18399255552

Names of 18399255552

• Cardinal: 18399255552 can be written as Eighteen billion, three hundred ninety-nine million, two hundred fifty-five thousand, five hundred fifty-two.

Scientific notation

• Scientific notation: 1.8399255552 × 10¹⁰

Factors of 18399255552

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 1678

Divisors of 18399255552

• Number of divisors d(n): 264
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 29 32 36 43 48 58 64 72 86 87 96 116 128 129 144 172 174 192 232 256 258 261 288 344 348 384 387 464 512 516 522 576 688 696 768 774 928 1024 1032 1044 1152 1247 1376 1392 1536 1548 1601 1856 2064 2088 2304 2494 2752 2784 3072 3096 3202 3712 3741 4128 4176 4608 4803 4988 5504 5568 6192 6404 7424 7482 8256 8352 9216 9606 9976 11008 11136 11223 12384 12808 14409 14848 14964 16512 16704 19212 19952 22016 22272 22446 24768 25616 28818 29696 29928 33024 33408 38424 39904 44032 44544 44892 46429 49536 51232 57636 59856 66048 66816 68843 76848 79808 89088 89784 92858 99072 102464 115272 119712 132096 133632 137686 139287 153696 159616 179568 185716 198144 204928 206529 230544 239424 267264 275372 278574 307392 319232 359136 371432 396288 409856 413058 417861 461088 478848 550744 557148 614784 619587 638464 718272 742864 819712 826116 835722 922176 957696 1101488 1114296 1229568 1239174 1276928 1436544 1485728 1639424 1652232 1671444 1844352 1915392 1996447 2202976 2228592 2459136 2478348 2873088 2971456 3304464 3342888 3688704 3830784 3992894 4405952 4457184 4918272 4956696 5746176 5942912 5989341 6608928 6685776 7377408 7985788 8811904 8914368 9913392 11492352 11885824 11978682 13217856 13371552 14754816 15971576 17623808 17828736 17968023 19826784 23771648 23957364 26435712 26743104 31943152 35247616 35657472 35936046 39653568 47543296 47914728 52871424 53486208 63886304 70495232 71314944 71872092 79307136 95829456 105742848 106972416 127772608 142629888 143744184 158614272 191658912 211485696 213944832 255545216 287488368 317228544 383317824 427889664 511090432 574976736 634457088 766635648 1022180864 1149953472 1533271296 2044361728 2299906944 3066542592 4599813888 6133085184 9199627776 18399255552
• Sum of all divisors σ(n): 56272685040
• Sum of proper divisors (its aliquot sum) s(n): 37873429488
• 18399255552 is an abundant number, because the sum of its proper divisors (37873429488) is greater than itself. Its abundance is 19474173936

Bases of 18399255552

• Binary: 10001001000101011100101110000000000₂
• Hexadecimal: 0x448AE5C00
• Base-36: 8GAFWG0

Squares and roots of 18399255552

• 18399255552 squared (18399255552²) is 338532604867802824704
• 18399255552 cubed (18399255552³) is 6228747909646943348476354756608
• The square root of 18399255552 is 135643.8555630145
• The cube root of 18399255552 is 2639.9766389117

Scales and comparisons

• 18,399,255,552 seconds is equal to 585 years, 2 weeks, 8 hours, 19 minutes, 12 seconds.
• To count from 1 to 18,399,255,552 would take you about one thousand, one hundred seventy 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 18399255552 cubic inches would be around 220 feet tall.

Recreational maths with 18399255552

• 18399255552 backwards is 25555299381
• The number of decimal digits it has is: 11
• The sum of 18399255552's digits is 54
• More coming soon!