18998685108

Names of 18998685108

• Cardinal: 18998685108 can be written as Eighteen billion, nine hundred ninety-eight million, six hundred eighty-five thousand, one hundred eight.

Scientific notation

• Scientific notation: 1.8998685108 × 10¹⁰

Factors of 18998685108

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1025

Divisors of 18998685108

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 59 78 81 89 108 117 118 156 162 177 178 234 236 267 324 351 354 356 468 531 534 702 708 767 801 859 1053 1062 1068 1157 1404 1534 1593 1602 1718 2106 2124 2301 2314 2403 2577 3068 3186 3204 3436 3471 4212 4602 4628 4779 4806 5154 5251 6372 6903 6942 7209 7731 9204 9558 9612 10308 10413 10502 11167 13806 13884 14418 15462 15753 19116 20709 20826 21004 22334 23193 27612 28836 30924 31239 31506 33501 41418 41652 44668 46386 47259 50681 62127 62478 63012 67002 68263 69579 76451 82836 92772 93717 94518 100503 101362 124254 124956 134004 136526 139158 141777 152043 152902 187434 189036 201006 202724 204789 229353 248508 273052 278316 283554 301509 304086 305804 374868 402012 409578 425331 456129 458706 567108 603018 608172 614367 658853 688059 819156 850662 904527 912258 917412 993863 1206036 1228734 1317706 1368387 1376118 1701324 1809054 1824516 1843101 1976559 1987726 2064177 2457468 2635412 2736774 2752236 2981589 3618108 3686202 3953118 3975452 4105161 4128354 4510609 5473548 5529303 5929677 5963178 6192531 7372404 7906236 8210322 8256708 8944767 9021218 11058606 11859354 11926356 12385062 13531827 16420644 17789031 17889534 18042436 22117212 23718708 24770124 26834301 27063654 35578062 35779068 40595481 53367093 53668602 54127308 58637917 71156124 80502903 81190962 106734186 107337204 117275834 121786443 161005806 162381924 175913751 213468372 234551668 243572886 322011612 351827502 365359329 487145772 527741253 703655004 730718658 1055482506 1461437316 1583223759 2110965012 3166447518 4749671277 6332895036 9499342554 18998685108
• Sum of all divisors σ(n): 55068552000
• Sum of proper divisors (its aliquot sum) s(n): 36069866892
• 18998685108 is an abundant number, because the sum of its proper divisors (36069866892) is greater than itself. Its abundance is 17071181784

Bases of 18998685108

• Binary: 10001101100011010001110110110110100₂
• Hexadecimal: 0x46C68EDB4
• Base-36: 8Q7BR90

Squares and roots of 18998685108

• 18998685108 squared (18998685108²) is 360950035832940971664
• 18998685108 cubed (18998685108³) is 6857576070511362014195886779712
• The square root of 18998685108 is 137835.7178237919
• The cube root of 18998685108 is 2668.3400918637

Scales and comparisons

• 18,998,685,108 seconds is equal to 604 years, 5 weeks, 1 day, 4 hours, 31 minutes, 48 seconds.
• To count from 1 to 18,998,685,108 would take you about one thousand, two hundred eight 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 18998685108 cubic inches would be around 222.4 feet tall.

Recreational maths with 18998685108

• 18998685108 backwards is 80158689981
• The number of decimal digits it has is: 11
• The sum of 18998685108's digits is 63
• More coming soon!