40421938128

Names of 40421938128

• Cardinal: 40421938128 can be written as Forty billion, four hundred twenty-one million, nine hundred thirty-eight thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 4.0421938128 × 10¹⁰

Factors of 40421938128

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 190027

Divisors of 40421938128

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 11 12 13 16 22 24 26 31 33 39 44 48 52 62 66 78 88 93 104 124 132 143 156 176 186 208 248 264 286 312 341 372 403 429 496 528 572 624 682 744 806 858 1023 1144 1209 1364 1488 1612 1716 2046 2288 2418 2728 3224 3432 4092 4433 4836 5456 6448 6864 8184 8866 9672 13299 16368 17732 19344 26598 35464 53196 70928 106392 189967 212784 379934 569901 759868 1139802 1519736 2089637 2279604 2469571 3039472 4179274 4559208 4939142 5888977 6268911 7408713 8358548 9118416 9878284 11777954 12537822 14817426 16717096 17666931 19756568 23555908 25075644 27165281 29634852 33434192 35333862 39513136 47111816 50151288 54330562 59269704 64778747 70667724 76556701 81495843 94223632 100302576 108661124 118539408 129557494 141335448 153113402 162991686 194336241 217322248 229670103 259114988 282670896 306226804 325983372 388672482 434644496 459340206 518229976 612453608 651966744 777344964 842123711 918680412 1036459952 1224907216 1303933488 1554689928 1684247422 1837360824 2526371133 3109379856 3368494844 3674721648 5052742266 6736989688 10105484532 13473979376 20210969064 40421938128
• Sum of all divisors σ(n): 126637228032
• Sum of proper divisors (its aliquot sum) s(n): 86215289904
• 40421938128 is an abundant number, because the sum of its proper divisors (86215289904) is greater than itself. Its abundance is 45793351776

Bases of 40421938128

• Binary: 100101101001010101011101001111010000₂
• Hexadecimal: 0x96955D3D0
• Base-36: IKI6F2O

Squares and roots of 40421938128

• 40421938128 squared (40421938128²) is 1633933082023860144384
• 40421938128 cubed (40421938128³) is 66046741946860823776015194673152
• The square root of 40421938128 is 201052.0781489215
• The cube root of 40421938128 is 3431.9349249511

Scales and comparisons

• 40,421,938,128 seconds is equal to 1,285 years, 15 weeks, 1 day, 12 hours, 8 minutes, 48 seconds.
• To count from 1 to 40,421,938,128 would take you about two thousand, five hundred seventy 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 40421938128 cubic inches would be around 286 feet tall.

Recreational maths with 40421938128

• 40421938128 backwards is 82183912404
• The number of decimal digits it has is: 11
• The sum of 40421938128's digits is 42
• More coming soon!