997791228

Names of 997791228

• Cardinal: 997791228 can be written as Nine hundred ninety-seven million, seven hundred ninety-one thousand, two hundred twenty-eight.

Scientific notation

• Scientific notation: 9.97791228 × 10⁸

Factors of 997791228

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4878

Divisors of 997791228

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 1033 2066 3099 3833 4132 6198 7231 7666 9297 11499 12396 14462 15332 18594 21693 22998 26831 28924 34497 37188 43386 45996 53662 65079 68994 80493 86772 107324 130158 137988 160986 241479 260316 321972 482958 965916 3959489 7918978 11878467 15837956 23756934 27716423 35635401 47513868 55432846 71270802 83149269 110865692 142541604 166298538 249447807 332597076 498895614 997791228
• Sum of all divisors σ(n): 2886051168
• Sum of proper divisors (its aliquot sum) s(n): 1888259940
• 997791228 is an abundant number, because the sum of its proper divisors (1888259940) is greater than itself. Its abundance is 890468712

Bases of 997791228

• Binary: 111011011110010001010111111100₂
• Hexadecimal: 0x3B7915FC
• Base-36: GI24N0

Squares and roots of 997791228

• 997791228 squared (997791228²) is 995587334673747984
• 997791228 cubed (997791228³) is 993388309245365980317884352
• The square root of 997791228 is 31587.8335439453
• The cube root of 997791228 is 999.2631999253

Scales and comparisons

• 997,791,228 seconds is equal to 31 years, 37 weeks, 5 days, 12 hours, 13 minutes, 48 seconds.
• To count from 1 to 997,791,228 would take you about forty-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 997791228 cubic inches would be around 83.3 feet tall.

Recreational maths with 997791228

• 997791228 backwards is 822197799
• The number of decimal digits it has is: 9
• The sum of 997791228's digits is 54
• More coming soon!