68149620

Names of 68149620

• Cardinal: 68149620 can be written as Sixty-eight million, one hundred forty-nine thousand, six hundred twenty.

Scientific notation

• Scientific notation: 6.814962 × 10⁷

Factors of 68149620

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 177

Divisors of 68149620

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 11 12 14 15 18 20 21 22 27 28 30 33 35 36 42 44 45 54 55 60 63 66 70 77 84 90 99 105 108 110 121 126 132 135 140 149 154 165 180 189 198 210 220 231 242 252 270 297 298 308 315 330 363 378 385 396 420 447 462 484 495 540 594 596 605 630 660 693 726 745 756 770 847 894 924 945 990 1043 1089 1155 1188 1210 1260 1341 1386 1452 1485 1490 1540 1639 1694 1788 1815 1890 1980 2079 2086 2178 2235 2310 2420 2541 2682 2772 2970 2980 3129 3267 3278 3388 3465 3630 3780 4023 4158 4172 4235 4356 4470 4620 4917 5082 5215 5364 5445 5940 6258 6534 6556 6705 6930 7260 7623 8046 8195 8316 8470 8940 9387 9834 10164 10395 10430 10890 11473 12516 12705 13068 13410 13860 14751 15246 15645 16092 16335 16390 16940 18029 18774 19668 20115 20790 20860 21780 22869 22946 24585 25410 26820 28161 29502 30492 31290 32670 32780 34419 36058 37548 38115 40230 41580 44253 45738 45892 46935 49170 50820 54087 56322 57365 59004 62580 65340 68838 72116 73755 76230 80460 88506 90145 91476 93870 98340 103257 108174 112644 114345 114730 126203 137676 140805 147510 152460 162261 172095 177012 180290 187740 206514 216348 221265 228690 229460 252406 270435 281610 295020 309771 324522 344190 360580 378609 413028 442530 457380 486783 504812 516285 540870 563220 619542 631015 649044 688380 757218 811305 885060 973566 1032570 1081740 1135827 1239084 1262030 1514436 1548855 1622610 1893045 1947132 2065140 2271654 2433915 2524060 3097710 3245220 3407481 3786090 4543308 4867830 5679135 6195420 6814962 7572180 9735660 11358270 13629924 17037405 22716540 34074810 68149620
• Sum of all divisors σ(n): 268128000
• Sum of proper divisors (its aliquot sum) s(n): 199978380
• 68149620 is an abundant number, because the sum of its proper divisors (199978380) is greater than itself. Its abundance is 131828760

Bases of 68149620

• Binary: 100000011111110000101110100₂
• Hexadecimal: 0x40FE174
• Base-36: 14KOL0

Squares and roots of 68149620

• 68149620 squared (68149620²) is 4644370706144400
• 68149620 cubed (68149620³) is 316512098762872525128000
• The square root of 68149620 is 8255.2783114805
• The cube root of 68149620 is 408.4646522891

Scales and comparisons

• 68,149,620 seconds is equal to 2 years, 8 weeks, 4 days, 18 hours, 27 minutes.
• To count from 1 to 68,149,620 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 68149620 cubic inches would be around 34 feet tall.

Recreational maths with 68149620

• 68149620 backwards is 02694186
• 68149620 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 68149620's digits is 36
• More coming soon!