145356880

Names of 145356880

• Cardinal: 145356880 can be written as One hundred forty-five million, three hundred fifty-six thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 1.4535688 × 10⁸

Factors of 145356880

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 398

Divisors of 145356880

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 71 80 142 157 163 284 314 326 355 568 628 652 710 785 815 1136 1256 1304 1420 1570 1630 2512 2608 2840 3140 3260 5680 6280 6520 11147 11573 12560 13040 22294 23146 25591 44588 46292 51182 55735 57865 89176 92584 102364 111470 115730 127955 178352 185168 204728 222940 231460 255910 409456 445880 462920 511820 891760 925840 1023640 1816961 2047280 3633922 7267844 9084805 14535688 18169610 29071376 36339220 72678440 145356880
• Sum of all divisors σ(n): 347013504
• Sum of proper divisors (its aliquot sum) s(n): 201656624
• 145356880 is an abundant number, because the sum of its proper divisors (201656624) is greater than itself. Its abundance is 56299744

Bases of 145356880

• Binary: 1000101010011111100001010000₂
• Hexadecimal: 0x8A9F850
• Base-36: 2EJI34

Squares and roots of 145356880

• 145356880 squared (145356880²) is 21128622563334400
• 145356880 cubed (145356880³) is 3071190654503890780672000
• The square root of 145356880 is 12056.4041073613
• The cube root of 145356880 is 525.7894457195

Scales and comparisons

• 145,356,880 seconds is equal to 4 years, 32 weeks, 2 days, 8 hours, 54 minutes, 40 seconds.
• To count from 1 to 145,356,880 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 145356880 cubic inches would be around 43.8 feet tall.

Recreational maths with 145356880

• 145356880 backwards is 088653541
• 145356880 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 145356880's digits is 40
• More coming soon!