121897920650

Names of 121897920650

• Cardinal: 121897920650 can be written as One hundred twenty-one billion, eight hundred ninety-seven million, nine hundred twenty thousand, six hundred fifty.

Scientific notation

• Scientific notation: 1.2189792065 × 10¹¹

Factors of 121897920650

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 234

Divisors of 121897920650

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 10 11 22 25 50 55 67 110 134 149 275 298 335 550 670 737 745 1474 1490 1639 1675 3278 3350 3685 3725 7370 7450 8195 9983 16390 18425 19966 22201 36850 40975 44402 49915 81950 99830 109813 111005 219626 222010 244211 249575 488422 499150 549065 555025 1098130 1110050 1221055 1487467 2442110 2745325 2974934 3307949 5490650 6105275 6615898 7437335 12210550 14874670 16362137 16539745 32724274 33079490 36387439 37186675 72774878 74373350 81810685 82698725 163621370 165397450 181937195 221632583 363874390 409053425 443265166 818106850 909685975 1108162915 1819371950 2216325830 2437958413 4875916826 5540814575 11081629150 12189792065 24379584130 60948960325 121897920650
• Sum of all divisors σ(n): 252729806400
• Sum of proper divisors (its aliquot sum) s(n): 130831885750
• 121897920650 is an abundant number, because the sum of its proper divisors (130831885750) is greater than itself. Its abundance is 8933965100

Bases of 121897920650

• Binary: 1110001100001101011101010100010001010₂
• Hexadecimal: 0x1C61AEA88A
• Base-36: 1JZYVHJE

Squares and roots of 121897920650

• 121897920650 squared (121897920650²) is 14859103058793696422500
• 121897920650 cubed (121897920650³) is 1811293765591006291230093874625000
• The square root of 121897920650 is 349138.8271876963
• The cube root of 121897920650 is 4958.2919978915

Scales and comparisons

• 121,897,920,650 seconds is equal to 3,875 years, 50 weeks, 5 days, 13 hours, 30 minutes, 50 seconds.
• To count from 1 to 121,897,920,650 would take you about seven thousand, seven hundred fifty-one 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 121897920650 cubic inches would be around 413.2 feet tall.

Recreational maths with 121897920650

• 121897920650 backwards is 056029798121
• 121897920650 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 121897920650's digits is 50
• More coming soon!