30897121353872

Names of 30897121353872

• Cardinal: 30897121353872 can be written as Thirty trillion, eight hundred ninety-seven billion, one hundred twenty-one million, three hundred fifty-three thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 3.0897121353872 × 10¹³

Factors of 30897121353872

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1583985

Divisors of 30897121353872

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 8 16 43 86 172 344 688 28879 57758 115516 231032 462064 1241797 1555061 2483594 3110122 4967188 6220244 9934376 12440488 19868752 24880976 66867623 133735246 267470492 534940984 1069881968 44908606619 89817213238 179634426476 359268852952 718537705904 1931070084617 3862140169234 7724280338468 15448560676936 30897121353872
• Sum of all divisors σ(n): 61257499923840
• Sum of proper divisors (its aliquot sum) s(n): 30360378569968
• 30897121353872 is a deficient number, because the sum of its proper divisors (30360378569968) is less than itself. Its deficiency is 536742783904

Bases of 30897121353872

• Binary: 111000001100111001011111100010110000010010000₂
• Hexadecimal: 0x1C19CBF16090
• Base-36: AY9XWBB0W

Squares and roots of 30897121353872

• 30897121353872 squared (30897121353872²) is 954632107955893130249392384
• 30897121353872 cubed (30897121353872³) is 29495384087815866014952050452539445710848
• The square root of 30897121353872 is 5558517.9098274029
• The cube root of 30897121353872 is 31379.0173670307

Scales and comparisons

• 30,897,121,353,872 seconds is equal to 982,432 years, 46 weeks, 1 day, 5 hours, 24 minutes, 32 seconds.
• To count from 1 to 30,897,121,353,872 would take you about two million, four hundred fifty-six thousand and eighty-two 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 30897121353872 cubic inches would be around 2614.9 feet tall.

Recreational maths with 30897121353872

• 30897121353872 backwards is 27835312179803
• The number of decimal digits it has is: 14
• The sum of 30897121353872's digits is 59
• More coming soon!