18387304416

Names of 18387304416

• Cardinal: 18387304416 can be written as Eighteen billion, three hundred eighty-seven million, three hundred four thousand, four hundred sixteen.

Scientific notation

• Scientific notation: 1.8387304416 × 10¹⁰

Factors of 18387304416

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4967

Divisors of 18387304416

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 19 24 26 32 36 38 39 48 52 53 57 72 76 78 96 104 106 114 117 144 152 156 159 171 208 212 228 234 247 288 304 312 318 342 416 424 456 468 477 494 608 624 636 684 689 741 848 912 936 954 988 1007 1248 1272 1368 1378 1482 1696 1824 1872 1908 1976 2014 2067 2223 2544 2736 2756 2964 3021 3744 3816 3952 4028 4134 4446 4877 5088 5472 5512 5928 6042 6201 7632 7904 8056 8268 8892 9063 9754 11024 11856 12084 12402 13091 14631 15264 16112 16536 17784 18126 19508 22048 23712 24168 24804 26182 29262 32224 33072 35568 36252 39016 39273 43893 48336 49608 52364 58524 63401 66144 71136 72504 78032 78546 87786 92663 96672 99216 104728 117048 117819 126802 145008 156064 157092 175572 185326 190203 198432 209456 234096 235638 253604 258481 277989 290016 314184 351144 370652 380406 418912 468192 471276 507208 516962 555978 570609 628368 702288 741304 760812 775443 833967 942552 1014416 1033924 1111956 1141218 1204619 1256736 1404576 1482608 1521624 1550886 1667934 1885104 2028832 2067848 2223912 2282436 2326329 2409238 2965216 3043248 3101772 3335868 3360253 3613857 3770208 4135696 4447824 4564872 4652658 4818476 4911139 6086496 6203544 6671736 6720506 7227714 8271392 8895648 9129744 9305316 9636952 9822278 10080759 10841571 12407088 13343472 13441012 14455428 14733417 18259488 18610632 19273904 19644556 20161518 21683142 24814176 26686944 26882024 28910856 29466834 30242277 37221264 38547808 39289112 40323036 43366284 44200251 53764048 57821712 58933668 60484554 63844807 74442528 78578224 80646072 86732568 88400502 107528096 115643424 117867336 120969108 127689614 157156448 161292144 173465136 176801004 191534421 235734672 241938216 255379228 322584288 346930272 353602008 383068842 471469344 483876432 510758456 574603263 707204016 766137684 967752864 1021516912 1149206526 1414408032 1532275368 2043033824 2298413052 3064550736 4596826104 6129101472 9193652208 18387304416
• Sum of all divisors σ(n): 60405639840
• Sum of proper divisors (its aliquot sum) s(n): 42018335424
• 18387304416 is an abundant number, because the sum of its proper divisors (42018335424) is greater than itself. Its abundance is 23631031008

Bases of 18387304416

• Binary: 10001000111111101111111111111100000₂
• Hexadecimal: 0x447F7FFE0
• Base-36: 8G3BQW0

Squares and roots of 18387304416

• 18387304416 squared (18387304416²) is 338092963686653101056
• 18387304416 cubed (18387304416³) is 6216618244214124205307083063296
• The square root of 18387304416 is 135599.7950440927
• The cube root of 18387304416 is 2639.4049209705

Scales and comparisons

• 18,387,304,416 seconds is equal to 584 years, 34 weeks, 2 days, 33 minutes, 36 seconds.
• To count from 1 to 18,387,304,416 would take you about one thousand, one hundred sixty-nine 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 18387304416 cubic inches would be around 220 feet tall.

Recreational maths with 18387304416

• 18387304416 backwards is 61440378381
• The number of decimal digits it has is: 11
• The sum of 18387304416's digits is 45
• More coming soon!