18400368789102013

Names of 18400368789102013

• Cardinal: 18400368789102013 can be written as Eighteen quadrillion, four hundred trillion, three hundred sixty-eight billion, seven hundred eighty-nine million, one hundred two thousand and thirteen.

Scientific notation

• Scientific notation: 1.8400368789102013 × 10¹⁶

Factors of 18400368789102013

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 233

Divisors of 18400368789102013

• Number of divisors d(n): 60
• Complete list of divisors:
  1 7 49 59 167 343 413 1169 2401 2891 8183 9853 20237 27889 57281 68971 141659 195223 400967 482797 1366561 1645451 3379579 4657463 9565927 11518157 23657053 32602241 66961489 80627099 228215687 274790317 564389693 777796321 1597509809 1923532219 3950727851 5444574247 11182568663 13464725533 38112019729 45889982939 94253078731 129891985607 266784138103 321229880573 659771551117 909243899249 1867488966721 2248609164011 6364707294743 7663627150813 15740264148077 44552951063201 53645390055691 110181849036539 311870657442407 375517730389837 2628624112728859 18400368789102013
• Sum of all divisors σ(n): 21961150999310880
• Sum of proper divisors (its aliquot sum) s(n): 3560782210208867
• 18400368789102013 is a deficient number, because the sum of its proper divisors (3560782210208867) is less than itself. Its deficiency is 14839586578893146

Bases of 18400368789102013

• Binary: 1000001010111110000100110110101011010010001110110111101₂
• Hexadecimal: 0x415F09B5691DBD
• Base-36: 516DWQ5L5TP

Squares and roots of 18400368789102013

• 18400368789102013 squared (18400368789102013²) is 338573571574959480163554920652169
• 18400368789102013 cubed (18400368789102013³) is 6229878579222680898498216918705466720873830716197
• The square root of 18400368789102013 is 135647959.0303592183
• The cube root of 18400368789102013 is 264002.9881295449

Scales and comparisons

• 18,400,368,789,102,013 seconds is equal to 585,074,811 years, 21 weeks, 4 days, 8 hours, 20 minutes, 13 seconds.
• To count from 1 to 18,400,368,789,102,013 would take you about one billion, seven hundred fifty-five million, two hundred twenty-four thousand, four hundred thirty-four 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 18400368789102013 cubic inches would be around 22000.2 feet tall.

Recreational maths with 18400368789102013

• 18400368789102013 backwards is 31020198786300481
• The number of decimal digits it has is: 17
• The sum of 18400368789102013's digits is 61
• More coming soon!