136568640

Names of 136568640

• Cardinal: 136568640 can be written as One hundred thirty-six million, five hundred sixty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.3656864 × 10⁸

Factors of 136568640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 407

Divisors of 136568640

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 31 32 39 40 48 52 60 62 64 65 78 80 93 96 104 120 124 130 155 156 160 186 192 195 208 240 248 260 310 312 320 353 372 390 403 416 465 480 496 520 620 624 706 744 780 806 832 930 960 992 1040 1059 1209 1240 1248 1412 1488 1560 1612 1765 1860 1984 2015 2080 2118 2418 2480 2496 2824 2976 3120 3224 3530 3720 4030 4160 4236 4589 4836 4960 5295 5648 5952 6045 6240 6448 7060 7440 8060 8472 9178 9672 9920 10590 10943 11296 12090 12480 12896 13767 14120 14880 16120 16944 18356 19344 21180 21886 22592 22945 24180 25792 27534 28240 29760 32240 32829 33888 36712 38688 42360 43772 45890 48360 54715 55068 56480 64480 65658 67776 68835 73424 77376 84720 87544 91780 96720 109430 110136 112960 128960 131316 137670 142259 146848 164145 169440 175088 183560 193440 218860 220272 262632 275340 284518 293696 328290 338880 350176 367120 386880 426777 437720 440544 525264 550680 569036 656580 700352 711295 734240 853554 875440 881088 1050528 1101360 1138072 1313160 1422590 1468480 1707108 1750880 2101056 2133885 2202720 2276144 2626320 2845180 3414216 3501760 4267770 4405440 4552288 5252640 5690360 6828432 8535540 9104576 10505280 11380720 13656864 17071080 22761440 27313728 34142160 45522880 68284320 136568640
• Sum of all divisors σ(n): 483388416
• Sum of proper divisors (its aliquot sum) s(n): 346819776
• 136568640 is an abundant number, because the sum of its proper divisors (346819776) is greater than itself. Its abundance is 210251136

Bases of 136568640

• Binary: 1000001000111101111101000000₂
• Hexadecimal: 0x823DF40
• Base-36: 29B51C

Squares and roots of 136568640

• 136568640 squared (136568640²) is 18650993431449600
• 136568640 cubed (136568640³) is 2547140807582005100544000
• The square root of 136568640 is 11686.2585971731
• The cube root of 136568640 is 514.9720536569

Scales and comparisons

• 136,568,640 seconds is equal to 4 years, 17 weeks, 5 days, 15 hours, 44 minutes.
• To count from 1 to 136,568,640 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 136568640 cubic inches would be around 42.9 feet tall.

Recreational maths with 136568640

• 136568640 backwards is 046865631
• 136568640 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 136568640's digits is 39
• More coming soon!