155225397249

Names of 155225397249

• Cardinal: 155225397249 can be written as One hundred fifty-five billion, two hundred twenty-five million, three hundred ninety-seven thousand, two hundred forty-nine.

Scientific notation

• Scientific notation: 1.55225397249 × 10¹¹

Factors of 155225397249

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1306

Divisors of 155225397249

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 13 27 31 39 81 93 117 243 279 351 403 837 1053 1209 1259 2511 3159 3627 3777 7533 10881 11331 16367 32643 33993 39029 49101 97929 101979 117087 147303 305937 351261 441909 507377 1053783 1325727 1522131 1585081 3161349 3977181 4566393 4755243 9484047 13699179 14265729 20606053 41097537 42797187 49137511 61818159 123292611 128391561 147412533 185454477 385174683 442237599 556363431 638787643 1326712797 1669090293 1916362929 3980138391 5007270879 5749088787 11940415173 17247266361 51741799083 155225397249
• Sum of all divisors σ(n): 258687799552
• Sum of proper divisors (its aliquot sum) s(n): 103462402303
• 155225397249 is a deficient number, because the sum of its proper divisors (103462402303) is less than itself. Its deficiency is 51762994946

Bases of 155225397249

• Binary: 10010000100100001001111001100000000001₂
• Hexadecimal: 0x2424279801
• Base-36: 1ZB56Z29

Squares and roots of 155225397249

• 155225397249 squared (155225397249²) is 24094923951109856768001
• 155225397249 cubed (155225397249³) is 3740144141995472171252446456629249
• The square root of 155225397249 is 393986.5445024741
• The cube root of 155225397249 is 5374.2878854561

Scales and comparisons

• 155,225,397,249 seconds is equal to 4,935 years, 35 weeks, 5 days, 5 hours, 54 minutes, 9 seconds.
• To count from 1 to 155,225,397,249 would take you about nine thousand, eight hundred seventy-one 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 155225397249 cubic inches would be around 447.9 feet tall.

Recreational maths with 155225397249

• 155225397249 backwards is 942793522551
• The number of decimal digits it has is: 12
• The sum of 155225397249's digits is 54
• More coming soon!