1538972000

Names of 1538972000

• Cardinal: 1538972000 can be written as One billion, five hundred thirty-eight million, nine hundred seventy-two thousand.

Scientific notation

• Scientific notation: 1.538972 × 10⁹

Factors of 1538972000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 13303

Divisors of 1538972000

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 29 32 40 50 58 80 100 116 125 145 160 200 232 250 290 400 464 500 580 725 800 928 1000 1160 1450 2000 2320 2900 3625 4000 4640 5800 7250 11600 13267 14500 23200 26534 29000 53068 58000 66335 106136 116000 132670 212272 265340 331675 384743 424544 530680 663350 769486 1061360 1326700 1538972 1658375 1923715 2122720 2653400 3077944 3316750 3847430 5306800 6155888 6633500 7694860 9618575 10613600 12311776 13267000 15389720 19237150 26534000 30779440 38474300 48092875 53068000 61558880 76948600 96185750 153897200 192371500 307794400 384743000 769486000 1538972000
• Sum of all divisors σ(n): 3911937120
• Sum of proper divisors (its aliquot sum) s(n): 2372965120
• 1538972000 is an abundant number, because the sum of its proper divisors (2372965120) is greater than itself. Its abundance is 833993120

Bases of 1538972000

• Binary: 1011011101110101101100101100000₂
• Hexadecimal: 0x5BBAD960
• Base-36: PG9IE8

Squares and roots of 1538972000

• 1538972000 squared (1538972000²) is 2368434816784000000
• 1538972000 cubed (1538972000³) is 3644954866855706048000000000
• The square root of 1538972000 is 39229.7336213235
• The cube root of 1538972000 is 1154.5433375191

Scales and comparisons

• 1,538,972,000 seconds is equal to 48 years, 48 weeks, 4 days, 4 hours, 13 minutes, 20 seconds.
• To count from 1 to 1,538,972,000 would take you about ninety-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 1538972000 cubic inches would be around 96.2 feet tall.

Recreational maths with 1538972000

• 1538972000 backwards is 0002798351
• The number of decimal digits it has is: 10
• The sum of 1538972000's digits is 35
• More coming soon!