139880790

Names of 139880790

• Cardinal: 139880790 can be written as One hundred thirty-nine million, eight hundred eighty thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 1.3988079 × 10⁸

Factors of 139880790

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 223

Divisors of 139880790

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 49 54 63 70 90 97 98 105 109 126 135 147 189 194 210 218 245 270 291 294 315 327 378 441 485 490 545 582 630 654 679 735 763 873 882 945 970 981 1090 1323 1358 1455 1470 1526 1635 1746 1890 1962 2037 2205 2289 2619 2646 2910 2943 3270 3395 3815 4074 4365 4410 4578 4753 4905 5238 5341 5886 6111 6615 6790 6867 7630 8730 9506 9810 10185 10573 10682 11445 12222 13095 13230 13734 14259 14715 16023 18333 20370 20601 21146 22890 23765 26190 26705 28518 29430 30555 31719 32046 34335 36666 41202 42777 47530 48069 52865 53410 61110 63438 68670 71295 74011 80115 85554 91665 95157 96138 103005 105730 128331 142590 144207 148022 158595 160230 183330 190314 206010 213885 222033 240345 256662 285471 288414 317190 370055 427770 444066 475785 480690 518077 570942 641655 666099 721035 740110 951570 1036154 1110165 1283310 1332198 1427355 1442070 1554231 1998297 2220330 2590385 2854710 3108462 3330495 3996594 4662693 5180770 6660990 7771155 9325386 9991485 13988079 15542310 19982970 23313465 27976158 46626930 69940395 139880790
• Sum of all divisors σ(n): 442411200
• Sum of proper divisors (its aliquot sum) s(n): 302530410
• 139880790 is an abundant number, because the sum of its proper divisors (302530410) is greater than itself. Its abundance is 162649620

Bases of 139880790

• Binary: 1000010101100110100101010110₂
• Hexadecimal: 0x8566956
• Base-36: 2BA4PI

Squares and roots of 139880790

• 139880790 squared (139880790²) is 19566635411024100
• 139880790 cubed (139880790³) is 2736996418936025817039000
• The square root of 139880790 is 11827.1209514403
• The cube root of 139880790 is 519.1019880429

Scales and comparisons

• 139,880,790 seconds is equal to 4 years, 23 weeks, 1 day, 23 hours, 46 minutes, 30 seconds.
• To count from 1 to 139,880,790 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 139880790 cubic inches would be around 43.3 feet tall.

Recreational maths with 139880790

• 139880790 backwards is 097088931
• 139880790 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 139880790's digits is 45
• More coming soon!