139814640

Names of 139814640

• Cardinal: 139814640 can be written as One hundred thirty-nine million, eight hundred fourteen thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.3981464 × 10⁸

Factors of 139814640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1338

Divisors of 139814640

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 35 36 40 42 45 48 49 54 56 60 63 70 72 80 84 90 98 105 108 112 120 126 135 140 144 147 168 180 189 196 210 216 240 245 252 270 280 294 315 336 360 378 392 420 432 441 490 504 540 560 588 630 720 735 756 784 840 882 945 980 1008 1080 1176 1260 1321 1323 1470 1512 1680 1764 1890 1960 2160 2205 2352 2520 2642 2646 2940 3024 3528 3780 3920 3963 4410 5040 5284 5292 5880 6605 6615 7056 7560 7926 8820 9247 10568 10584 11760 11889 13210 13230 15120 15852 17640 18494 19815 21136 21168 23778 26420 26460 27741 31704 35280 35667 36988 39630 46235 47556 52840 52920 55482 59445 63408 64729 71334 73976 79260 83223 92470 95112 105680 105840 110964 118890 129458 138705 142668 147952 158520 166446 178335 184940 190224 194187 221928 237780 249669 258916 277410 285336 317040 323645 332892 356670 369880 388374 416115 443856 475560 499338 517832 554820 570672 582561 647290 665784 713340 739760 776748 832230 951120 970935 998676 1035664 1109640 1165122 1248345 1294580 1331568 1426680 1553496 1664460 1747683 1941870 1997352 2219280 2330244 2496690 2589160 2853360 2912805 3106992 3328920 3495366 3883740 3994704 4660488 4993380 5178320 5825610 6657840 6990732 7767480 8738415 9320976 9986760 11651220 13981464 15534960 17476830 19973520 23302440 27962928 34953660 46604880 69907320 139814640
• Sum of all divisors σ(n): 560633760
• Sum of proper divisors (its aliquot sum) s(n): 420819120
• 139814640 is an abundant number, because the sum of its proper divisors (420819120) is greater than itself. Its abundance is 281004480

Bases of 139814640

• Binary: 1000010101010110011011110000₂
• Hexadecimal: 0x85566F0
• Base-36: 2B8PO0

Squares and roots of 139814640

• 139814640 squared (139814640²) is 19548133558329600
• 139814640 cubed (139814640³) is 2733115256129772025344000
• The square root of 139814640 is 11824.3240821623
• The cube root of 139814640 is 519.0201469007

Scales and comparisons

• 139,814,640 seconds is equal to 4 years, 23 weeks, 1 day, 5 hours, 24 minutes.
• To count from 1 to 139,814,640 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 139814640 cubic inches would be around 43.3 feet tall.

Recreational maths with 139814640

• 139814640 backwards is 046418931
• 139814640 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 139814640's digits is 36
• More coming soon!