18115006464

Names of 18115006464

• Cardinal: 18115006464 can be written as Eighteen billion, one hundred fifteen million, six thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 1.8115006464 × 10¹⁰

Factors of 18115006464

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 706

Divisors of 18115006464

• Number of divisors d(n): 117
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 512 576 701 768 1024 1152 1402 1536 2048 2103 2304 2804 3072 4096 4206 4608 5608 6144 6309 8412 9216 11216 12288 12618 16824 18432 22432 25236 33648 36864 44864 50472 67296 89728 100944 134592 179456 201888 269184 358912 403776 491401 538368 717824 807552 982802 1076736 1435648 1474203 1615104 1965604 2153472 2871296 2948406 3230208 3931208 4306944 4422609 5896812 6460416 7862416 8613888 8845218 11793624 12920832 15724832 17690436 23587248 25841664 31449664 35380872 47174496 62899328 70761744 94348992 125798656 141523488 188697984 251597312 283046976 377395968 503194624 566093952 754791936 1006389248 1132187904 1509583872 2012778496 2264375808 3019167744 4528751616 6038335488 9057503232 18115006464
• Sum of all divisors σ(n): 52400603749
• Sum of proper divisors (its aliquot sum) s(n): 34285597285
• 18115006464 is an abundant number, because the sum of its proper divisors (34285597285) is greater than itself. Its abundance is 16170590821

Bases of 18115006464

• Binary: 10000110111101111010001000000000000₂
• Hexadecimal: 0x437BD1000
• Base-36: 8BL7GG0

Squares and roots of 18115006464

• 18115006464 squared (18115006464²) is 328153459190761783296
• 18115006464 cubed (18115006464³) is 5944502034424609913491207225344
• 18115006464 is a perfect square number. Its square root is 134592
• The cube root of 18115006464 is 2626.3110712187

Scales and comparisons

• 18,115,006,464 seconds is equal to 576 years, 10 hours, 14 minutes, 24 seconds.
• To count from 1 to 18,115,006,464 would take you about one thousand, one hundred fifty-two 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 18115006464 cubic inches would be around 218.9 feet tall.

Recreational maths with 18115006464

• 18115006464 backwards is 46460051181
• 18115006464 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18115006464's digits is 36
• More coming soon!