138350633688

Names of 138350633688

• Cardinal: 138350633688 can be written as One hundred thirty-eight billion, three hundred fifty million, six hundred thirty-three thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 1.38350633688 × 10¹¹

Factors of 138350633688

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 13627971

Divisors of 138350633688

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 47 54 72 94 108 141 188 216 282 376 423 564 846 1128 1269 1692 2538 3384 5076 10152 13627919 27255838 40883757 54511676 81767514 109023352 122651271 163535028 245302542 327070056 367953813 490605084 640512193 735907626 981210168 1281024386 1471815252 1921536579 2562048772 2943630504 3843073158 5124097544 5764609737 7686146316 11529219474 15372292632 17293829211 23058438948 34587658422 46116877896 69175316844 138350633688
• Sum of all divisors σ(n): 392484096000
• Sum of proper divisors (its aliquot sum) s(n): 254133462312
• 138350633688 is an abundant number, because the sum of its proper divisors (254133462312) is greater than itself. Its abundance is 115782828624

Bases of 138350633688

• Binary: 10000000110110010101110010001011011000₂
• Hexadecimal: 0x20365722D8
• Base-36: 1RK2E860

Squares and roots of 138350633688

• 138350633688 squared (138350633688²) is 19140897841871160481344
• 138350633688 cubed (138350633688³) is 2648155345780146672245885501916672
• The square root of 138350633688 is 371955.1501028047
• The cube root of 138350633688 is 5172.0222462315

Scales and comparisons

• 138,350,633,688 seconds is equal to 4,399 years, 6 weeks, 2 days, 11 hours, 34 minutes, 48 seconds.
• To count from 1 to 138,350,633,688 would take you about eight thousand, seven hundred ninety-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 138350633688 cubic inches would be around 431 feet tall.

Recreational maths with 138350633688

• 138350633688 backwards is 886336053831
• 138350633688 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138350633688's digits is 54
• More coming soon!