121621147208

Names of 121621147208

• Cardinal: 121621147208 can be written as One hundred twenty-one billion, six hundred twenty-one million, one hundred forty-seven thousand, two hundred eight.

Scientific notation

• Scientific notation: 1.21621147208 × 10¹¹

Factors of 121621147208

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1032

Divisors of 121621147208

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 8 11 22 44 88 121 242 484 968 1019 1331 2038 2662 4076 5324 8152 10648 11209 14641 22418 29282 44836 58564 89672 117128 123299 246598 493196 986392 1038361 1356289 2076722 2712578 4153444 5425156 8306888 10850312 11421971 14919179 22843942 29838358 45687884 59676716 91375768 119353432 125641681 251283362 502566724 1005133448 1382058491 2764116982 5528233964 11056467928 15202643401 30405286802 60810573604 121621147208
• Sum of all divisors σ(n): 251088465075
• Sum of proper divisors (its aliquot sum) s(n): 129467317867
• 121621147208 is an abundant number, because the sum of its proper divisors (129467317867) is greater than itself. Its abundance is 7846170659

Bases of 121621147208

• Binary: 1110001010001001011110110111001001000₂
• Hexadecimal: 0x1C512F6E48
• Base-36: 1JVE39S8

Squares and roots of 121621147208

• 121621147208 squared (121621147208²) is 14791703448190006195264
• 121621147208 cubed (121621147208³) is 1798983942529397944628634936422912
• The square root of 121621147208 is 348742.2360540805
• The cube root of 121621147208 is 4954.5364963387

Scales and comparisons

• 121,621,147,208 seconds is equal to 3,867 years, 9 weeks, 1 day, 4 hours, 8 seconds.
• To count from 1 to 121,621,147,208 would take you about seven thousand, seven hundred thirty-four 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 121621147208 cubic inches would be around 412.9 feet tall.

Recreational maths with 121621147208

• 121621147208 backwards is 802741126121
• The number of decimal digits it has is: 12
• The sum of 121621147208's digits is 35
• More coming soon!