138753765864

Names of 138753765864

• Cardinal: 138753765864 can be written as One hundred thirty-eight billion, seven hundred fifty-three million, seven hundred sixty-five thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.38753765864 × 10¹¹

Factors of 138753765864

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 35601

Divisors of 138753765864

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 29 36 42 56 58 63 72 84 87 116 126 168 174 203 232 252 261 269 348 406 504 522 538 609 696 807 812 1044 1076 1218 1614 1624 1827 1883 2088 2152 2421 2436 3228 3654 3766 4842 4872 5649 6456 7308 7532 7801 9684 11298 14616 15064 15602 16947 19368 22596 23403 31204 33894 35291 45192 46806 54607 62408 67788 70209 70582 93612 105873 109214 135576 140418 141164 163821 187224 211746 218428 247037 280836 282328 317619 327642 423492 436856 491463 494074 561672 635238 655284 741111 846984 982926 988148 1023439 1270476 1310568 1482222 1965852 1976296 2046878 2223333 2540952 2964444 3070317 3931704 4093756 4446666 5928888 6140634 7164073 8187512 8893332 9210951 9493279 12281268 14328146 17786664 18421902 18986558 21492219 24562536 28479837 28656292 36843804 37973116 42984438 56959674 57312584 64476657 66452953 73687608 75946232 85439511 85968876 113919348 128953314 132905906 170879022 171937752 199358859 227838696 257906628 265811812 275305091 341758044 398717718 515813256 531623624 550610182 598076577 683516088 797435436 825915273 1101220364 1196153154 1594870872 1651830546 1927135637 2202440728 2392306308 2477745819 3303661092 3854271274 4784612616 4955491638 5781406911 6607322184 7708542548 9910983276 11562813822 15417085096 17344220733 19821966552 23125627644 34688441466 46251255288 69376882932 138753765864
• Sum of all divisors σ(n): 445949712000
• Sum of proper divisors (its aliquot sum) s(n): 307195946136
• 138753765864 is an abundant number, because the sum of its proper divisors (307195946136) is greater than itself. Its abundance is 168442180272

Bases of 138753765864

• Binary: 10000001001110010111100111000111101000₂
• Hexadecimal: 0x204E5E71E8
• Base-36: 1RQQEQY0

Squares and roots of 138753765864

• 138753765864 squared (138753765864²) is 19252607541441731666496
• 138753765864 cubed (138753765864³) is 2671371799076686712651700517292544
• The square root of 138753765864 is 372496.6655743377
• The cube root of 138753765864 is 5177.0408637083

Scales and comparisons

• 138,753,765,864 seconds is equal to 4,411 years, 48 weeks, 6 days, 8 hours, 44 minutes, 24 seconds.
• To count from 1 to 138,753,765,864 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 138753765864 cubic inches would be around 431.4 feet tall.

Recreational maths with 138753765864

• 138753765864 backwards is 468567357831
• 138753765864 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138753765864's digits is 63
• More coming soon!