20407479428864

Names of 20407479428864

• Cardinal: 20407479428864 can be written as Twenty trillion, four hundred seven billion, four hundred seventy-nine million, four hundred twenty-eight thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 2.0407479428864 × 10¹³

Factors of 20407479428864

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 133

Divisors of 20407479428864

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 8 11 16 22 32 41 44 64 79 82 88 121 128 158 164 176 242 256 316 328 352 451 484 632 656 704 869 902 968 1264 1312 1331 1408 1681 1738 1804 1936 2528 2624 2662 2816 3239 3362 3476 3608 3872 4961 5056 5248 5324 6478 6724 6952 7216 7744 9559 9922 10112 10496 10648 12956 13448 13904 14432 14641 15488 18491 19118 19844 20224 21296 25912 26896 27808 28864 29282 30976 35629 36982 38236 39688 42592 51824 53792 54571 55616 57728 58564 68921 71258 73964 76472 79376 85184 103648 105149 107584 109142 111232 115456 117128 132799 137842 142516 147928 152944 158752 170368 203401 207296 210298 215168 218284 222464 234256 265598 275684 285032 295856 305888 317504 340736 391919 406802 414592 420596 430336 436568 468512 531196 551368 570064 591712 600281 611776 635008 758131 783838 813604 829184 841192 873136 937024 1062392 1102736 1140128 1156639 1183424 1200562 1223552 1270016 1460789 1516262 1567676 1627208 1682384 1746272 1874048 2124784 2205472 2237411 2280256 2313278 2366848 2401124 2447104 2921578 3032524 3135352 3254416 3364768 3492544 3748096 4249568 4311109 4410944 4474822 4560512 4626556 4733696 4802248 5444759 5843156 6065048 6270704 6508832 6729536 6985088 8339441 8499136 8622218 8821888 8949644 9121024 9253112 9604496 10889518 11686312 12130096 12541408 13017664 13459072 13970176 16068679 16678882 16998272 17244436 17643776 17899288 18506224 19208992 21779036 23372624 24260192 24611521 25082816 26035328 26918144 32137358 33357764 33996544 34488872 35798576 37012448 38417984 43558072 46745248 47422199 48520384 49223042 50165632 52070656 59892349 64274716 66715528 68977744 71597152 74024896 76835968 87116144 91733851 93490496 94844398 97040768 98446084 100331264 119784698 128549432 133431056 137955488 143194304 148049792 153671936 174232288 176755469 183467702 186980992 189688796 194081536 196892168 239569396 257098864 266862112 275910976 286388608 296099584 348464576 353510938 366935404 373961984 379377592 393784336 479138792 514197728 533724224 551821952 572777216 658815839 696929152 707021876 733870808 758755184 787568672 958277584 1009072361 1028395456 1067448448 1103643904 1317631678 1393858304 1414043752 1467741616 1517510368 1575137344 1916555168 1944310159 2018144722 2056790912 2134896896 2635263356 2828087504 2935483232 3035020736 3150274688 3833110336 3888620318 4036289444 4113581824 5270526712 5656175008 5870966464 6070041472 6300549376 7246974229 7666220672 7777240636 8072578888 10541053424 11312350016 11741932928 12140082944 14493948458 15332441344 15554481272 16145157776 21082106848 22624700032 23483865856 28987896916 31108962544 32290315552 42164213696 45249400064 57975793832 62217925088 64580631104 79716716519 84328427392 115951587664 124435850176 129161262208 159433433038 168656854784 231903175328 248871700352 258322524416 318866866076 463806350656 497743400704 637733732152 927612701312 1275467464304 1855225402624 2550934928608 5101869857216 10203739714432 20407479428864
• Sum of all divisors σ(n): 46510059825600
• Sum of proper divisors (its aliquot sum) s(n): 26102580396736
• 20407479428864 is an abundant number, because the sum of its proper divisors (26102580396736) is greater than itself. Its abundance is 5695100967872

Bases of 20407479428864

• Binary: 100101000111101111100100011111110011100000000₂
• Hexadecimal: 0x128F7C8FE700
• Base-36: 78F2ECGZK

Squares and roots of 20407479428864

• 20407479428864 squared (20407479428864²) is 416465216639507331636330496
• 20407479428864 cubed (20407479428864³) is 8499005341408135109600122509062825836544
• The square root of 20407479428864 is 4517463.8270675727
• The cube root of 20407479428864 is 27327.2830910977

Scales and comparisons

• 20,407,479,428,864 seconds is equal to 648,894 years, 37 weeks, 3 days, 13 hours, 47 minutes, 44 seconds.
• To count from 1 to 20,407,479,428,864 would take you about one million, six hundred twenty-two thousand, two hundred thirty-six 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 20407479428864 cubic inches would be around 2277.3 feet tall.

Recreational maths with 20407479428864

• 20407479428864 backwards is 46882497470402
• The number of decimal digits it has is: 14
• The sum of 20407479428864's digits is 65
• More coming soon!