145745160

Names of 145745160

• Cardinal: 145745160 can be written as One hundred forty-five million, seven hundred forty-five thousand, one hundred sixty.

Scientific notation

• Scientific notation: 1.4574516 × 10⁸

Factors of 145745160

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2755

Divisors of 145745160

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 41 44 55 60 66 82 88 110 120 123 132 164 165 205 220 246 264 328 330 410 440 451 492 615 660 820 902 984 1230 1320 1353 1640 1804 2255 2460 2693 2706 3608 4510 4920 5386 5412 6765 8079 9020 10772 10824 13465 13530 16158 18040 21544 26930 27060 29623 32316 40395 53860 54120 59246 64632 80790 88869 107720 110413 118492 148115 161580 177738 220826 236984 296230 323160 331239 355476 441652 444345 552065 592460 662478 710952 883304 888690 1104130 1184920 1214543 1324956 1656195 1777380 2208260 2429086 2649912 3312390 3554760 3643629 4416520 4858172 6072715 6624780 7287258 9716344 12145430 13249560 14574516 18218145 24290860 29149032 36436290 48581720 72872580 145745160
• Sum of all divisors σ(n): 488799360
• Sum of proper divisors (its aliquot sum) s(n): 343054200
• 145745160 is an abundant number, because the sum of its proper divisors (343054200) is greater than itself. Its abundance is 197309040

Bases of 145745160

• Binary: 1000101011111110010100001000₂
• Hexadecimal: 0x8AFE508
• Base-36: 2ERTOO

Squares and roots of 145745160

• 145745160 squared (145745160²) is 21241651663425600
• 145745160 cubed (145745160³) is 3095867920350230220096000
• The square root of 145745160 is 12072.4960136667
• The cube root of 145745160 is 526.2571956595

Scales and comparisons

• 145,745,160 seconds is equal to 4 years, 32 weeks, 6 days, 20 hours, 46 minutes.
• To count from 1 to 145,745,160 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 145745160 cubic inches would be around 43.9 feet tall.

Recreational maths with 145745160

• 145745160 backwards is 061547541
• 145745160 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 145745160's digits is 33
• More coming soon!