18901187136

Names of 18901187136

• Cardinal: 18901187136 can be written as Eighteen billion, nine hundred one million, one hundred eighty-seven thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 1.8901187136 × 10¹⁰

Factors of 18901187136

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1174

Divisors of 18901187136

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 59 64 72 78 96 104 108 117 118 144 156 169 177 192 208 216 234 236 288 312 338 351 354 416 432 468 472 507 531 576 624 676 702 708 767 832 864 936 944 1014 1062 1097 1248 1352 1404 1416 1521 1534 1593 1728 1872 1888 2028 2124 2194 2301 2496 2704 2808 2832 3042 3068 3186 3291 3744 3776 4056 4248 4388 4563 4602 5408 5616 5664 6084 6136 6372 6582 6903 7488 8112 8496 8776 9126 9204 9873 9971 10816 11232 11328 12168 12272 12744 13164 13806 14261 16224 16992 17552 18252 18408 19746 19942 20709 22464 24336 24544 25488 26328 27612 28522 29619 29913 32448 33984 35104 36504 36816 39492 39884 41418 42783 48672 49088 50976 52656 55224 57044 59238 59826 64723 70208 73008 73632 78984 79768 82836 85566 89739 97344 101952 105312 110448 114088 118476 119652 128349 129446 146016 147264 157968 159536 165672 171132 179478 185393 194169 210624 220896 228176 236952 239304 256698 258892 269217 292032 315936 319072 331344 342264 358956 370786 385047 388338 441792 456352 473904 478608 513396 517784 538434 556179 582507 631872 638144 662688 684528 717912 741572 770094 776676 841399 912704 947808 957216 1026792 1035568 1076868 1112358 1165014 1325376 1369056 1435824 1483144 1540188 1553352 1668537 1682798 1747521 1895616 1914432 2053584 2071136 2153736 2224716 2330028 2524197 2738112 2871648 2966288 3080376 3106704 3337074 3365596 3495042 4107168 4142272 4307472 4449432 4660056 5005611 5048394 5743296 5932576 6160752 6213408 6674148 6731192 6990084 7572591 8214336 8614944 8898864 9320112 10011222 10096788 10938187 11865152 12321504 12426816 13348296 13462384 13980168 15145182 17229888 17797728 18640224 20022444 20193576 21876374 22717773 24643008 26696592 26924768 27960336 30290364 32814561 35595456 37280448 40044888 40387152 43752748 45435546 53393184 53849536 55920672 60580728 65629122 80089776 80774304 87505496 90871092 98443683 106786368 111841344 121161456 131258244 160179552 161548608 175010992 181742184 196887366 242322912 262516488 295331049 320359104 350021984 363484368 393774732 484645824 525032976 590662098 700043968 726968736 787549464 1050065952 1181324196 1453937472 1575098928 2100131904 2362648392 3150197856 4725296784 6300395712 9450593568 18901187136
• Sum of all divisors σ(n): 61244683200
• Sum of proper divisors (its aliquot sum) s(n): 42343496064
• 18901187136 is an abundant number, because the sum of its proper divisors (42343496064) is greater than itself. Its abundance is 23442308928

Bases of 18901187136

• Binary: 10001100110100110010011101001000000₂
• Hexadecimal: 0x466993A40
• Base-36: 8OLA1C0

Squares and roots of 18901187136

• 18901187136 squared (18901187136²) is 357254875150091882496
• 18901187136 cubed (18901187136³) is 6752541250460202758651418771456
• The square root of 18901187136 is 137481.5883527681
• The cube root of 18901187136 is 2663.7677745789

Scales and comparisons

• 18,901,187,136 seconds is equal to 600 years, 51 weeks, 6 days, 17 hours, 45 minutes, 36 seconds.
• To count from 1 to 18,901,187,136 would take you about one thousand, two hundred one 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 18901187136 cubic inches would be around 222 feet tall.

Recreational maths with 18901187136

• 18901187136 backwards is 63178110981
• The number of decimal digits it has is: 11
• The sum of 18901187136's digits is 45
• More coming soon!