18128934528

Names of 18128934528

• Cardinal: 18128934528 can be written as Eighteen billion, one hundred twenty-eight million, nine hundred thirty-four thousand, five hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8128934528 × 10¹⁰

Factors of 18128934528

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2894

Divisors of 18128934528

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 61 64 96 122 128 183 192 244 307 366 384 488 614 732 921 976 1228 1464 1842 1952 2456 2521 2928 3684 3904 4912 5042 5856 7368 7563 7808 9824 10084 11712 14736 15126 18727 19648 20168 23424 29472 30252 37454 39296 40336 56181 58944 60504 74908 80672 112362 117888 121008 149816 153781 161344 224724 242016 299632 307562 322688 449448 461343 484032 599264 615124 773947 898896 922686 968064 1198528 1230248 1547894 1797792 1845372 2321841 2397056 2460496 3095788 3595584 3690744 4643682 4920992 6191576 7191168 7381488 9287364 9841984 12383152 14762976 18574728 19683968 24766304 29525952 37149456 47210767 49532608 59051904 74298912 94421534 99065216 141632301 148597824 188843068 283264602 297195648 377686136 566529204 755372272 1133058408 1510744544 2266116816 3021489088 4532233632 6042978176 9064467264 18128934528
• Sum of all divisors σ(n): 49123314240
• Sum of proper divisors (its aliquot sum) s(n): 30994379712
• 18128934528 is an abundant number, because the sum of its proper divisors (30994379712) is greater than itself. Its abundance is 12865445184

Bases of 18128934528

• Binary: 10000111000100100011001011010000000₂
• Hexadecimal: 0x438919680
• Base-36: 8BTHZEO

Squares and roots of 18128934528

• 18128934528 squared (18128934528²) is 328658267120510582784
• 18128934528 cubed (18128934528³) is 5958224206713671441222259965952
• The square root of 18128934528 is 134643.7318555899
• The cube root of 18128934528 is 2626.9839950335

Scales and comparisons

• 18,128,934,528 seconds is equal to 576 years, 23 weeks, 15 hours, 8 minutes, 48 seconds.
• To count from 1 to 18,128,934,528 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 18128934528 cubic inches would be around 218.9 feet tall.

Recreational maths with 18128934528

• 18128934528 backwards is 82543982181
• The number of decimal digits it has is: 11
• The sum of 18128934528's digits is 51
• More coming soon!