71239968128

Names of 71239968128

• Cardinal: 71239968128 can be written as Seventy-one billion, two hundred thirty-nine million, nine hundred sixty-eight thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 7.1239968128 × 10¹⁰

Factors of 71239968128

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 853

Divisors of 71239968128

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 7 8 14 16 28 31 32 37 56 62 64 74 103 112 124 128 148 206 217 224 248 259 296 412 434 448 496 518 592 673 721 824 868 896 992 1036 1147 1184 1346 1442 1648 1736 1984 2072 2294 2368 2692 2884 3193 3296 3472 3811 3968 4144 4588 4711 4736 5384 5768 6386 6592 6944 7622 8029 8288 9176 9422 10768 11536 12772 13184 13888 15244 16058 16576 18352 18844 20863 21536 22351 23072 24901 25544 26677 27776 30488 32116 33152 36704 37688 41726 43072 44702 46144 49802 51088 53354 60976 64232 69319 73408 75376 83452 86144 89404 92288 99604 102176 106708 118141 121952 128464 138638 146041 146816 150752 166904 174307 178808 199208 204352 213416 236282 243904 256928 277276 292082 301504 333808 348614 357616 398416 408704 426832 472564 485233 487808 513856 554552 584164 603008 667616 697228 715232 771931 796832 826987 853664 945128 970466 1027712 1109104 1168328 1335232 1394456 1430464 1543862 1593664 1653974 1707328 1890256 1940932 2148889 2218208 2336656 2564803 2670464 2788912 2860928 3087724 3187328 3307948 3414656 3780512 3881864 4297778 4436416 4673312 5129606 5403517 5577824 6175448 6615896 7561024 7763728 8595556 8872832 9346624 10259212 10807034 11155648 12350896 13231792 15042223 15122048 15527456 17191112 17953621 18693248 20518424 21614068 22311296 24701792 26463584 30084446 31054912 34382224 35907242 41036848 43228136 49403584 52927168 60168892 62109824 68764448 71814484 79508893 82073696 86456272 98807168 105854336 120337784 137528896 143628968 159017786 164147392 172912544 240675568 275057792 287257936 318035572 328294784 345825088 481351136 556562251 574515872 636071144 691650176 962702272 1113124502 1149031744 1272142288 1925404544 2226249004 2298063488 2544284576 4452498008 5088569152 8904996016 10177138304 17809992032 35619984064 71239968128
• Sum of all divisors σ(n): 173882941440
• Sum of proper divisors (its aliquot sum) s(n): 102642973312
• 71239968128 is an abundant number, because the sum of its proper divisors (102642973312) is greater than itself. Its abundance is 31403005184

Bases of 71239968128

• Binary: 1000010010110001110111010010110000000₂
• Hexadecimal: 0x10963BA580
• Base-36: WQ6FR7K

Squares and roots of 71239968128

• 71239968128 squared (71239968128²) is 5075133058878455824384
• 71239968128 cubed (71239968128³) is 361552317359860340354972125233152
• The square root of 71239968128 is 266908.1642213291
• The cube root of 71239968128 is 4145.4775940613

Scales and comparisons

• 71,239,968,128 seconds is equal to 2,265 years, 10 weeks, 6 days, 16 hours, 2 minutes, 8 seconds.
• To count from 1 to 71,239,968,128 would take you about four thousand, five 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 71239968128 cubic inches would be around 345.5 feet tall.

Recreational maths with 71239968128

• 71239968128 backwards is 82186993217
• 71239968128 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 71239968128's digits is 56
• More coming soon!