138613248

Names of 138613248

• Cardinal: 138613248 can be written as One hundred thirty-eight million, six hundred thirteen thousand, two hundred forty-eight.

Scientific notation

• Scientific notation: 1.38613248 × 10⁸

Factors of 138613248

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 313

Divisors of 138613248

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 37 48 54 64 72 74 96 108 111 128 144 148 192 216 222 256 271 288 296 333 384 432 444 512 542 576 592 666 768 813 864 888 999 1084 1152 1184 1332 1536 1626 1728 1776 1998 2168 2304 2368 2439 2664 3252 3456 3552 3996 4336 4608 4736 4878 5328 6504 6912 7104 7317 7992 8672 9472 9756 10027 10656 13008 13824 14208 14634 15984 17344 18944 19512 20054 21312 26016 28416 29268 30081 31968 34688 39024 40108 42624 52032 56832 58536 60162 63936 69376 78048 80216 85248 90243 104064 117072 120324 127872 138752 156096 160432 170496 180486 208128 234144 240648 255744 270729 312192 320864 360972 416256 468288 481296 511488 541458 624384 641728 721944 936576 962592 1082916 1248768 1283456 1443888 1873152 1925184 2165832 2566912 2887776 3746304 3850368 4331664 5133824 5775552 7700736 8663328 11551104 15401472 17326656 23102208 34653312 46204416 69306624 138613248
• Sum of all divisors σ(n): 422949120
• Sum of proper divisors (its aliquot sum) s(n): 284335872
• 138613248 is an abundant number, because the sum of its proper divisors (284335872) is greater than itself. Its abundance is 145722624

Bases of 138613248

• Binary: 1000010000110001001000000000₂
• Hexadecimal: 0x8431200
• Base-36: 2AIYO0

Squares and roots of 138613248

• 138613248 squared (138613248²) is 19213632521109504
• 138613248 cubed (138613248³) is 2663264009629416913108992
• The square root of 138613248 is 11773.4127592639
• The cube root of 138613248 is 517.5292653057

Scales and comparisons

• 138,613,248 seconds is equal to 4 years, 21 weeks, 1 day, 7 hours, 40 minutes, 48 seconds.
• To count from 1 to 138,613,248 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 138613248 cubic inches would be around 43.1 feet tall.

Recreational maths with 138613248

• 138613248 backwards is 842316831
• 138613248 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 138613248's digits is 36
• More coming soon!