39990400520

Names of 39990400520

• Cardinal: 39990400520 can be written as Thirty-nine billion, nine hundred ninety million, four hundred thousand, five hundred twenty.

Scientific notation

• Scientific notation: 3.999040052 × 10¹⁰

Factors of 39990400520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 825

Divisors of 39990400520

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 31 35 40 56 62 70 124 140 155 217 248 280 310 331 434 449 620 662 868 898 961 1085 1240 1324 1655 1736 1796 1922 2170 2245 2317 2648 3143 3310 3592 3844 4340 4490 4634 4805 6286 6620 6727 7688 8680 8980 9268 9610 10261 11585 12572 13240 13454 13919 15715 17960 18536 19220 20522 23170 25144 26908 27838 31430 33635 38440 41044 46340 51305 53816 55676 62860 67270 69595 71827 82088 92680 97433 102610 111352 125720 134540 139190 143654 148619 194866 205220 269080 278380 287308 297238 318091 359135 389732 410440 431489 487165 556760 574616 594476 636182 718270 743095 779464 862978 974330 1040333 1188952 1272364 1436540 1486190 1590455 1725956 1948660 2080666 2157445 2226637 2544728 2873080 2972380 3020423 3180910 3451912 3897320 4161332 4314890 4453274 4607189 5201665 5944760 6040846 6361820 8322664 8629780 8906548 9214378 10403330 11133185 12081692 12723640 15102115 17259560 17813096 18428756 20806660 22266370 23035945 24163384 30204230 32250323 36857512 41613320 44532740 46071890 60408460 64500646 89065480 92143780 120816920 129001292 142822859 161251615 184287560 258002584 285645718 322503230 571291436 645006460 714114295 999760013 1142582872 1290012920 1428228590 1999520026 2856457180 3999040052 4998800065 5712914360 7998080104 9997600130 19995200260 39990400520
• Sum of all divisors σ(n): 106815024000
• Sum of proper divisors (its aliquot sum) s(n): 66824623480
• 39990400520 is an abundant number, because the sum of its proper divisors (66824623480) is greater than itself. Its abundance is 26834222960

Bases of 39990400520

• Binary: 100101001111100111010001011000001000₂
• Hexadecimal: 0x94F9D1608
• Base-36: IDD92IW

Squares and roots of 39990400520

• 39990400520 squared (39990400520²) is 1599232133750016270400
• 39990400520 cubed (39990400520³) is 63953933553117360209812620608000
• The square root of 39990400520 is 199975.9998599831
• The cube root of 39990400520 is 3419.6782901335

Scales and comparisons

• 39,990,400,520 seconds is equal to 1,271 years, 29 weeks, 4 days, 20 hours, 35 minutes, 20 seconds.
• To count from 1 to 39,990,400,520 would take you about two thousand, five hundred forty-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 39990400520 cubic inches would be around 285 feet tall.

Recreational maths with 39990400520

• 39990400520 backwards is 02500409993
• The number of decimal digits it has is: 11
• The sum of 39990400520's digits is 41
• More coming soon!