1814639640

Names of 1814639640

• Cardinal: 1814639640 can be written as One billion, eight hundred fourteen million, six hundred thirty-nine thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.81463964 × 10⁹

Factors of 1814639640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5749

Divisors of 1814639640

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 132 165 220 251 264 330 440 502 660 753 1004 1255 1320 1506 2008 2510 2761 3012 3765 5020 5477 5522 6024 7530 8283 10040 10954 11044 13805 15060 16431 16566 21908 22088 27385 27610 30120 32862 33132 41415 43816 54770 55220 60247 65724 66264 82155 82830 109540 110440 120494 131448 164310 165660 180741 219080 240988 301235 328620 331320 361482 481976 602470 657240 722964 903705 1204940 1374727 1445928 1807410 2409880 2749454 3614820 4124181 5498908 6873635 7229640 8248362 10997816 13747270 15121997 16496724 20620905 27494540 30243994 32993448 41241810 45365991 54989080 60487988 75609985 82483620 90731982 120975976 151219970 164967240 181463964 226829955 302439940 362927928 453659910 604879880 907319820 1814639640
• Sum of all divisors σ(n): 5963569920
• Sum of proper divisors (its aliquot sum) s(n): 4148930280
• 1814639640 is an abundant number, because the sum of its proper divisors (4148930280) is greater than itself. Its abundance is 2334290640

Bases of 1814639640

• Binary: 1101100001010010011010000011000₂
• Hexadecimal: 0x6C293418
• Base-36: U0E0WO

Squares and roots of 1814639640

• 1814639640 squared (1814639640²) is 3292917023059329600
• 1814639640 cubed (1814639640³) is 5975457761274253563985344000
• The square root of 1814639640 is 42598.5873005197
• The cube root of 1814639640 is 1219.7293227325

Scales and comparisons

• 1,814,639,640 seconds is equal to 57 years, 36 weeks, 2 days, 18 hours, 34 minutes.
• To count from 1 to 1,814,639,640 would take you about one hundred fifteen 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 1814639640 cubic inches would be around 101.6 feet tall.

Recreational maths with 1814639640

• 1814639640 backwards is 0469364181
• The number of decimal digits it has is: 10
• The sum of 1814639640's digits is 42
• More coming soon!