18070140

Names of 18070140

• Cardinal: 18070140 can be written as Eighteen million, seventy thousand, one hundred forty.

Scientific notation

• Scientific notation: 1.807014 × 10⁷

Factors of 18070140

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 171

Divisors of 18070140

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 10 11 12 15 19 20 22 30 33 38 44 55 57 60 66 76 95 110 114 121 131 132 165 190 209 220 228 242 262 285 330 363 380 393 418 484 524 570 605 627 655 660 726 786 836 1045 1140 1210 1254 1310 1441 1452 1572 1815 1965 2090 2299 2420 2489 2508 2620 2882 3135 3630 3930 4180 4323 4598 4978 5764 6270 6897 7205 7260 7467 7860 8646 9196 9956 11495 12445 12540 13794 14410 14934 15851 17292 21615 22990 24890 27379 27588 28820 29868 31702 34485 37335 43230 45980 47553 49780 54758 63404 68970 74670 79255 82137 86460 95106 109516 136895 137940 149340 158510 164274 190212 237765 273790 301169 317020 328548 410685 475530 547580 602338 821370 903507 951060 1204676 1505845 1642740 1807014 3011690 3614028 4517535 6023380 9035070 18070140
• Sum of all divisors σ(n): 58988160
• Sum of proper divisors (its aliquot sum) s(n): 40918020
• 18070140 is an abundant number, because the sum of its proper divisors (40918020) is greater than itself. Its abundance is 22847880

Bases of 18070140

• Binary: 1000100111011101001111100₂
• Hexadecimal: 0x113BA7C
• Base-36: ARB0C

Squares and roots of 18070140

• 18070140 squared (18070140²) is 326529959619600
• 18070140 cubed (18070140³) is 5900442084520518744000
• The square root of 18070140 is 4250.8987285043
• The cube root of 18070140 is 262.4141034147

Scales and comparisons

• 18,070,140 seconds is equal to 29 weeks, 6 days, 3 hours, 29 minutes.
• To count from 1 to 18,070,140 would take you about forty-four weeks!

  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 18070140 cubic inches would be around 21.9 feet tall.

Recreational maths with 18070140

• 18070140 backwards is 04107081
• The number of decimal digits it has is: 8
• The sum of 18070140's digits is 21
• More coming soon!