18129456187000

Names of 18129456187000

• Cardinal: 18129456187000 can be written as Eighteen trillion, one hundred twenty-nine billion, four hundred fifty-six million, one hundred eighty-seven thousand.

Scientific notation

• Scientific notation: 1.8129456187 × 10¹³

Factors of 18129456187000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1136195

Divisors of 18129456187000

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 16187 32374 64748 80935 129496 161870 323740 404675 647480 809350 1120001 1618700 2023375 2240002 3237400 4046750 4480004 5600005 8093500 8960008 11200010 16187000 22400020 28000025 44800040 56000050 112000100 140000125 224000200 280000250 560000500 1120001000 18129456187 36258912374 72517824748 90647280935 145035649496 181294561870 362589123740 453236404675 725178247480 906472809350 1812945618700 2266182023375 3625891237400 4532364046750 9064728093500 18129456187000
• Sum of all divisors σ(n): 42425586159840
• Sum of proper divisors (its aliquot sum) s(n): 24296129972840
• 18129456187000 is an abundant number, because the sum of its proper divisors (24296129972840) is greater than itself. Its abundance is 6166673785840

Bases of 18129456187000

• Binary: 100000111110100010111110010111100011001111000₂
• Hexadecimal: 0x107D17CBC678
• Base-36: 6FCK24I2G

Squares and roots of 18129456187000

• 18129456187000 squared (18129456187000²) is 328677181636352578969000000
• 18129456187000 cubed (18129456187000³) is 5958738564142895046902943131203000000000
• The square root of 18129456187000 is 4257869.9119395369
• The cube root of 18129456187000 is 26270.0919189377

Scales and comparisons

• 18,129,456,187,000 seconds is equal to 576,460 years, 32 weeks, 4 days, 19 hours, 56 minutes, 40 seconds.
• To count from 1 to 18,129,456,187,000 would take you about one million, four hundred forty-one thousand, one hundred fifty-one 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 18129456187000 cubic inches would be around 2189.2 feet tall.

Recreational maths with 18129456187000

• 18129456187000 backwards is 00078165492181
• The number of decimal digits it has is: 14
• The sum of 18129456187000's digits is 52
• More coming soon!