20729394312

Names of 20729394312

• Cardinal: 20729394312 can be written as Twenty billion, seven hundred twenty-nine million, three hundred ninety-four thousand, three hundred twelve.

Scientific notation

• Scientific notation: 2.0729394312 × 10¹⁰

Factors of 20729394312

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2931

Divisors of 20729394312

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 11 12 17 22 24 33 34 44 51 66 68 88 97 102 132 136 187 194 204 264 289 291 374 388 408 561 578 582 748 776 867 1067 1122 1156 1164 1496 1649 1734 2134 2244 2312 2328 2801 3179 3201 3298 3468 4268 4488 4947 5602 6358 6402 6596 6936 8403 8536 9537 9894 11204 12716 12804 13192 16806 18139 19074 19788 22408 25432 25608 28033 30811 33612 36278 38148 39576 47617 54417 56066 61622 67224 72556 76296 84099 92433 95234 108834 112132 123244 142851 145112 168198 184866 190468 217668 224264 246488 271697 285702 308363 336396 369732 380936 435336 523787 543394 571404 616726 672792 739464 809489 815091 925089 1047574 1086788 1142808 1233452 1571361 1618978 1630182 1850178 2095148 2173576 2428467 2466904 2988667 3142722 3237956 3260364 3700356 4190296 4618849 4856934 5977334 6285444 6475912 6520728 7400712 8904379 8966001 9237698 9713868 11954668 12570888 13856547 17808758 17932002 18475396 19427736 23909336 26713137 27713094 35617516 35864004 36950792 50807339 53426274 55426188 71235032 71728008 78520433 101614678 106852548 110852376 152422017 157040866 203229356 213705096 235561299 304844034 314081732 406458712 471122598 609688068 628163464 863724763 942245196 1219376136 1727449526 1884490392 2591174289 3454899052 5182348578 6909798104 10364697156 20729394312
• Sum of all divisors σ(n): 60696699840
• Sum of proper divisors (its aliquot sum) s(n): 39967305528
• 20729394312 is an abundant number, because the sum of its proper divisors (39967305528) is greater than itself. Its abundance is 19237911216

Bases of 20729394312

• Binary: 10011010011100100010111010010001000₂
• Hexadecimal: 0x4D3917488
• Base-36: 9ITQV0O

Squares and roots of 20729394312

• 20729394312 squared (20729394312²) is 429707788542377953344
• 20729394312 cubed (20729394312³) is 8907582187632468317003314979328
• The square root of 20729394312 is 143977.0617563785
• The cube root of 20729394312 is 2747.0224217799

Scales and comparisons

• 20,729,394,312 seconds is equal to 659 years, 6 weeks, 5 days, 13 hours, 5 minutes, 12 seconds.
• To count from 1 to 20,729,394,312 would take you about one thousand, three hundred eighteen 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 20729394312 cubic inches would be around 228.9 feet tall.

Recreational maths with 20729394312

• 20729394312 backwards is 21349392702
• The number of decimal digits it has is: 11
• The sum of 20729394312's digits is 42
• More coming soon!