18988924928

Names of 18988924928

• Cardinal: 18988924928 can be written as Eighteen billion, nine hundred eighty-eight million, nine hundred twenty-four thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8988924928 × 10¹⁰

Factors of 18988924928

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 4280

Divisors of 18988924928

• Number of divisors d(n): 76
• Complete list of divisors:
  1 2 4 8 16 17 32 34 64 68 128 136 256 272 512 544 1024 1088 2048 2176 4096 4261 4352 8192 8522 8704 16384 17044 17408 32768 34088 34816 65536 68176 69632 72437 131072 136352 139264 144874 262144 272704 278528 289748 545408 557056 579496 1090816 1114112 1158992 2181632 2228224 2317984 4363264 4456448 4635968 8726528 9271936 17453056 18543872 34906112 37087744 69812224 74175488 139624448 148350976 279248896 296701952 558497792 593403904 1116995584 1186807808 2373615616 4747231232 9494462464 18988924928
• Sum of all divisors σ(n): 40221201492
• Sum of proper divisors (its aliquot sum) s(n): 21232276564
• 18988924928 is an abundant number, because the sum of its proper divisors (21232276564) is greater than itself. Its abundance is 2243351636

Bases of 18988924928

• Binary: 10001101011110101000000000000000000₂
• Hexadecimal: 0x46BD40000
• Base-36: 8Q1IK8W

Squares and roots of 18988924928

• 18988924928 squared (18988924928²) is 360579269921219805184
• 18988924928 cubed (18988924928³) is 6847012687127091354825761226752
• The square root of 18988924928 is 137800.3081564043
• The cube root of 18988924928 is 2667.8830788215

Scales and comparisons

• 18,988,924,928 seconds is equal to 603 years, 41 weeks, 5 hours, 22 minutes, 8 seconds.
• To count from 1 to 18,988,924,928 would take you about one thousand, two hundred seven 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 18988924928 cubic inches would be around 222.3 feet tall.

Recreational maths with 18988924928

• 18988924928 backwards is 82942988981
• 18988924928 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18988924928's digits is 68
• More coming soon!