18413678920

Names of 18413678920

• Cardinal: 18413678920 can be written as Eighteen billion, four hundred thirteen million, six hundred seventy-eight thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.841367892 × 10¹⁰

Factors of 18413678920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 9559

Divisors of 18413678920

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 20 26 28 35 40 41 52 56 65 70 82 91 104 130 140 164 169 182 205 260 280 287 328 338 364 410 455 520 533 574 676 728 820 845 910 1066 1148 1183 1352 1435 1640 1690 1820 2132 2296 2366 2665 2870 3380 3640 3731 4264 4732 5330 5740 5915 6760 6929 7462 9464 9491 10660 11480 11830 13858 14924 18655 18982 21320 23660 27716 29848 34645 37310 37964 47320 47455 48503 55432 66437 69290 74620 75928 94910 97006 123383 132874 138580 149240 189820 194012 242515 246766 265748 277160 332185 379640 388024 389131 485030 493532 531496 616915 664370 778262 863681 970060 987064 1233830 1328740 1556524 1603979 1727362 1940120 1945655 2467660 2657480 2723917 3113048 3207958 3454724 3891310 4318405 4935320 5058703 5447834 6415916 6909448 7782620 8019895 8636810 10117406 10895668 11227853 12831832 13619585 15565240 16039790 17273620 20234812 21791336 22455706 25293515 27239170 32079580 34547240 35410921 40469624 44911412 50587030 54478340 56139265 64159160 65763139 70821842 89822824 101174060 108956680 112278530 131526278 141643684 177054605 202348120 224557060 263052556 283287368 328815695 354109210 449114120 460341973 526105112 657631390 708218420 920683946 1315262780 1416436840 1841367892 2301709865 2630525560 3682735784 4603419730 9206839460 18413678920
• Sum of all divisors σ(n): 52527968640
• Sum of proper divisors (its aliquot sum) s(n): 34114289720
• 18413678920 is an abundant number, because the sum of its proper divisors (34114289720) is greater than itself. Its abundance is 15700610800

Bases of 18413678920

• Binary: 10001001001100010100111000101001000₂
• Hexadecimal: 0x4498A7148
• Base-36: 8GJ11L4

Squares and roots of 18413678920

• 18413678920 squared (18413678920²) is 339063571368852366400
• 18413678920 cubed (18413678920³) is 6243407736654552363771796288000
• The square root of 18413678920 is 135697.0114630385
• The cube root of 18413678920 is 2640.6662937921

Scales and comparisons

• 18,413,678,920 seconds is equal to 585 years, 25 weeks, 6 days, 6 hours, 48 minutes, 40 seconds.
• To count from 1 to 18,413,678,920 would take you about one thousand, one hundred seventy 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 18413678920 cubic inches would be around 220.1 feet tall.

Recreational maths with 18413678920

• 18413678920 backwards is 02987631481
• The number of decimal digits it has is: 11
• The sum of 18413678920's digits is 49
• More coming soon!