161397957222

Names of 161397957222

• Cardinal: 161397957222 can be written as One hundred sixty-one billion, three hundred ninety-seven million, nine hundred fifty-seven thousand, two hundred twenty-two.

Scientific notation

• Scientific notation: 1.61397957222 × 10¹¹

Factors of 161397957222

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 130145

Divisors of 161397957222

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 9 18 41 82 123 246 369 738 1681 3362 5043 10086 15129 30258 68921 130099 137842 206763 260198 390297 413526 620289 780594 1170891 1240578 2341782 5334059 10668118 16002177 32004354 48006531 96013062 218696419 437392838 656089257 1312178514 1968267771 3936535542 8966553179 17933106358 26899659537 53799319074 80698978611 161397957222
• Sum of all divisors σ(n): 358440591600
• Sum of proper divisors (its aliquot sum) s(n): 197042634378
• 161397957222 is an abundant number, because the sum of its proper divisors (197042634378) is greater than itself. Its abundance is 35644677156

Bases of 161397957222

• Binary: 10010110010100000100010110001001100110₂
• Hexadecimal: 0x2594116266
• Base-36: 22586CTI

Squares and roots of 161397957222

• 161397957222 squared (161397957222²) is 26049300595434541957284
• 161397957222 cubed (161397957222³) is 4204303903164963331322887183305048
• The square root of 161397957222 is 401743.6461501289
• The cube root of 161397957222 is 5444.6004060841

Scales and comparisons

• 161,397,957,222 seconds is equal to 5,131 years, 49 weeks, 4 days, 21 hours, 53 minutes, 42 seconds.
• To count from 1 to 161,397,957,222 would take you about ten thousand, two hundred sixty-three 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 161397957222 cubic inches would be around 453.7 feet tall.

Recreational maths with 161397957222

• 161397957222 backwards is 222759793161
• The number of decimal digits it has is: 12
• The sum of 161397957222's digits is 54
• More coming soon!