18904531828

Names of 18904531828

• Cardinal: 18904531828 can be written as Eighteen billion, nine hundred four million, five hundred thirty-one thousand, eight hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8904531828 × 10¹⁰

Factors of 18904531828

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1365

Divisors of 18904531828

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 13 14 17 26 28 34 49 52 68 91 98 119 182 196 221 238 364 442 476 607 637 719 833 884 1214 1274 1438 1547 1666 2428 2548 2876 3094 3332 4249 5033 6188 7891 8498 9347 10066 10319 10829 12223 15782 16996 18694 20132 20638 21658 24446 29743 31564 35231 37388 41276 43316 48892 55237 59486 65429 70462 72233 85561 110474 118972 130858 134147 140924 144466 158899 171122 220948 261716 268294 288932 317798 342244 386659 436433 458003 505631 536588 598927 635596 773318 872866 916006 939029 1011262 1112293 1197854 1546636 1745732 1832012 1878058 2022524 2224586 2395708 3055031 3756116 4449172 5673629 6110062 6573203 7419361 7786051 11347258 12220124 13146406 14838722 15572102 21385217 22694516 26292812 29677444 31144204 39715403 42770434 51935527 79430806 85540868 96451693 103871054 158861612 192903386 207742108 278007821 363548689 385806772 556015642 675161851 727097378 1112031284 1350323702 1454194756 2700647404 4726132957 9452265914 18904531828
• Sum of all divisors σ(n): 44015892480
• Sum of proper divisors (its aliquot sum) s(n): 25111360652
• 18904531828 is an abundant number, because the sum of its proper divisors (25111360652) is greater than itself. Its abundance is 6206828824

Bases of 18904531828

• Binary: 10001100110110011000100001101110100₂
• Hexadecimal: 0x466CC4374
• Base-36: 8ON9Q44

Squares and roots of 18904531828

• 18904531828 squared (18904531828²) is 357381323635865021584
• 18904531828 cubed (18904531828³) is 6756126607406978982846634975552
• The square root of 18904531828 is 137493.7519598617
• The cube root of 18904531828 is 2663.9248891775

Scales and comparisons

• 18,904,531,828 seconds is equal to 601 years, 5 weeks, 3 days, 10 hours, 50 minutes, 28 seconds.
• To count from 1 to 18,904,531,828 would take you about one thousand, two hundred two 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 18904531828 cubic inches would be around 222 feet tall.

Recreational maths with 18904531828

• 18904531828 backwards is 82813540981
• 18904531828 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18904531828's digits is 49
• More coming soon!