18207132372

Names of 18207132372

• Cardinal: 18207132372 can be written as Eighteen billion, two hundred seven million, one hundred thirty-two thousand, three hundred seventy-two.

Scientific notation

• Scientific notation: 1.8207132372 × 10¹⁰

Factors of 18207132372

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2689

Divisors of 18207132372

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 9 11 12 13 18 22 26 27 33 36 39 44 52 54 66 78 81 99 108 117 132 143 156 157 162 198 234 286 297 314 324 351 396 429 468 471 572 594 628 702 858 891 942 1053 1188 1287 1404 1413 1716 1727 1782 1884 2041 2106 2503 2574 2826 3454 3564 3861 4082 4212 4239 5006 5148 5181 5652 6123 6908 7509 7722 8164 8478 10012 10362 11583 12246 12717 15018 15444 15543 16956 18369 20724 22451 22527 23166 24492 25434 27533 30036 31086 32539 36738 44902 45054 46332 46629 50868 55066 55107 62172 65078 67353 67581 73476 82599 89804 90108 93258 97617 110132 110214 130156 134706 135162 139887 165198 165321 186516 195234 202059 202743 220428 247797 269412 270324 279774 292851 330396 330642 357929 390468 392971 404118 405486 495594 559548 585702 606177 661284 715858 743391 785942 808236 810972 878553 991188 1073787 1171404 1178913 1212354 1431716 1486782 1571884 1757106 1818531 2147574 2230173 2357826 2424708 2635659 2973564 3221361 3514212 3536739 3637062 4295148 4322681 4460346 4715652 5108623 5271318 6442722 7073478 7274124 8645362 8920692 9664083 10217246 10542636 10610217 12885444 12968043 14146956 15325869 17290724 19328166 20434492 21220434 25936086 28992249 30651738 31830651 38656332 38904129 42440868 45977607 51872172 56194853 57984498 61303476 63661302 77808258 91955214 112389706 115968996 116712387 127322604 137932821 155616516 168584559 183910428 224779412 233424774 275865642 337169118 350137161 413798463 466849548 505753677 551731284 674338236 700274322 827596926 1011507354 1400548644 1517261031 1655193852 2023014708 3034522062 4551783093 6069044124 9103566186 18207132372
• Sum of all divisors σ(n): 56296851072
• Sum of proper divisors (its aliquot sum) s(n): 38089718700
• 18207132372 is an abundant number, because the sum of its proper divisors (38089718700) is greater than itself. Its abundance is 19882586328

Bases of 18207132372

• Binary: 10000111101001110101100101011010100₂
• Hexadecimal: 0x43D3ACAD4
• Base-36: 8D42190

Squares and roots of 18207132372

• 18207132372 squared (18207132372²) is 331499669211530346384
• 18207132372 cubed (18207132372³) is 6035658358608545885308499542848
• The square root of 18207132372 is 134933.8073723557
• The cube root of 18207132372 is 2630.7556788917

Scales and comparisons

• 18,207,132,372 seconds is equal to 578 years, 48 weeks, 2 days, 16 hours, 46 minutes, 12 seconds.
• To count from 1 to 18,207,132,372 would take you about one thousand, one hundred fifty-seven 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 18207132372 cubic inches would be around 219.2 feet tall.

Recreational maths with 18207132372

• 18207132372 backwards is 27323170281
• 18207132372 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18207132372's digits is 36
• More coming soon!