42840791868

Names of 42840791868

• Cardinal: 42840791868 can be written as Forty-two billion, eight hundred forty million, seven hundred ninety-one thousand, eight hundred sixty-eight.

Scientific notation

• Scientific notation: 4.2840791868 × 10¹⁰

Factors of 42840791868

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 199

Divisors of 42840791868

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 7 12 14 21 28 31 42 62 67 84 89 93 124 134 178 186 201 217 267 268 356 372 402 434 469 534 623 651 804 868 938 961 1068 1246 1302 1407 1869 1876 1922 2077 2492 2604 2759 2814 2883 3738 3844 4154 5518 5628 5766 5963 6231 6727 7476 7921 8277 8308 11036 11532 11926 12462 13454 14539 15842 16554 17889 19313 20181 23763 23852 24924 26908 29078 31684 33108 35778 38626 40362 41741 43617 47526 55447 57939 58156 64387 71556 77252 80724 83482 85529 87234 95052 110894 115878 125223 128774 166341 166964 171058 174468 184853 193161 221788 231756 245551 250446 256587 257548 332682 342116 369706 386322 450709 491102 500892 513174 530707 554559 598703 665364 736653 739412 772644 901418 982204 1026348 1061414 1109118 1197406 1293971 1352127 1473306 1592121 1718857 1796109 1802836 2122828 2218236 2394812 2587942 2704254 2946612 3184242 3437714 3592218 3714949 3881913 5156571 5175884 5408508 5730443 6368484 6875428 7184436 7429898 7612081 7763826 10313142 11144847 11460886 14859796 15224162 15527652 16451917 17191329 20626284 22289694 22836243 22921772 30448324 32903834 34382658 40113101 44579388 45672486 49355751 53284567 65807668 68765316 80226202 91344972 98711502 106569134 115163419 120339303 159853701 160452404 197423004 213138268 230326838 240678606 319707402 345490257 460653676 481357212 510009427 639414804 690980514 1020018854 1381961028 1530028281 2040037708 3060056562 3570065989 6120113124 7140131978 10710197967 14280263956 21420395934 42840791868
• Sum of all divisors σ(n): 121169387136
• Sum of proper divisors (its aliquot sum) s(n): 78328595268
• 42840791868 is an abundant number, because the sum of its proper divisors (78328595268) is greater than itself. Its abundance is 35487803400

Bases of 42840791868

• Binary: 100111111001100000101001101100111100₂
• Hexadecimal: 0x9F9829B3C
• Base-36: JOIAUKC

Squares and roots of 42840791868

• 42840791868 squared (42840791868²) is 1835333447877294929424
• 42840791868 cubed (42840791868³) is 78627138248890018474305333124032
• The square root of 42840791868 is 206980.1726446279
• The cube root of 42840791868 is 3499.0689188089

Scales and comparisons

• 42,840,791,868 seconds is equal to 1,362 years, 10 weeks, 4 days, 11 hours, 57 minutes, 48 seconds.
• To count from 1 to 42,840,791,868 would take you about two thousand, seven hundred twenty-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 42840791868 cubic inches would be around 291.6 feet tall.

Recreational maths with 42840791868

• 42840791868 backwards is 86819704824
• The number of decimal digits it has is: 11
• The sum of 42840791868's digits is 57
• More coming soon!