139642650

Names of 139642650

• Cardinal: 139642650 can be written as One hundred thirty-nine million, six hundred forty-two thousand, six hundred fifty.

Scientific notation

• Scientific notation: 1.3964265 × 10⁸

Factors of 139642650

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2128

Divisors of 139642650

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 25 27 30 35 42 45 49 50 54 63 70 75 90 98 105 126 135 147 150 175 189 210 225 245 270 294 315 350 378 441 450 490 525 630 675 735 882 945 1050 1225 1323 1350 1470 1575 1890 2111 2205 2450 2646 3150 3675 4222 4410 4725 6333 6615 7350 9450 10555 11025 12666 13230 14777 18999 21110 22050 29554 31665 33075 37998 44331 52775 56997 63330 66150 73885 88662 94995 103439 105550 113994 132993 147770 158325 189990 206878 221655 265986 284985 310317 316650 369425 398979 443310 474975 517195 569970 620634 664965 738850 797958 930951 949950 1034390 1108275 1329930 1424925 1551585 1861902 1994895 2216550 2585975 2792853 2849850 3103170 3324825 3989790 4654755 5171950 5585706 6649650 7757925 9309510 9974475 13964265 15515850 19948950 23273775 27928530 46547550 69821325 139642650
• Sum of all divisors σ(n): 447828480
• Sum of proper divisors (its aliquot sum) s(n): 308185830
• 139642650 is an abundant number, because the sum of its proper divisors (308185830) is greater than itself. Its abundance is 168543180

Bases of 139642650

• Binary: 1000010100101100011100011010₂
• Hexadecimal: 0x852C71A
• Base-36: 2B50YI

Squares and roots of 139642650

• 139642650 squared (139642650²) is 19500069699022500
• 139642650 cubed (139642650³) is 2723041407956204309625000
• The square root of 139642650 is 11817.0491240411
• The cube root of 139642650 is 518.8072390511

Scales and comparisons

• 139,642,650 seconds is equal to 4 years, 22 weeks, 6 days, 5 hours, 37 minutes, 30 seconds.
• To count from 1 to 139,642,650 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 139642650 cubic inches would be around 43.2 feet tall.

Recreational maths with 139642650

• 139642650 backwards is 056246931
• The number of decimal digits it has is: 9
• The sum of 139642650's digits is 36
• More coming soon!