20720121568860736

Names of 20720121568860736

• Cardinal: 20720121568860736 can be written as Twenty quadrillion, seven hundred twenty trillion, one hundred twenty-one billion, five hundred sixty-eight million, eight hundred sixty thousand, seven hundred thirty-six.

Scientific notation

• Scientific notation: 2.0720121568860736 × 10¹⁶

Factors of 20720121568860736

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 71155

Divisors of 20720121568860736

• Number of divisors d(n): 189
• Complete list of divisors:
  1 2 4 8 11 16 22 23 32 44 46 64 88 92 121 176 184 242 253 352 368 484 506 529 704 736 968 1012 1058 1472 1936 2024 2116 2783 3872 4048 4232 5566 5819 7744 8096 8464 11132 11638 16192 16928 22264 23276 33856 44528 46552 64009 71119 89056 93104 128018 142238 178112 186208 256036 284476 372416 512072 568952 782309 1024144 1137904 1564618 1635737 2048288 2275808 3129236 3271474 4096576 4551616 6258472 6542948 8605399 12516944 13085896 17210798 17993107 25033888 26171792 34421596 35986214 37621951 50067776 52343584 68843192 71972428 75243902 104687168 137686384 143944856 150487804 197924177 275372768 287889712 300975608 395848354 413841461 550745536 575779424 601951216 791696708 827682922 1151558848 1203902432 1583393416 1655365844 2407804864 3166786832 3310731688 4552256071 5057912161 6333573664 6621463376 9104512142 10115824322 12667147328 13242926752 18209024284 20231648644 26485853504 36418048568 40463297288 55637033771 72836097136 80926594576 111274067542 116331979703 145672194272 161853189152 222548135084 232663959406 291344388544 323706378304 445096270168 465327918812 612007371481 890192540336 930655837624 1224014742962 1279651776733 1780385080672 1861311675248 2448029485924 2559303553466 2675635533169 3560770161344 3722623350496 4896058971848 5118607106932 5351271066338 7445246700992 9792117943696 10237214213864 10702542132676 14076169544063 19584235887392 20474428427728 21405084265352 28152339088126 29431990864859 39168471774784 40948856855456 42810168530704 56304678176252 58863981729718 81897713710912 85620337061408 112609356352504 117727963459436 171240674122816 225218712705008 235455926918872 323751899513449 450437425410016 470911853837744 647503799026898 900874850820032 941823707675488 1295007598053796 1883647415350976 2590015196107592 5180030392215184 10360060784430368 20720121568860736
• Sum of all divisors σ(n): 47245220766452163
• Sum of proper divisors (its aliquot sum) s(n): 26525099197591427
• 20720121568860736 is an abundant number, because the sum of its proper divisors (26525099197591427) is greater than itself. Its abundance is 5804977628730691

Bases of 20720121568860736

• Binary: 1001001100111001101011100111101110100001001101001000000₂
• Hexadecimal: 0x499CD73DD09A40
• Base-36: 5O0O4FWEWXS

Squares and roots of 20720121568860736

• 20720121568860736 squared (20720121568860736²) is 429323437828367887740648962461696
• 20720121568860736 cubed (20720121568860736³) is 8895633824165006691596261419641744888812758368256
• 20720121568860736 is a perfect square number. Its square root is 143944856
• The cube root of 20720121568860736 is 274661.2758220043

Scales and comparisons

• 20,720,121,568,860,736 seconds is equal to 658,835,774 years, 17 weeks, 6 days, 19 hours, 32 minutes, 16 seconds.
• To count from 1 to 20,720,121,568,860,736 would take you about one billion, nine hundred seventy-six million, five hundred seven thousand, three hundred twenty-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 20720121568860736 cubic inches would be around 22888.4 feet tall.

Recreational maths with 20720121568860736

• 20720121568860736 backwards is 63706886512102702
• 20720121568860736 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 20720121568860736's digits is 64
• More coming soon!