135220890

Names of 135220890

• Cardinal: 135220890 can be written as One hundred thirty-five million, two hundred twenty thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.3522089 × 10⁸

Factors of 135220890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 807

Divisors of 135220890

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 17 21 30 34 35 42 49 51 70 85 98 102 105 119 147 170 210 238 245 255 294 343 357 490 510 595 686 714 735 773 833 1029 1190 1470 1546 1666 1715 1785 2058 2319 2499 3430 3570 3865 4165 4638 4998 5145 5411 5831 7730 8330 10290 10822 11595 11662 12495 13141 16233 17493 23190 24990 26282 27055 29155 32466 34986 37877 39423 54110 58310 65705 75754 78846 81165 87465 91987 113631 131410 162330 174930 183974 189385 197115 227262 265139 275961 378770 394230 459935 530278 551922 568155 643909 795417 919870 1136310 1287818 1325695 1379805 1590834 1931727 2651390 2759610 3219545 3863454 3977085 4507363 6439090 7954170 9014726 9658635 13522089 19317270 22536815 27044178 45073630 67610445 135220890
• Sum of all divisors σ(n): 401241600
• Sum of proper divisors (its aliquot sum) s(n): 266020710
• 135220890 is an abundant number, because the sum of its proper divisors (266020710) is greater than itself. Its abundance is 130799820

Bases of 135220890

• Binary: 1000000011110100111010011010₂
• Hexadecimal: 0x80F4E9A
• Base-36: 28I93U

Squares and roots of 135220890

• 135220890 squared (135220890²) is 18284689092392100
• 135220890 cubed (135220890³) is 2472471932446551990969000
• The square root of 135220890 is 11628.4517456109
• The cube root of 135220890 is 513.2724216063

Scales and comparisons

• 135,220,890 seconds is equal to 4 years, 15 weeks, 4 days, 1 hour, 21 minutes, 30 seconds.
• To count from 1 to 135,220,890 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 135220890 cubic inches would be around 42.8 feet tall.

Recreational maths with 135220890

• 135220890 backwards is 098022531
• 135220890 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 135220890's digits is 30
• More coming soon!