42728987808

Names of 42728987808

• Cardinal: 42728987808 can be written as Forty-two billion, seven hundred twenty-eight million, nine hundred eighty-seven thousand, eight hundred eight.

Scientific notation

• Scientific notation: 4.2728987808 × 10¹⁰

Factors of 42728987808

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 140915

Divisors of 42728987808

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 72 78 81 96 104 108 117 144 156 162 208 216 234 243 288 312 324 351 416 432 468 486 624 648 702 729 864 936 972 1053 1248 1296 1404 1458 1872 1944 2106 2592 2808 2916 3159 3744 3888 4212 5616 5832 6318 7776 8424 9477 11232 11664 12636 16848 18954 23328 25272 33696 37908 50544 75816 101088 140897 151632 281794 303264 422691 563588 845382 1127176 1268073 1690764 1831661 2254352 2536146 3381528 3663322 3804219 4508704 5072292 5494983 6763056 7326644 7608438 10144584 10989966 11412657 13526112 14653288 15216876 16484949 20289168 21979932 22825314 29306576 30433752 32969898 34237971 40578336 43959864 45650628 49454847 58613152 60867504 65939796 68475942 87919728 91301256 98909694 102713913 121735008 131879592 136951884 148364541 175839456 182602512 197819388 205427826 263759184 273903768 296729082 365205024 395638776 410855652 445093623 527518368 547807536 593458164 791277552 821711304 890187246 1095615072 1186916328 1335280869 1582555104 1643422608 1780374492 2373832656 2670561738 3286845216 3560748984 4747665312 5341123476 7121497968 10682246952 14242995936 21364493904 42728987808
• Sum of all divisors σ(n): 135829335348
• Sum of proper divisors (its aliquot sum) s(n): 93100347540
• 42728987808 is an abundant number, because the sum of its proper divisors (93100347540) is greater than itself. Its abundance is 50371359732

Bases of 42728987808

• Binary: 100111110010110110001001110010100000₂
• Hexadecimal: 0x9F2D89CA0
• Base-36: JMNQI00

Squares and roots of 42728987808

• 42728987808 squared (42728987808²) is 1825766399096212644864
• 42728987808 cubed (42728987808³) is 78013150207238132321369289818112
• The square root of 42728987808 is 206709.9122151621
• The cube root of 42728987808 is 3496.0223603797

Scales and comparisons

• 42,728,987,808 seconds is equal to 1,358 years, 33 weeks, 5 days, 11 hours, 16 minutes, 48 seconds.
• To count from 1 to 42,728,987,808 would take you about two thousand, seven hundred seventeen 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 42728987808 cubic inches would be around 291.3 feet tall.

Recreational maths with 42728987808

• 42728987808 backwards is 80878982724
• The number of decimal digits it has is: 11
• The sum of 42728987808's digits is 63
• More coming soon!