161021438352

Names of 161021438352

• Cardinal: 161021438352 can be written as One hundred sixty-one billion, twenty-one million, four hundred thirty-eight thousand, three hundred fifty-two.

Scientific notation

• Scientific notation: 1.61021438352 × 10¹¹

Factors of 161021438352

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 13804998

Divisors of 161021438352

• Number of divisors d(n): 70
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 243 324 432 486 648 729 972 1296 1458 1944 2916 3888 5832 11664 13804993 27609986 41414979 55219972 82829958 110439944 124244937 165659916 220879888 248489874 331319832 372734811 496979748 662639664 745469622 993959496 1118204433 1490939244 1987918992 2236408866 2981878488 3354613299 4472817732 5963756976 6709226598 8945635464 10063839897 13418453196 17891270928 20127679794 26836906392 40255359588 53673812784 80510719176 161021438352
• Sum of all divisors σ(n): 467754611702
• Sum of proper divisors (its aliquot sum) s(n): 306733173350
• 161021438352 is an abundant number, because the sum of its proper divisors (306733173350) is greater than itself. Its abundance is 145711734998

Bases of 161021438352

• Binary: 10010101111101101000000010100110010000₂
• Hexadecimal: 0x257DA02990
• Base-36: 21Z00900

Squares and roots of 161021438352

• 161021438352 squared (161021438352²) is 25927903608946936475904
• 161021438352 cubed (161021438352³) is 4174948332564647447394036069470208
• The square root of 161021438352 is 401274.7666524771
• The cube root of 161021438352 is 5440.3632789767

Scales and comparisons

• 161,021,438,352 seconds is equal to 5,119 years, 51 weeks, 1 day, 1 hour, 19 minutes, 12 seconds.
• To count from 1 to 161,021,438,352 would take you about ten thousand, two hundred thirty-nine 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 161021438352 cubic inches would be around 453.4 feet tall.

Recreational maths with 161021438352

• 161021438352 backwards is 253834120161
• 161021438352 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 161021438352's digits is 36
• More coming soon!