138747173432

Names of 138747173432

• Cardinal: 138747173432 can be written as One hundred thirty-eight billion, seven hundred forty-seven million, one hundred seventy-three thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 1.38747173432 × 10¹¹

Factors of 138747173432

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 149

Divisors of 138747173432

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 8 14 28 31 49 56 62 98 109 124 196 217 218 248 392 434 436 763 868 872 961 1519 1526 1736 1922 3038 3052 3379 3844 5341 6076 6104 6727 6758 7688 10682 11881 12152 13454 13516 21364 23653 23762 26908 27032 29791 42728 47089 47306 47524 53816 59582 83167 94178 94612 95048 104749 119164 165571 166334 188356 189224 208537 209498 238328 331142 332668 368311 376712 417074 418996 582169 662284 665336 733243 736622 834148 837992 1164338 1324568 1459759 1466486 1473244 1668296 2328676 2578177 2919518 2932972 2946488 3247219 4657352 5132701 5156354 5839036 5865944 6494438 10265402 10312708 11417641 11678072 12988876 18047239 20530804 20625416 22730533 22835282 25977752 36094478 41061608 45461066 45670564 72188956 79923487 90922132 91341128 144377912 159113731 159846974 181844264 318227462 319693948 353946871 559464409 636454924 639387896 707893742 1118928818 1272909848 1415787484 2237857636 2477628097 2831574968 4475715272 4955256194 9910512388 17343396679 19821024776 34686793358 69373586716 138747173432
• Sum of all divisors σ(n): 315606957120
• Sum of proper divisors (its aliquot sum) s(n): 176859783688
• 138747173432 is an abundant number, because the sum of its proper divisors (176859783688) is greater than itself. Its abundance is 38112610256

Bases of 138747173432

• Binary: 10000001001101111110011101101000111000₂
• Hexadecimal: 0x204DF9DA38
• Base-36: 1RQMHG6W

Squares and roots of 138747173432

• 138747173432 squared (138747173432²) is 19250778135369486658624
• 138747173432 cubed (138747173432³) is 2670991052649063738824914306477568
• The square root of 138747173432 is 372487.8164880027
• The cube root of 138747173432 is 5176.9588723471

Scales and comparisons

• 138,747,173,432 seconds is equal to 4,411 years, 38 weeks, 1 hour, 30 minutes, 32 seconds.
• To count from 1 to 138,747,173,432 would take you about eight thousand, eight hundred twenty-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 138747173432 cubic inches would be around 431.4 feet tall.

Recreational maths with 138747173432

• 138747173432 backwards is 234371747831
• The number of decimal digits it has is: 12
• The sum of 138747173432's digits is 50
• More coming soon!