1225120988

Names of 1225120988

• Cardinal: 1225120988 can be written as One billion, two hundred twenty-five million, one hundred twenty thousand, nine hundred eighty-eight.

Scientific notation

• Scientific notation: 1.225120988 × 10⁹

Factors of 1225120988

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3857

Divisors of 1225120988

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 13 14 19 26 28 38 47 52 76 91 94 133 182 188 247 266 329 364 494 532 611 658 893 988 1222 1316 1729 1786 2444 3458 3572 3769 4277 6251 6916 7538 8554 11609 12502 15076 17108 23218 25004 26383 46436 48997 52766 71611 81263 97994 105532 143222 162526 177143 195988 286444 325052 342979 354286 501277 685958 708572 930943 1002554 1240001 1371916 1861886 2005108 2302859 2480002 3365717 3723772 4605718 4960004 6516601 6731434 9211436 13033202 13462868 16120013 23560019 26066404 32240026 43754321 47120038 64480052 87508642 94240076 175017284 306280247 612560494 1225120988
• Sum of all divisors σ(n): 2837452800
• Sum of proper divisors (its aliquot sum) s(n): 1612331812
• 1225120988 is an abundant number, because the sum of its proper divisors (1612331812) is greater than itself. Its abundance is 387210824

Bases of 1225120988

• Binary: 1001001000001011101110011011100₂
• Hexadecimal: 0x4905DCDC
• Base-36: K9ELEK

Squares and roots of 1225120988

• 1225120988 squared (1225120988²) is 1500921435238096144
• 1225120988 cubed (1225120988³) is 1838810351649274363176270272
• The square root of 1225120988 is 35001.7283573255
• The cube root of 1225120988 is 1070.0227054313

Scales and comparisons

• 1,225,120,988 seconds is equal to 38 years, 49 weeks, 4 days, 15 hours, 23 minutes, 8 seconds.
• To count from 1 to 1,225,120,988 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 1225120988 cubic inches would be around 89.2 feet tall.

Recreational maths with 1225120988

• 1225120988 backwards is 8890215221
• 1225120988 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1225120988's digits is 38
• More coming soon!