12145790415309421

Names of 12145790415309421

• Cardinal: 12145790415309421 can be written as Twelve quadrillion, one hundred forty-five trillion, seven hundred ninety billion, four hundred fifteen million, three hundred nine thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 1.2145790415309421 × 10¹⁶

Factors of 12145790415309421

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 15016

Divisors of 12145790415309421

• Number of divisors d(n): 54
• Complete list of divisors:
  1 13 61 73 169 793 949 4453 5329 10309 12337 14869 57889 69277 193297 325069 752557 900601 907009 1085437 2512861 4225897 11791117 14110681 54936661 66211657 79236901 153284521 183438853 221087161 860751541 1030079713 2874133093 4833450961 11189770033 13391036269 13486316821 16139362753 37363730209 62834862493 175322118673 209811715789 816853212409 984501127933 1178173480969 2279187542749 2727552305257 12798514663129 15316255252597 71868582339109 166380690620677 199111318283761 934291570408417 12145790415309421
• Sum of all divisors σ(n): 13554093547051578
• Sum of proper divisors (its aliquot sum) s(n): 1408303131742157
• 12145790415309421 is a deficient number, because the sum of its proper divisors (1408303131742157) is less than itself. Its deficiency is 10737487283567264

Bases of 12145790415309421

• Binary: 101011001001101000100000110011001110001000101001101101₂
• Hexadecimal: 0x2B268833388A6D
• Base-36: 3BLBN369COD

Squares and roots of 12145790415309421

• 12145790415309421 squared (12145790415309421²) is 147520224812622197457095171355241
• 12145790415309421 cubed (12145790415309421³) is 1791749732593437712372370278948640542830925025461
• The square root of 12145790415309421 is 110207941.7070721859
• The cube root of 12145790415309421 is 229866.2764910941

Scales and comparisons

• 12,145,790,415,309,421 seconds is equal to 386,198,565 years, 42 weeks, 23 hours, 17 minutes, 1 second.
• To count from 1 to 12,145,790,415,309,421 would take you about one billion, one hundred fifty-eight million, five hundred ninety-five thousand, six 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 12145790415309421 cubic inches would be around 19155.5 feet tall.

Recreational maths with 12145790415309421

• 12145790415309421 backwards is 12490351409754121
• The number of decimal digits it has is: 17
• The sum of 12145790415309421's digits is 58
• More coming soon!