18147742488

Names of 18147742488

• Cardinal: 18147742488 can be written as Eighteen billion, one hundred forty-seven million, seven hundred forty-two thousand, four hundred eighty-eight.

Scientific notation

• Scientific notation: 1.8147742488 × 10¹⁰

Factors of 18147742488

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2171

Divisors of 18147742488

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 17 18 24 31 34 36 51 62 68 72 93 102 124 136 153 186 204 248 257 279 306 372 408 514 527 558 612 744 771 1028 1054 1116 1224 1542 1581 1861 2056 2108 2232 2313 3084 3162 3722 4216 4369 4626 4743 5583 6168 6324 7444 7967 8738 9252 9486 11166 12648 13107 14888 15934 16749 17476 18504 18972 22332 23901 26214 31637 31868 33498 34952 37944 39321 44664 47802 52428 57691 63274 63736 66996 71703 78642 94911 95604 104856 115382 126548 133992 135439 143406 157284 173073 189822 191208 230764 253096 270878 284733 286812 314568 346146 379644 406317 461528 478277 519219 541756 569466 573624 692292 759288 812634 956554 980747 1038438 1083512 1138932 1218951 1384584 1434831 1625268 1913108 1961494 2076876 2277864 2437902 2869662 2942241 3250536 3826216 3922988 4153752 4304493 4875804 5739324 5884482 7845976 8130709 8608986 8826723 9751608 11478648 11768964 14826587 16261418 17217972 17653446 23537928 24392127 29653174 32522836 34435944 35306892 44479761 48784254 59306348 65045672 70613784 73176381 88959522 97568508 118612696 133439283 146352762 177919044 195137016 252051979 266878566 292705524 355838088 504103958 533757132 585411048 756155937 1008207916 1067514264 1512311874 2016415832 2268467811 3024623748 4536935622 6049247496 9073871244 18147742488
• Sum of all divisors σ(n): 53958078720
• Sum of proper divisors (its aliquot sum) s(n): 35810336232
• 18147742488 is an abundant number, because the sum of its proper divisors (35810336232) is greater than itself. Its abundance is 17662593744

Bases of 18147742488

• Binary: 10000111001101100001001001100011000₂
• Hexadecimal: 0x439B09318
• Base-36: 8C4P3Q0

Squares and roots of 18147742488

• 18147742488 squared (18147742488²) is 329340557410760430144
• 18147742488 cubed (18147742488³) is 5976787626744860326513424758272
• The square root of 18147742488 is 134713.5571796693
• The cube root of 18147742488 is 2627.8921405799

Scales and comparisons

• 18,147,742,488 seconds is equal to 577 years, 2 weeks, 1 day, 7 hours, 34 minutes, 48 seconds.
• To count from 1 to 18,147,742,488 would take you about one thousand, one hundred fifty-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 18147742488 cubic inches would be around 219 feet tall.

Recreational maths with 18147742488

• 18147742488 backwards is 88424774181
• The number of decimal digits it has is: 11
• The sum of 18147742488's digits is 54
• More coming soon!