166642343840

Names of 166642343840

• Cardinal: 166642343840 can be written as One hundred sixty-six billion, six hundred forty-two million, three hundred forty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.6664234384 × 10¹¹

Factors of 166642343840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 21255415

Divisors of 166642343840

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 70 80 98 112 140 160 196 224 245 280 392 490 560 784 980 1120 1568 1960 3920 7840 21255401 42510802 85021604 106277005 148787807 170043208 212554010 297575614 340086416 425108020 595151228 680172832 743939035 850216040 1041514649 1190302456 1487878070 1700432080 2083029298 2380604912 2975756140 3400864160 4166058596 4761209824 5207573245 5951512280 8332117192 10415146490 11903024560 16664234384 20830292980 23806049120 33328468768 41660585960 83321171920 166642343840
• Sum of all divisors σ(n): 457968891492
• Sum of proper divisors (its aliquot sum) s(n): 291326547652
• 166642343840 is an abundant number, because the sum of its proper divisors (291326547652) is greater than itself. Its abundance is 124684203812

Bases of 166642343840

• Binary: 10011011001100101010000101111110100000₂
• Hexadecimal: 0x26CCA85FA0
• Base-36: 24JYJRFK

Squares and roots of 166642343840

• 166642343840 squared (166642343840²) is 27769670760488785945600
• 166642343840 cubed (166642343840³) is 4627603023192966554010834735104000
• The square root of 166642343840 is 408218.5001197275
• The cube root of 166642343840 is 5502.9443611201

Scales and comparisons

• 166,642,343,840 seconds is equal to 5,298 years, 36 weeks, 6 days, 19 hours, 57 minutes, 20 seconds.
• To count from 1 to 166,642,343,840 would take you about ten thousand, five hundred 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 166642343840 cubic inches would be around 458.6 feet tall.

Recreational maths with 166642343840

• 166642343840 backwards is 048343246661
• The number of decimal digits it has is: 12
• The sum of 166642343840's digits is 47
• More coming soon!