13391242920

Names of 13391242920

• Cardinal: 13391242920 can be written as Thirteen billion, three hundred ninety-one million, two hundred forty-two thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.339124292 × 10¹⁰

Factors of 13391242920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1127230

Divisors of 13391242920

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 18 20 22 24 27 30 33 36 40 44 45 54 55 60 66 72 88 90 99 108 110 120 132 135 165 180 198 216 220 264 270 297 330 360 396 440 495 540 594 660 792 990 1080 1188 1320 1485 1980 2376 2970 3960 5940 11880 1127209 2254418 3381627 4508836 5636045 6763254 9017672 10144881 11272090 12399299 13526508 16908135 20289762 22544180 24798598 27053016 30434643 33816270 37197897 40579524 45088360 49597196 50724405 60869286 61996495 67632540 74395794 81159048 99194392 101448810 111593691 121738572 123992990 135265080 148791588 152173215 185989485 202897620 223187382 243477144 247985980 297583176 304346430 334781073 371978970 405795240 446374764 495971960 557968455 608692860 669562146 743957940 892749528 1115936910 1217385720 1339124292 1487915880 1673905365 2231873820 2678248584 3347810730 4463747640 6695621460 13391242920
• Sum of all divisors σ(n): 48695472000
• Sum of proper divisors (its aliquot sum) s(n): 35304229080
• 13391242920 is an abundant number, because the sum of its proper divisors (35304229080) is greater than itself. Its abundance is 21912986160

Bases of 13391242920

• Binary: 1100011110001011100010011010101000₂
• Hexadecimal: 0x31E2E26A8
• Base-36: 65GST60

Squares and roots of 13391242920

• 13391242920 squared (13391242920²) is 179325386942450126400
• 13391242920 cubed (13391242920³) is 2401389818269345702607105088000
• The square root of 13391242920 is 115720.5380215629
• The cube root of 13391242920 is 2374.6902152549

Scales and comparisons

• 13,391,242,920 seconds is equal to 425 years, 41 weeks, 4 days, 5 hours, 42 minutes.
• To count from 1 to 13,391,242,920 would take you about eight hundred 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 13391242920 cubic inches would be around 197.9 feet tall.

Recreational maths with 13391242920

• 13391242920 backwards is 02924219331
• 13391242920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13391242920's digits is 36
• More coming soon!