389380430221148161

Names of 389380430221148161

• Cardinal: 389380430221148161 can be written as Three hundred eighty-nine quadrillion, three hundred eighty trillion, four hundred thirty billion, two hundred twenty-one million, one hundred forty-eight thousand, one hundred sixty-one.

Scientific notation

• Scientific notation: 3.89380430221148161 × 10¹⁷

Factors of 389380430221148161

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 345737063

Divisors of 389380430221148161

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5471 205981 345525611 1126922051 1890370617781 71171710879391 389380430221148161
• Sum of all divisors σ(n): 389453493775304448
• Sum of proper divisors (its aliquot sum) s(n): 73063554156287
• 389380430221148161 is a deficient number, because the sum of its proper divisors (73063554156287) is less than itself. Its deficiency is 389307366666991874

Bases of 389380430221148161

• Binary: 10101100111010110110111000000110001110100100000000000000001₂
• Hexadecimal: 0x5675B7031D20001
• Base-36: 2YHZUC6WW001

Squares and roots of 389380430221148161

• 389380430221148161 squared (389380430221148161²) is 151617119439206432096684969113681921
• 389380430221148161 cubed (389380430221148161³) is 59036739196129406528670848605575440398038586768097281
• The square root of 389380430221148161 is 624003549.8465919473
• The cube root of 389380430221148161 is 730227.2578372419

Scales and comparisons

• 389,380,430,221,148,161 seconds is equal to 12,381,093,248 years, 14 weeks, 4 days, 9 hours, 36 minutes, 1 second.
• To count from 1 to 389,380,430,221,148,161 would take you about thirty-seven billion, one hundred forty-three million, two hundred seventy-nine thousand, seven hundred forty-four 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 389380430221148161 cubic inches would be around 60852.3 feet tall.

Recreational maths with 389380430221148161

• 389380430221148161 backwards is 161841122034083983
• The number of decimal digits it has is: 18
• The sum of 389380430221148161's digits is 64
• More coming soon!