1225201835

Names of 1225201835

• Cardinal: 1225201835 can be written as One billion, two hundred twenty-five million, two hundred one thousand, eight hundred thirty-five.

Scientific notation

• Scientific notation: 1.225201835 × 10⁹

Factors of 1225201835

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 573

Divisors of 1225201835

• Number of divisors d(n): 72
• Complete list of divisors:
  1 5 11 13 23 55 65 115 121 143 169 253 299 521 605 715 845 1265 1495 1573 1859 2605 2783 3289 3887 5731 6773 7865 9295 11983 13915 16445 19435 20449 28655 33865 36179 42757 59915 63041 74503 88049 102245 131813 155779 180895 213785 315205 372515 440245 470327 659065 778895 819533 968539 1449943 1713569 2025127 2351635 4097665 4842695 7249715 8567845 10125635 10653929 18849259 22276397 53269645 94246295 111381985 245040367 1225201835
• Sum of all divisors σ(n): 1829513952
• Sum of proper divisors (its aliquot sum) s(n): 604312117
• 1225201835 is a deficient number, because the sum of its proper divisors (604312117) is less than itself. Its deficiency is 620889718

Bases of 1225201835

• Binary: 1001001000001110001100010101011₂
• Hexadecimal: 0x490718AB
• Base-36: K9GBSB

Squares and roots of 1225201835

• 1225201835 squared (1225201835²) is 1501119536487367225
• 1225201835 cubed (1225201835³) is 1839174410658671778388857875
• The square root of 1225201835 is 35002.8832383849
• The cube root of 1225201835 is 1070.0462422151

Scales and comparisons

• 1,225,201,835 seconds is equal to 38 years, 49 weeks, 5 days, 13 hours, 50 minutes, 35 seconds.
• To count from 1 to 1,225,201,835 would take you about seventy-seven 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 1225201835 cubic inches would be around 89.2 feet tall.

Recreational maths with 1225201835

• 1225201835 backwards is 5381025221
• The number of decimal digits it has is: 10
• The sum of 1225201835's digits is 29
• More coming soon!