138454008

Names of 138454008

• Cardinal: 138454008 can be written as One hundred thirty-eight million, four hundred fifty-four thousand and eight.

Scientific notation

• Scientific notation: 1.38454008 × 10⁸

Factors of 138454008

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 162

Divisors of 138454008

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 21 22 24 28 33 42 44 49 56 66 77 84 88 98 121 132 139 147 154 168 196 231 242 264 278 294 308 343 363 392 417 462 484 539 556 588 616 686 726 834 847 924 968 973 1029 1078 1112 1176 1372 1452 1529 1617 1668 1694 1848 1946 2058 2156 2541 2744 2904 2919 3058 3234 3336 3388 3773 3892 4116 4312 4587 5082 5838 5929 6116 6468 6776 6811 7546 7784 8232 9174 10164 10703 11319 11676 11858 12232 12936 13622 15092 16819 17787 18348 20328 20433 21406 22638 23352 23716 27244 30184 32109 33638 35574 36696 40866 41503 42812 45276 47432 47677 50457 54488 64218 67276 71148 74921 81732 83006 85624 90552 95354 100914 117733 124509 128436 134552 142296 143031 149842 163464 166012 190708 201828 224763 235466 249018 256872 286062 299684 332024 353199 381416 403656 449526 470932 498036 524447 572124 599368 706398 824131 899052 941864 996072 1048894 1144248 1412796 1573341 1648262 1798104 2097788 2472393 2825592 3146682 3296524 4195576 4944786 5768917 6293364 6593048 9889572 11537834 12586728 17306751 19779144 23075668 34613502 46151336 69227004 138454008
• Sum of all divisors σ(n): 446880000
• Sum of proper divisors (its aliquot sum) s(n): 308425992
• 138454008 is an abundant number, because the sum of its proper divisors (308425992) is greater than itself. Its abundance is 169971984

Bases of 138454008

• Binary: 1000010000001010001111111000₂
• Hexadecimal: 0x840A3F8
• Base-36: 2AFJSO

Squares and roots of 138454008

• 138454008 squared (138454008²) is 19169512331264064
• 138454008 cubed (138454008³) is 2654095813668933367168512
• The square root of 138454008 is 11766.6481208541
• The cube root of 138454008 is 517.3310087903

Scales and comparisons

• 138,454,008 seconds is equal to 4 years, 20 weeks, 6 days, 11 hours, 26 minutes, 48 seconds.
• To count from 1 to 138,454,008 would take you about six 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 138454008 cubic inches would be around 43.1 feet tall.

Recreational maths with 138454008

• 138454008 backwards is 800454831
• 138454008 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 138454008's digits is 33
• More coming soon!