68207130

Names of 68207130

• Cardinal: 68207130 can be written as Sixty-eight million, two hundred seven thousand, one hundred thirty.

Scientific notation

• Scientific notation: 6.820713 × 10⁷

Factors of 68207130

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 351

Divisors of 68207130

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 29 30 31 45 54 58 62 87 90 93 135 145 155 174 186 261 270 279 281 290 310 435 465 522 558 562 783 837 843 870 899 930 1305 1395 1405 1566 1674 1686 1798 2529 2610 2697 2790 2810 3915 4185 4215 4495 5058 5394 7587 7830 8091 8149 8370 8430 8711 8990 12645 13485 15174 16182 16298 17422 24273 24447 25290 26133 26970 37935 40455 40745 43555 48546 48894 52266 73341 75870 78399 80910 81490 87110 121365 122235 130665 146682 156798 220023 235197 242730 244470 252619 261330 366705 391995 440046 470394 505238 733410 757857 783990 1100115 1175985 1263095 1515714 2200230 2273571 2351970 2526190 3789285 4547142 6820713 7578570 11367855 13641426 22735710 34103565 68207130
• Sum of all divisors σ(n): 194918400
• Sum of proper divisors (its aliquot sum) s(n): 126711270
• 68207130 is an abundant number, because the sum of its proper divisors (126711270) is greater than itself. Its abundance is 58504140

Bases of 68207130

• Binary: 100000100001100001000011010₂
• Hexadecimal: 0x410C21A
• Base-36: 14LWYI

Squares and roots of 68207130

• 68207130 squared (68207130²) is 4652212582836900
• 68207130 cubed (68207130³) is 317314068425192207097000
• The square root of 68207130 is 8258.7608029293
• The cube root of 68207130 is 408.5795181655

Scales and comparisons

• 68,207,130 seconds is equal to 2 years, 8 weeks, 5 days, 10 hours, 25 minutes, 30 seconds.
• To count from 1 to 68,207,130 would take you about three 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 68207130 cubic inches would be around 34 feet tall.

Recreational maths with 68207130

• 68207130 backwards is 03170286
• 68207130 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 68207130's digits is 27
• More coming soon!