42157258817816394

Names of 42157258817816394

• Cardinal: 42157258817816394 can be written as Forty-two quadrillion, one hundred fifty-seven trillion, two hundred fifty-eight billion, eight hundred seventeen million, eight hundred sixteen thousand, three hundred ninety-four.

Scientific notation

• Scientific notation: 4.2157258817816394 × 10¹⁶

Factors of 42157258817816394

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 466640752258

Divisors of 42157258817816394

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 239 378 478 717 1434 1673 2151 3346 4302 5019 6453 10038 12906 15057 30114 45171 90342 466640752007 933281504014 1399922256021 2799844512042 3266485264049 4199766768063 6532970528098 8399533536126 9799455792147 12599300304189 19598911584294 25198600608378 29398367376441 58796734752882 88195102129323 111527139729673 176390204258646 223054279459346 334581419189019 669162838378038 780689978107711 1003744257567057 1561379956215422 2007488515134114 2342069934323133 3011232772701171 4684139868646266 6022465545402342 7026209802969399 14052419605938798 21078629408908197 42157258817816394
• Sum of all divisors σ(n): 107514029262643200
• Sum of proper divisors (its aliquot sum) s(n): 65356770444826806
• 42157258817816394 is an abundant number, because the sum of its proper divisors (65356770444826806) is greater than itself. Its abundance is 23199511627010412

Bases of 42157258817816394

• Binary: 10010101110001011100110110110100100010100100011101001010₂
• Hexadecimal: 0x95C5CDB48A474A
• Base-36: BJ3I1C7YLAI

Squares and roots of 42157258817816394

• 42157258817816394 squared (42157258817816394²) is 1777234471032358105798958295163236
• 42157258817816394 cubed (42157258817816394³) is 74923333575256133406738544381611254073673306890984
• The square root of 42157258817816394 is 205322329.0775175139
• The cube root of 42157258817816394 is 348035.9621140843

Scales and comparisons

• 42,157,258,817,816,394 seconds is equal to 1,340,470,429 years, 23 weeks, 7 hours, 39 minutes, 54 seconds.
• To count from 1 to 42,157,258,817,816,394 would take you about four billion, twenty-one million, four hundred eleven thousand, two hundred eighty-eight 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 42157258817816394 cubic inches would be around 29003 feet tall.

Recreational maths with 42157258817816394

• 42157258817816394 backwards is 49361871885275124
• The number of decimal digits it has is: 17
• The sum of 42157258817816394's digits is 81
• More coming soon!