135989280

Names of 135989280

• Cardinal: 135989280 can be written as One hundred thirty-five million, nine hundred eighty-nine thousand, two hundred eighty.

Scientific notation

• Scientific notation: 1.3598928 × 10⁸

Factors of 135989280

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1516

Divisors of 135989280

• 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 32 35 36 40 42 45 48 54 56 60 63 70 72 80 81 84 90 96 105 108 112 120 126 135 140 144 160 162 168 180 189 210 216 224 240 252 270 280 288 315 324 336 360 378 405 420 432 480 504 540 560 567 630 648 672 720 756 810 840 864 945 1008 1080 1120 1134 1260 1296 1440 1499 1512 1620 1680 1890 2016 2160 2268 2520 2592 2835 2998 3024 3240 3360 3780 4320 4497 4536 5040 5670 5996 6048 6480 7495 7560 8994 9072 10080 10493 11340 11992 12960 13491 14990 15120 17988 18144 20986 22485 22680 23984 26982 29980 30240 31479 35976 40473 41972 44970 45360 47968 52465 53964 59960 62958 67455 71952 80946 83944 89940 90720 94437 104930 107928 119920 121419 125916 134910 143904 157395 161892 167888 179880 188874 202365 209860 215856 239840 242838 251832 269820 283311 314790 323784 335776 359760 377748 404730 419720 431712 472185 485676 503664 539640 566622 607095 629580 647568 719520 755496 809460 839440 849933 944370 971352 1007328 1079280 1133244 1214190 1259160 1295136 1416555 1510992 1618920 1678880 1699866 1888740 1942704 2158560 2266488 2428380 2518320 2833110 3021984 3237840 3399732 3777480 3885408 4249665 4532976 4856760 5036640 5666220 6475680 6799464 7554960 8499330 9065952 9713520 11332440 13598928 15109920 16998660 19427040 22664880 27197856 33997320 45329760 67994640 135989280
• Sum of all divisors σ(n): 548856000
• Sum of proper divisors (its aliquot sum) s(n): 412866720
• 135989280 is an abundant number, because the sum of its proper divisors (412866720) is greater than itself. Its abundance is 276877440

Bases of 135989280

• Binary: 1000000110110000100000100000₂
• Hexadecimal: 0x81B0820
• Base-36: 28YQ00

Squares and roots of 135989280

• 135989280 squared (135989280²) is 18493084274918400
• 135989280 cubed (135989280³) is 2514861215525475274752000
• The square root of 135989280 is 11661.4441644249
• The cube root of 135989280 is 514.2428059439

Scales and comparisons

• 135,989,280 seconds is equal to 4 years, 16 weeks, 5 days, 22 hours, 48 minutes.
• To count from 1 to 135,989,280 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 135989280 cubic inches would be around 42.9 feet tall.

Recreational maths with 135989280

• 135989280 backwards is 082989531
• 135989280 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 135989280's digits is 45
• More coming soon!