79428299940

Names of 79428299940

• Cardinal: 79428299940 can be written as Seventy-nine billion, four hundred twenty-eight million, two hundred ninety-nine thousand, nine hundred forty.

Scientific notation

• Scientific notation: 7.942829994 × 10¹⁰

Factors of 79428299940

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 40115324

Divisors of 79428299940

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 132 165 180 198 220 330 396 495 660 990 1980 40115303 80230606 120345909 160461212 200576515 240691818 361037727 401153030 441268333 481383636 601729545 722075454 802306060 882536666 1203459090 1323804999 1444150908 1765073332 1805188635 2206341665 2406918180 2647609998 3610377270 3971414997 4412683330 5295219996 6619024995 7220754540 7942829994 8825366660 13238049990 15885659988 19857074985 26476099980 39714149970 79428299940
• Sum of all divisors σ(n): 262835471808
• Sum of proper divisors (its aliquot sum) s(n): 183407171868
• 79428299940 is an abundant number, because the sum of its proper divisors (183407171868) is greater than itself. Its abundance is 103978871928

Bases of 79428299940

• Binary: 1001001111110010010111010110010100100₂
• Hexadecimal: 0x127E4BACA4
• Base-36: 10HLK4H0

Squares and roots of 79428299940

• 79428299940 squared (79428299940²) is 6308854831358604003600
• 79428299940 cubed (79428299940³) is 501101613823069316497625639784000
• The square root of 79428299940 is 281830.2679628291
• The cube root of 79428299940 is 4298.5807456031

Scales and comparisons

• 79,428,299,940 seconds is equal to 2,525 years, 29 weeks, 6 days, 39 minutes.
• To count from 1 to 79,428,299,940 would take you about five thousand and fifty-one 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 79428299940 cubic inches would be around 358.2 feet tall.

Recreational maths with 79428299940

• 79428299940 backwards is 04999282497
• The number of decimal digits it has is: 11
• The sum of 79428299940's digits is 63
• More coming soon!