18003659912

Names of 18003659912

• Cardinal: 18003659912 can be written as Eighteen billion, three million, six hundred fifty-nine thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 1.8003659912 × 10¹⁰

Factors of 18003659912

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1371

Divisors of 18003659912

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 7 8 14 19 28 38 56 76 113 133 137 152 226 266 274 452 532 548 791 904 959 1064 1093 1096 1582 1918 2147 2186 2603 3164 3836 4294 4372 5206 6328 7651 7672 8588 8744 10412 15029 15302 15481 17176 18221 20767 20824 30058 30604 30962 36442 41534 60116 61208 61924 72884 83068 108367 120232 123509 123848 145369 145768 149741 166136 216734 247018 290738 294139 299482 433468 494036 581476 588278 598964 864563 866936 988072 1048187 1162952 1176556 1197928 1729126 2058973 2096374 2346671 2353112 2845079 3458252 4117946 4192748 4693342 5690158 6916504 8235892 8385496 9386684 11380316 16426697 16471784 16920733 18773368 19915553 22760632 32853394 33841466 39831106 65706788 67682932 79662212 118445131 131413576 135365864 159324424 236890262 321493927 473780524 642987854 947561048 1285975708 2250457489 2571951416 4500914978 9001829956 18003659912
• Sum of all divisors σ(n): 41305939200
• Sum of proper divisors (its aliquot sum) s(n): 23302279288
• 18003659912 is an abundant number, because the sum of its proper divisors (23302279288) is greater than itself. Its abundance is 5298619376

Bases of 18003659912

• Binary: 10000110001000110100000110010001000₂
• Hexadecimal: 0x4311A0C88
• Base-36: 89QWWW8

Squares and roots of 18003659912

• 18003659912 squared (18003659912²) is 324131770226955847744
• 18003659912 cubed (18003659912³) is 5835558157840640137822628438528
• The square root of 18003659912 is 134177.7176434299
• The cube root of 18003659912 is 2620.9190059285

Scales and comparisons

• 18,003,659,912 seconds is equal to 572 years, 23 weeks, 6 days, 16 hours, 38 minutes, 32 seconds.
• To count from 1 to 18,003,659,912 would take you about one thousand, one hundred forty-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 18003659912 cubic inches would be around 218.4 feet tall.

Recreational maths with 18003659912

• 18003659912 backwards is 21995630081
• The number of decimal digits it has is: 11
• The sum of 18003659912's digits is 44
• More coming soon!