161027508838860072

Names of 161027508838860072

• Cardinal: 161027508838860072 can be written as One hundred sixty-one quadrillion, twenty-seven trillion, five hundred eight billion, eight hundred thirty-eight million, eight hundred sixty thousand and seventy-two.

Scientific notation

• Scientific notation: 1.61027508838860072 × 10¹⁷

Factors of 161027508838860072

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2236493178317506

Divisors of 161027508838860072

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 36 72 2236493178317501 4472986356635002 6709479534952503 8945972713270004 13418959069905006 17891945426540008 20128438604857509 26837918139810012 40256877209715018 53675836279620024 80513754419430036 161027508838860072
• Sum of all divisors σ(n): 436116169771912890
• Sum of proper divisors (its aliquot sum) s(n): 275088660933052818
• 161027508838860072 is an abundant number, because the sum of its proper divisors (275088660933052818) is greater than itself. Its abundance is 114061152094192746

Bases of 161027508838860072

• Binary: 1000111100000101011010101010000111011010000000010100101000₂
• Hexadecimal: 0x23C15AA87680528
• Base-36: 181JHKBNL2Y0

Squares and roots of 161027508838860072

• 161027508838860072 squared (161027508838860072²) is 25929858602849158613407372395845184
• 161027508838860072 cubed (161027508838860072³) is 4175420535360684765949589165313268106630975551093248
• The square root of 161027508838860072 is 401282330.5839170287
• The cube root of 161027508838860072 is 544043.1645108831

Scales and comparisons

• 161,027,508,838,860,072 seconds is equal to 5,120,176,690 years, 14 weeks, 6 days, 14 hours, 1 minute, 12 seconds.
• To count from 1 to 161,027,508,838,860,072 would take you about fifteen billion, three hundred sixty million, five hundred thirty thousand and seventy 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 161027508838860072 cubic inches would be around 45336.9 feet tall.

Recreational maths with 161027508838860072

• 161027508838860072 backwards is 270068838805720161
• 161027508838860072 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 161027508838860072's digits is 72
• More coming soon!