145072200

Names of 145072200

• Cardinal: 145072200 can be written as One hundred forty-five million, seventy-two thousand, two hundred.

Scientific notation

• Scientific notation: 1.450722 × 10⁸

Factors of 145072200

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2687

Divisors of 145072200

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 20 21 24 25 26 28 30 35 39 40 42 50 52 56 60 65 70 75 78 84 91 100 104 105 120 130 140 150 156 168 175 182 195 200 210 260 273 280 300 312 325 350 364 390 420 455 520 525 546 600 650 700 728 780 840 910 975 1050 1092 1300 1365 1400 1560 1820 1950 2100 2184 2275 2600 2657 2730 3640 3900 4200 4550 5314 5460 6825 7800 7971 9100 10628 10920 13285 13650 15942 18200 18599 21256 26570 27300 31884 34541 37198 39855 53140 54600 55797 63768 66425 69082 74396 79710 92995 103623 106280 111594 132850 138164 148792 159420 172705 185990 199275 207246 223188 241787 265700 276328 278985 318840 345410 371980 398550 414492 446376 464975 483574 518115 531400 557970 690820 725361 743960 797100 828984 863525 929950 967148 1036230 1115940 1208935 1381640 1394925 1450722 1594200 1727050 1859900 1934296 2072460 2231880 2417870 2590575 2789850 2901444 3454100 3626805 3719800 4144920 4835740 5181150 5579700 5802888 6044675 6908200 7253610 9671480 10362300 11159400 12089350 14507220 18134025 20724600 24178700 29014440 36268050 48357400 72536100 145072200
• Sum of all divisors σ(n): 553714560
• Sum of proper divisors (its aliquot sum) s(n): 408642360
• 145072200 is an abundant number, because the sum of its proper divisors (408642360) is greater than itself. Its abundance is 263570160

Bases of 145072200

• Binary: 1000101001011010000001001000₂
• Hexadecimal: 0x8A5A048
• Base-36: 2EDEFC

Squares and roots of 145072200

• 145072200 squared (145072200²) is 21045943212840000
• 145072200 cubed (145072200³) is 3053181282961767048000000
• The square root of 145072200 is 12044.5921475157
• The cube root of 145072200 is 525.4459702619

Scales and comparisons

• 145,072,200 seconds is equal to 4 years, 31 weeks, 6 days, 1 hour, 50 minutes.
• To count from 1 to 145,072,200 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 145072200 cubic inches would be around 43.8 feet tall.

Recreational maths with 145072200

• 145072200 backwards is 002270541
• 145072200 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 145072200's digits is 21
• More coming soon!