51369439920

Names of 51369439920

• Cardinal: 51369439920 can be written as Fifty-one billion, three hundred sixty-nine million, four hundred thirty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 5.136943992 × 10¹⁰

Factors of 51369439920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 12590576

Divisors of 51369439920

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 34 40 48 51 60 68 80 85 102 120 136 170 204 240 255 272 340 408 510 680 816 1020 1360 2040 4080 12590549 25181098 37771647 50362196 62952745 75543294 100724392 125905490 151086588 188858235 201448784 214039333 251810980 302173176 377716470 428078666 503621960 604346352 642117999 755432940 856157332 1007243920 1070196665 1284235998 1510865880 1712314664 2140393330 2568471996 3021731760 3210589995 3424629328 4280786660 5136943992 6421179990 8561573320 10273887984 12842359980 17123146640 25684719960 51369439920
• Sum of all divisors σ(n): 168612645600
• Sum of proper divisors (its aliquot sum) s(n): 117243205680
• 51369439920 is an abundant number, because the sum of its proper divisors (117243205680) is greater than itself. Its abundance is 65873765760

Bases of 51369439920

• Binary: 101111110101110110110111001010110000₂
• Hexadecimal: 0xBF5DB72B0
• Base-36: NLK1DIO

Squares and roots of 51369439920

• 51369439920 squared (51369439920²) is 2638819357694489606400
• 51369439920 cubed (51369439920³) is 135554672454820073551029247488000
• The square root of 51369439920 is 226648.2735870715
• The cube root of 51369439920 is 3717.3627567725

Scales and comparisons

• 51,369,439,920 seconds is equal to 1,633 years, 20 weeks, 1 day, 16 hours, 52 minutes.
• To count from 1 to 51,369,439,920 would take you about three thousand, two hundred sixty-six 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 51369439920 cubic inches would be around 309.8 feet tall.

Recreational maths with 51369439920

• 51369439920 backwards is 02993496315
• 51369439920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 51369439920's digits is 51
• More coming soon!