18478826379

Names of 18478826379

• Cardinal: 18478826379 can be written as Eighteen billion, four hundred seventy-eight million, eight hundred twenty-six thousand, three hundred seventy-nine.

Scientific notation

• Scientific notation: 1.8478826379 × 10¹⁰

Factors of 18478826379

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2307

Divisors of 18478826379

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 9 13 17 27 39 51 81 117 153 163 221 243 351 459 489 663 1053 1377 1467 1989 2111 2119 2771 3159 4131 4401 5967 6333 6357 8313 13203 17901 18999 19071 24939 27443 35887 36023 39609 53703 56997 57213 74817 82329 107661 108069 170991 171639 224451 246987 322983 324207 344093 466531 512973 514917 673353 740961 968949 972621 1032279 1399593 2222883 2906847 2917863 3096837 4198779 4473209 5849581 6668649 8720541 8753589 9290511 12596337 13419627 17548743 27871533 37789011 40258881 52646229 76044553 83614599 113367033 120776643 157938687 228133659 362329929 473816061 684400977 1086989787 1421448183 2053202931 6159608793 18478826379
• Sum of all divisors σ(n): 31771643904
• Sum of proper divisors (its aliquot sum) s(n): 13292817525
• 18478826379 is a deficient number, because the sum of its proper divisors (13292817525) is less than itself. Its deficiency is 5186008854

Bases of 18478826379

• Binary: 10001001101011011001000001110001011₂
• Hexadecimal: 0x44D6C838B
• Base-36: 8HLTDOR

Squares and roots of 18478826379

• 18478826379 squared (18478826379²) is 341467024345226251641
• 18478826379 cubed (18478826379³) is 6309909857029202061547002837939
• The square root of 18478826379 is 135936.8470246387
• The cube root of 18478826379 is 2643.7768475317

Scales and comparisons

• 18,478,826,379 seconds is equal to 587 years, 29 weeks, 4 days, 7 hours, 19 minutes, 39 seconds.
• To count from 1 to 18,478,826,379 would take you about one thousand, one hundred seventy-five 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 18478826379 cubic inches would be around 220.3 feet tall.

Recreational maths with 18478826379

• 18478826379 backwards is 97362887481
• The number of decimal digits it has is: 11
• The sum of 18478826379's digits is 63
• More coming soon!