61391368808

Names of 61391368808

• Cardinal: 61391368808 can be written as Sixty-one billion, three hundred ninety-one million, three hundred sixty-eight thousand, eight hundred eight.

Scientific notation

• Scientific notation: 6.1391368808 × 10¹⁰

Factors of 61391368808

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 696

Divisors of 61391368808

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 7 8 11 14 22 28 29 37 44 56 58 74 77 88 116 148 154 203 232 259 293 296 308 317 319 406 407 518 586 616 634 638 812 814 1036 1073 1172 1268 1276 1624 1628 2051 2072 2146 2219 2233 2344 2536 2552 2849 3223 3256 3487 4102 4292 4438 4466 5698 6446 6974 7511 8204 8497 8584 8876 8932 9193 10841 11396 11729 11803 12892 13948 15022 16408 16994 17752 17864 18386 21682 22561 22792 23458 23606 24409 25784 27896 30044 33988 36772 43364 45122 46916 47212 48818 59479 60088 64351 67976 73544 75887 82103 82621 86728 90244 92881 93467 93832 94424 97636 101123 118958 119251 128702 129019 151774 164206 165242 180488 185762 186934 195272 202246 237916 238502 257404 258038 303548 314389 328412 330484 340141 371524 373868 404492 475832 477004 514808 516076 607096 628778 650167 654269 656824 660968 680282 707861 743048 747736 808984 834757 903133 954008 1021691 1032152 1257556 1300334 1308538 1360564 1415722 1669514 1806266 2043382 2200723 2380987 2515112 2600668 2617076 2693549 2721128 2831444 3339028 3436597 3458279 3612532 3741551 4086764 4401446 4761974 5201336 5234152 5387098 5662888 6678056 6873194 6916558 7151837 7225064 7483102 8173528 8802892 9523948 10774196 13746388 13833116 14303674 14966204 17605784 18854843 19047896 21548392 24056179 24207953 26190857 27492776 27666232 28607348 29629039 29932408 37709686 37802567 48112358 48415906 52381714 57214696 59258078 75419372 75605134 96224716 96831812 99661313 104763428 118516156 150838744 151210268 192449432 193663624 199322626 207403273 209526856 237032312 264617969 302420536 398645252 414806546 529235938 697629191 797290504 829613092 1058471876 1096274443 1395258382 1659226184 2116943752 2192548886 2790516764 4385097772 5581033528 7673921101 8770195544 15347842202 30695684404 61391368808
• Sum of all divisors σ(n): 153476467200
• Sum of proper divisors (its aliquot sum) s(n): 92085098392
• 61391368808 is an abundant number, because the sum of its proper divisors (92085098392) is greater than itself. Its abundance is 30693729584

Bases of 61391368808

• Binary: 111001001011001101011111001001101000₂
• Hexadecimal: 0xE4B35F268
• Base-36: S7AU3C8

Squares and roots of 61391368808

• 61391368808 squared (61391368808²) is 3768900164119875340864
• 61391368808 cubed (61391368808³) is 231377939976014995773966537370112
• The square root of 61391368808 is 247772.8169271197
• The cube root of 61391368808 is 3944.8979431427

Scales and comparisons

• 61,391,368,808 seconds is equal to 1,952 years, 2 weeks, 6 days, 6 hours, 8 seconds.
• To count from 1 to 61,391,368,808 would take you about three thousand, nine hundred four 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 61391368808 cubic inches would be around 328.7 feet tall.

Recreational maths with 61391368808

• 61391368808 backwards is 80886319316
• The number of decimal digits it has is: 11
• The sum of 61391368808's digits is 53
• More coming soon!