n): 55288776480
• 21068433120 is an abundant number, because the sum of its proper divisors (55288776480) is greater than itself. Its abundance is 34220343360

Bases of 21068433120

• Binary: 10011100111110001101100011011100000₂
• Hexadecimal: 0x4E7C6C6E0
• Base-36: 9OFLN1C

Squares and roots of 21068433120

• 21068433120 squared (21068433120²) is 443878874131912934400
• 21068433120 cubed (21068433120³) is 9351832373029105716069347328000
• The square root of 21068433120 is 145149.6921112821
• The cube root of 21068433120 is 2761.9177807563

Scales and comparisons

• 21,068,433,120 seconds is equal to 669 years, 47 weeks, 2 days, 14 hours, 32 minutes.
• To count from 1 to 21,068,433,120 would take you about one thousand, three hundred thirty-nine 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 21068433120 cubic inches would be around 230.2 feet tall.

Recreational maths with 21068433120

• 21068433120 backwards is 02133486012
• 21068433120 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21068433120's digits is 30
• More coming soon!