155142028425

Names of 155142028425

• Cardinal: 155142028425 can be written as One hundred fifty-five billion, one hundred forty-two million, twenty-eight thousand, four hundred twenty-five.

Scientific notation

• Scientific notation: 1.55142028425 × 10¹¹

Factors of 155142028425

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 875

Divisors of 155142028425

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 5 15 25 75 127 277 381 463 635 831 1385 1389 1905 2315 3175 4155 6925 6945 9525 11575 16129 20775 34725 35179 48387 58801 80645 105537 128251 175895 176403 241935 294005 384753 403225 527685 641255 879475 882015 1209675 1470025 1923765 2638425 3206275 4410075 4467733 7467727 9618825 13403199 16287877 22338665 22403181 37338635 48863631 67015995 81439385 111693325 112015905 186693175 244318155 335079975 407196925 560079525 1221590775 2068560379 6205681137 10342801895 31028405685 51714009475 155142028425
• Sum of all divisors σ(n): 260030845056
• Sum of proper divisors (its aliquot sum) s(n): 104888816631
• 155142028425 is a deficient number, because the sum of its proper divisors (104888816631) is less than itself. Its deficiency is 50253211794

Bases of 155142028425

• Binary: 10010000011111001011110111110010001001₂
• Hexadecimal: 0x241F2F7C89
• Base-36: 1Z9RK39L

Squares and roots of 155142028425

• 155142028425 squared (155142028425²) is 24069048983823507980625
• 155142028425 cubed (155142028425³) is 3734121081611064040313338099265625
• The square root of 155142028425 is 393880.7286793809
• The cube root of 155142028425 is 5373.3255680655

Scales and comparisons

• 155,142,028,425 seconds is equal to 4,933 years, 1 week, 6 days, 7 hours, 53 minutes, 45 seconds.
• To count from 1 to 155,142,028,425 would take you about nine thousand, eight hundred sixty-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 155142028425 cubic inches would be around 447.8 feet tall.

Recreational maths with 155142028425

• 155142028425 backwards is 524820241551
• The number of decimal digits it has is: 12
• The sum of 155142028425's digits is 39
• More coming soon!