145131210

Names of 145131210

• Cardinal: 145131210 can be written as One hundred forty-five million, one hundred thirty-one thousand, two hundred ten.

Scientific notation

• Scientific notation: 1.4513121 × 10⁸

Factors of 145131210

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4551

Divisors of 145131210

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 17 18 21 27 30 34 35 42 45 51 54 63 70 85 90 102 105 119 126 135 153 170 189 210 238 255 270 306 315 357 378 459 510 595 630 714 765 918 945 1071 1190 1530 1785 1890 2142 2295 3213 3570 4517 4590 5355 6426 9034 10710 13551 16065 22585 27102 31619 32130 40653 45170 63238 67755 76789 81306 94857 121959 135510 153578 158095 189714 203265 230367 243918 284571 316190 383945 406530 460734 474285 537523 569142 609795 691101 767890 853713 948570 1075046 1151835 1219590 1382202 1422855 1612569 1707426 2073303 2303670 2687615 2845710 3225138 3455505 4146606 4268565 4837707 5375230 6911010 8062845 8537130 9675414 10366515 14513121 16125690 20733030 24188535 29026242 48377070 72565605 145131210
• Sum of all divisors σ(n): 468426240
• Sum of proper divisors (its aliquot sum) s(n): 323295030
• 145131210 is an abundant number, because the sum of its proper divisors (323295030) is greater than itself. Its abundance is 178163820

Bases of 145131210

• Binary: 1000101001101000011011001010₂
• Hexadecimal: 0x8A686CA
• Base-36: 2EENYI

Squares and roots of 145131210

• 145131210 squared (145131210²) is 21063068116064100
• 145131210 cubed (145131210³) is 3056908561996803270561000
• The square root of 145131210 is 12047.0415455413
• The cube root of 145131210 is 525.5172045935

Scales and comparisons

• 145,131,210 seconds is equal to 4 years, 31 weeks, 6 days, 18 hours, 13 minutes, 30 seconds.
• To count from 1 to 145,131,210 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 145131210 cubic inches would be around 43.8 feet tall.

Recreational maths with 145131210

• 145131210 backwards is 012131541
• 145131210 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 145131210's digits is 18
• More coming soon!