145605740

Names of 145605740

• Cardinal: 145605740 can be written as One hundred forty-five million, six hundred five thousand, seven hundred forty.

Scientific notation

• Scientific notation: 1.4560574 × 10⁸

Factors of 145605740

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 143

Divisors of 145605740

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 10 14 19 20 28 35 38 43 67 70 76 86 95 133 134 140 172 190 215 266 268 301 335 361 380 430 469 532 602 665 670 722 817 860 938 1204 1273 1330 1340 1444 1505 1634 1805 1876 2345 2527 2546 2660 2881 3010 3268 3610 4085 4690 5054 5092 5719 5762 6020 6365 7220 8170 8911 9380 10108 11438 11524 12635 12730 14405 15523 16340 17822 20167 22876 24187 25270 25460 28595 28810 31046 35644 40334 44555 48374 50540 54739 57190 57620 62092 77615 80668 89110 96748 100835 108661 109478 114380 120935 155230 169309 178220 201670 217322 218956 241870 273695 310460 338618 383173 403340 434644 483740 543305 547390 677236 766346 846545 1040041 1086610 1094780 1532692 1693090 1915865 2080082 2173220 3386180 3831730 4160164 5200205 7280287 7663460 10400410 14560574 20800820 29121148 36401435 72802870 145605740
• Sum of all divisors σ(n): 383023872
• Sum of proper divisors (its aliquot sum) s(n): 237418132
• 145605740 is an abundant number, because the sum of its proper divisors (237418132) is greater than itself. Its abundance is 91812392

Bases of 145605740

• Binary: 1000101011011100010001101100₂
• Hexadecimal: 0x8ADC46C
• Base-36: 2EOU3W

Squares and roots of 145605740

• 145605740 squared (145605740²) is 21201031520947600
• 145605740 cubed (145605740³) is 3086991883370900799224000
• The square root of 145605740 is 12066.7203497883
• The cube root of 145605740 is 526.0893360289

Scales and comparisons

• 145,605,740 seconds is equal to 4 years, 32 weeks, 5 days, 6 hours, 2 minutes, 20 seconds.
• To count from 1 to 145,605,740 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 145605740 cubic inches would be around 43.8 feet tall.

Recreational maths with 145605740

• 145605740 backwards is 047506541
• The number of decimal digits it has is: 9
• The sum of 145605740's digits is 32
• More coming soon!