20929566720

Names of 20929566720

• Cardinal: 20929566720 can be written as Twenty billion, nine hundred twenty-nine million, five hundred sixty-six thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.092956672 × 10¹⁰

Factors of 20929566720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 5120

Divisors of 20929566720

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 137 160 192 240 256 274 320 384 411 480 512 548 640 685 768 822 960 1024 1096 1280 1370 1536 1644 1920 2048 2055 2192 2560 2740 3072 3288 3840 4110 4384 4973 5120 5480 6144 6576 7680 8220 8768 9946 10240 10960 13152 14919 15360 16440 17536 19892 21920 24865 26304 29838 30720 32880 35072 39784 43840 49730 52608 59676 65760 70144 74595 79568 87680 99460 105216 119352 131520 140288 149190 159136 175360 198920 210432 238704 263040 280576 298380 318272 350720 397840 420864 477408 526080 596760 636544 681301 701440 795680 841728 954816 1052160 1193520 1273088 1362602 1402880 1591360 1909632 2043903 2104320 2387040 2546176 2725204 3182720 3406505 3819264 4087806 4208640 4774080 5092352 5450408 6365440 6813010 7638528 8175612 9548160 10184704 10219515 10900816 12730880 13626020 15277056 16351224 19096320 20439030 21801632 25461760 27252040 30554112 32702448 38192640 40878060 43603264 50923520 54504080 65404896 76385280 81756120 87206528 109008160 130809792 152770560 163512240 174413056 218016320 261619584 327024480 348826112 436032640 523239168 654048960 697652224 872065280 1046478336 1308097920 1395304448 1744130560 2092956672 2616195840 3488261120 4185913344 5232391680 6976522240 10464783360 20929566720
• Sum of all divisors σ(n): 67460571360
• Sum of proper divisors (its aliquot sum) s(n): 46531004640
• 20929566720 is an abundant number, because the sum of its proper divisors (46531004640) is greater than itself. Its abundance is 25601437920

Bases of 20929566720

• Binary: 10011011111011111111101100000000000₂
• Hexadecimal: 0x4DF7FD800
• Base-36: 9M4X91C

Squares and roots of 20929566720

• 20929566720 squared (20929566720²) is 438046763086931558400
• 20929566720 cubed (20929566720³) is 9168128954507967211606376448000
• The square root of 20929566720 is 144670.5454472333
• The cube root of 20929566720 is 2755.8362758677

Scales and comparisons

• 20,929,566,720 seconds is equal to 665 years, 25 weeks, 5 days, 8 hours, 32 minutes.
• To count from 1 to 20,929,566,720 would take you about one thousand, three hundred thirty 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 20929566720 cubic inches would be around 229.7 feet tall.

Recreational maths with 20929566720

• 20929566720 backwards is 02766592902
• 20929566720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20929566720's digits is 48
• More coming soon!