18372290768

Names of 18372290768

• Cardinal: 18372290768 can be written as Eighteen billion, three hundred seventy-two million, two hundred ninety thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8372290768 × 10¹⁰

Factors of 18372290768

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1631

Divisors of 18372290768

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 8 13 16 19 26 38 43 52 73 76 86 104 146 152 172 208 247 292 304 344 494 559 584 688 817 949 988 1118 1168 1387 1481 1634 1898 1976 2236 2774 2962 3139 3268 3796 3952 4472 5548 5924 6278 6536 7592 8944 10621 11096 11848 12556 13072 15184 18031 19253 21242 22192 23696 25112 28139 36062 38506 40807 42484 50224 56278 59641 63683 72124 77012 81614 84968 108113 112556 119282 127366 144248 154024 163228 169936 216226 225112 238564 254732 288496 308048 326456 365807 432452 450224 477128 509464 652912 731614 775333 827879 864904 954256 1018928 1209977 1405469 1463228 1550666 1655758 1729808 2054147 2419954 2810938 2926456 3101332 3311516 4108294 4648859 4839908 5621876 5852912 6202664 6623032 8216588 9297718 9679816 11243752 12405328 13246064 15729701 16433176 18595436 19359632 22487504 26703911 31459402 32866352 37190872 53407822 60435167 62918804 74381744 88328321 106815644 120870334 125837608 176656642 213631288 241740668 251675216 353313284 427262576 483481336 706626568 966962672 1148268173 1413253136 2296536346 4593072692 9186145384 18372290768
• Sum of all divisors σ(n): 41884402560
• Sum of proper divisors (its aliquot sum) s(n): 23512111792
• 18372290768 is an abundant number, because the sum of its proper divisors (23512111792) is greater than itself. Its abundance is 5139821024

Bases of 18372290768

• Binary: 10001000111000100101110100011010000₂
• Hexadecimal: 0x44712E8D0
• Base-36: 8FUDYA8

Squares and roots of 18372290768

• 18372290768 squared (18372290768²) is 337541068063938029824
• 18372290768 cubed (18372290768³) is 6201402648611948299059583864832
• The square root of 18372290768 is 135544.4235961037
• The cube root of 18372290768 is 2638.6863475119

Scales and comparisons

• 18,372,290,768 seconds is equal to 584 years, 9 weeks, 3 days, 6 hours, 6 minutes, 8 seconds.
• To count from 1 to 18,372,290,768 would take you about one thousand, one hundred sixty-eight 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 18372290768 cubic inches would be around 219.9 feet tall.

Recreational maths with 18372290768

• 18372290768 backwards is 86709227381
• The number of decimal digits it has is: 11
• The sum of 18372290768's digits is 53
• More coming soon!