121229760640

Names of 121229760640

• Cardinal: 121229760640 can be written as One hundred twenty-one billion, two hundred twenty-nine million, seven hundred sixty thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.2122976064 × 10¹¹

Factors of 121229760640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 6110409

Divisors of 121229760640

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 16 20 31 32 40 62 64 80 124 128 155 160 248 310 320 496 620 640 992 1240 1984 2480 3968 4960 9920 19840 6110371 12220742 24441484 30551855 48882968 61103710 97765936 122207420 189421501 195531872 244414840 378843002 391063744 488829680 757686004 782127488 947107505 977659360 1515372008 1894215010 1955318720 3030744016 3788430020 3910637440 6061488032 7576860040 12122976064 15153720080 24245952128 30307440160 60614880320 121229760640
• Sum of all divisors σ(n): 299163813120
• Sum of proper divisors (its aliquot sum) s(n): 177934052480
• 121229760640 is an abundant number, because the sum of its proper divisors (177934052480) is greater than itself. Its abundance is 56704291840

Bases of 121229760640

• Binary: 1110000111001110110110101100010000000₂
• Hexadecimal: 0x1C39DB5880
• Base-36: 1JOX2HZ4

Squares and roots of 121229760640

• 121229760640 squared (121229760640²) is 14696654864831693209600
• 121229760640 cubed (121229760640³) is 1781671951472237721685721350144000
• The square root of 121229760640 is 348180.6436894503
• The cube root of 121229760640 is 4949.2160869961

Scales and comparisons

• 121,229,760,640 seconds is equal to 3,854 years, 38 weeks, 5 hours, 30 minutes, 40 seconds.
• To count from 1 to 121,229,760,640 would take you about seven thousand, seven hundred 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 121229760640 cubic inches would be around 412.4 feet tall.

Recreational maths with 121229760640

• 121229760640 backwards is 046067922121
• 121229760640 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 121229760640's digits is 40
• More coming soon!