18644117712

Names of 18644117712

• Cardinal: 18644117712 can be written as Eighteen billion, six hundred forty-four million, one hundred seventeen thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 1.8644117712 × 10¹⁰

Factors of 18644117712

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1139106

Divisors of 18644117712

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 31 33 44 48 62 66 88 93 124 132 176 186 248 264 341 372 496 528 682 744 1023 1364 1488 2046 2728 4092 5456 8184 16368 1139059 2278118 3417177 4556236 6834354 9112472 12529649 13668708 18224944 25059298 27337416 35310829 37588947 50118596 54674832 70621658 75177894 100237192 105932487 141243316 150355788 200474384 211864974 282486632 300711576 388419119 423729948 564973264 601423152 776838238 847459896 1165257357 1553676476 1694919792 2330514714 3107352952 4661029428 6214705904 9322058856 18644117712
• Sum of all divisors σ(n): 54237480960
• Sum of proper divisors (its aliquot sum) s(n): 35593363248
• 18644117712 is an abundant number, because the sum of its proper divisors (35593363248) is greater than itself. Its abundance is 16949245536

Bases of 18644117712

• Binary: 10001010111010001101010100011010000₂
• Hexadecimal: 0x45746A8D0
• Base-36: 8KC85AO

Squares and roots of 18644117712

• 18644117712 squared (18644117712²) is 347603125258912114944
• 18644117712 cubed (18644117712³) is 6480753584386237948078810288128
• The square root of 18644117712 is 136543.4645525007
• The cube root of 18644117712 is 2651.6362370149

Scales and comparisons

• 18,644,117,712 seconds is equal to 592 years, 42 weeks, 6 days, 9 hours, 35 minutes, 12 seconds.
• To count from 1 to 18,644,117,712 would take you about one thousand, one hundred eighty-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 18644117712 cubic inches would be around 221 feet tall.

Recreational maths with 18644117712

• 18644117712 backwards is 21771144681
• The number of decimal digits it has is: 11
• The sum of 18644117712's digits is 42
• More coming soon!