121901742222490

Names of 121901742222490

• Cardinal: 121901742222490 can be written as One hundred twenty-one trillion, nine hundred one billion, seven hundred forty-two million, two hundred twenty-two thousand, four hundred ninety.

Scientific notation

• Scientific notation: 1.2190174222249 × 10¹⁴

Factors of 121901742222490

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 83

Divisors of 121901742222490

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 5 10 17 34 59 85 118 170 289 295 578 590 1003 1445 2006 2890 3481 5015 6962 10030 17051 17405 34102 34810 59177 85255 118354 170510 205379 295885 410758 591770 1006009 1026895 2012018 2053790 3491443 5030045 6982886 10060090 12117361 17457215 24234722 34914430 59354531 60586805 118709062 121173610 205995137 296772655 411990274 593545310 714924299 1029975685 1429848598 2059951370 3501917329 3574621495 7003834658 7149242990 12153713083 17509586645 24307426166 35019173290 42180533641 60768565415 84361067282 121537130830 206613122411 210902668205 413226244822 421805336410 717069071897 1033065612055 1434138143794 2066131224110 3585345359485 7170690718970 12190174222249 24380348444498 60950871111245 121901742222490
• Sum of all divisors σ(n): 237108415605246
• Sum of proper divisors (its aliquot sum) s(n): 115206673382756
• 121901742222490 is a deficient number, because the sum of its proper divisors (115206673382756) is less than itself. Its deficiency is 6695068839734

Bases of 121901742222490

• Binary: 11011101101111001110110000010101110110010011010₂
• Hexadecimal: 0x6EDE760AEC9A
• Base-36: 177KVXWQSA

Squares and roots of 121901742222490

• 121901742222490 squared (121901742222490²) is 14860034756878401204661800100
• 121901742222490 cubed (121901742222490³) is 1811464126350232722081047437070978104249000
• The square root of 121901742222490 is 11040912.2006512669
• The cube root of 121901742222490 is 49583.4381248687
• Being both a perfect square and a perfect cube, 121901742222490 is also a perfect sixth number.

Scales and comparisons

• 121,901,742,222,490 seconds is equal to 3,876,098 years, 17 weeks, 3 days, 5 hours, 48 minutes, 10 seconds.
• To count from 1 to 121,901,742,222,490 would take you about nine million, six hundred ninety thousand, two hundred forty-five 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 121901742222490 cubic inches would be around 4132 feet tall.

Recreational maths with 121901742222490

• 121901742222490 backwards is 094222247109121
• The number of decimal digits it has is: 15
• The sum of 121901742222490's digits is 46
• More coming soon!