138269369208

Names of 138269369208

• Cardinal: 138269369208 can be written as One hundred thirty-eight billion, two hundred sixty-nine million, three hundred sixty-nine thousand, two hundred eight.

Scientific notation

• Scientific notation: 1.38269369208 × 10¹¹

Factors of 138269369208

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 70464

Divisors of 138269369208

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 24 131 262 393 524 631 786 1048 1262 1572 1893 2524 3144 3786 5048 7572 15144 69697 82661 139394 165322 209091 247983 278788 330644 418182 495966 557576 661288 836364 991932 1672728 1983864 9130307 18260614 27390921 36521228 43978807 54781842 73042456 87957614 109563684 131936421 175915228 219127368 263872842 351830456 527745684 1055491368 5761223717 11522447434 17283671151 23044894868 34567342302 46089789736 69134684604 138269369208
• Sum of all divisors σ(n): 348869157120
• Sum of proper divisors (its aliquot sum) s(n): 210599787912
• 138269369208 is an abundant number, because the sum of its proper divisors (210599787912) is greater than itself. Its abundance is 72330418704

Bases of 138269369208

• Binary: 10000000110001011111110010001101111000₂
• Hexadecimal: 0x20317F2378
• Base-36: 1RIQ0G3C

Squares and roots of 138269369208

• 138269369208 squared (138269369208²) is 19118418461178218547264
• 138269369208 cubed (138269369208³) is 2643491660881694314999359414246912
• The square root of 138269369208 is 371845.8944347779
• The cube root of 138269369208 is 5171.0093993647

Scales and comparisons

• 138,269,369,208 seconds is equal to 4,396 years, 27 weeks, 6 days, 22 hours, 6 minutes, 48 seconds.
• To count from 1 to 138,269,369,208 would take you about eight thousand, seven hundred ninety-three 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 138269369208 cubic inches would be around 430.9 feet tall.

Recreational maths with 138269369208

• 138269369208 backwards is 802963962831
• The number of decimal digits it has is: 12
• The sum of 138269369208's digits is 57
• More coming soon!