20427405856

Names of 20427405856

• Cardinal: 20427405856 can be written as Twenty billion, four hundred twenty-seven million, four hundred five thousand, eight hundred fifty-six.

Scientific notation

• Scientific notation: 2.0427405856 × 10¹⁰

Factors of 20427405856

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 129

Divisors of 20427405856

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 8 11 13 16 19 22 26 31 32 38 44 52 53 62 76 88 104 106 121 124 143 152 169 176 208 209 212 242 247 248 286 304 338 341 352 403 416 418 424 484 494 496 572 583 589 608 676 682 689 806 836 848 968 988 992 1007 1144 1166 1178 1352 1364 1378 1573 1612 1643 1672 1696 1859 1936 1976 2014 2288 2299 2332 2356 2704 2717 2728 2756 3146 3211 3224 3286 3344 3718 3751 3872 3952 4028 4433 4576 4598 4664 4712 5239 5408 5434 5456 5512 6292 6413 6422 6448 6479 6572 6688 7436 7502 7579 7657 7904 8056 8866 8957 9196 9328 9424 10478 10868 10912 11024 11077 12584 12826 12844 12896 12958 13091 13144 14872 15004 15158 15314 16112 17732 17914 18073 18392 18656 18848 20449 20956 21359 21736 22048 22154 25168 25652 25688 25916 26182 26288 29744 29887 30008 30316 30628 31217 32224 35321 35464 35828 36146 36784 40898 41912 42718 43472 44308 48763 50336 51304 51376 51832 52364 52576 57629 59488 59774 60016 60632 61256 62434 70642 70928 71269 71656 72292 73568 81796 83369 83824 84227 85436 86944 88616 97526 98527 99541 102608 102752 103664 104728 115258 119548 120032 121264 121847 122512 124868 141284 141856 142538 143312 144001 144584 163592 166738 167648 168454 170183 170872 177232 195052 197054 198803 199082 205216 207328 209456 230516 234949 239096 242528 243694 245024 249736 277667 282568 285076 286624 288002 289168 327184 333476 336908 340366 341744 343387 354464 388531 390104 394108 397606 398164 405821 418912 461032 469898 478192 487388 499472 555334 565136 570152 576004 578336 633919 654368 666952 673816 680732 683488 686774 777062 780208 788216 795212 796328 811642 922064 926497 939796 956384 974776 998944 1083797 1094951 1110668 1130272 1140304 1152008 1267838 1333904 1347632 1361464 1373548 1554124 1560416 1576432 1584011 1590424 1592656 1623284 1844128 1852994 1872013 1879592 1949552 2167594 2189902 2221336 2280608 2304016 2535676 2584439 2667808 2695264 2722928 2747096 3054337 3108248 3152864 3168022 3180848 3185312 3246568 3705988 3744026 3759184 3777257 3899104 4335188 4379804 4442672 4464031 4608032 5071352 5168878 5275673 5445856 5494192 6108674 6216496 6336044 6361696 6493136 7411976 7488052 7518368 7554514 8670376 8759608 8885344 8928062 10142704 10337756 10551346 10988384 12044461 12217348 12432992 12672088 12986272 14823952 14976104 15109028 17340752 17519216 17856124 20285408 20592143 20675512 21102692 24088922 24434696 25344176 29647904 29952208 30218056 33597707 34681504 35038432 35712248 41184286 41351024 42205384 48177844 48869392 49104341 50688352 58032403 59904416 60436112 67195414 71424496 82368572 82702048 84410768 96355688 97738784 98208682 116064806 120872224 134390828 142848992 164737144 168821536 192711376 196417364 232129612 268781656 329474288 385422752 392834728 464259224 537563312 638356433 658948576 785669456 928518448 1075126624 1276712866 1571338912 1857036896 2553425732 5106851464 10213702928 20427405856
• Sum of all divisors σ(n): 52992817920
• Sum of proper divisors (its aliquot sum) s(n): 32565412064
• 20427405856 is an abundant number, because the sum of its proper divisors (32565412064) is greater than itself. Its abundance is 12138006208

Bases of 20427405856

• Binary: 10011000001100100010111101000100000₂
• Hexadecimal: 0x4C1917A20
• Base-36: 9DTY78G

Squares and roots of 20427405856

• 20427405856 squared (20427405856²) is 417278910005743092736
• 20427405856 cubed (20427405856³) is 8523925649836613446186917462016
• The square root of 20427405856 is 142924.4760564123
• The cube root of 20427405856 is 2733.6174569347

Scales and comparisons

• 20,427,405,856 seconds is equal to 649 years, 27 weeks, 3 days, 7 hours, 24 minutes, 16 seconds.
• To count from 1 to 20,427,405,856 would take you about one thousand, two hundred ninety-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 20427405856 cubic inches would be around 227.8 feet tall.

Recreational maths with 20427405856

• 20427405856 backwards is 65850472402
• The number of decimal digits it has is: 11
• The sum of 20427405856's digits is 43
• More coming soon!