121449440

Names of 121449440

• Cardinal: 121449440 can be written as One hundred twenty-one million, four hundred forty-nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.2144944 × 10⁸

Factors of 121449440

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2227

Divisors of 121449440

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 70 80 98 112 140 160 196 224 245 280 343 392 490 560 686 784 980 1120 1372 1568 1715 1960 2213 2744 3430 3920 4426 5488 6860 7840 8852 10976 11065 13720 15491 17704 22130 27440 30982 35408 44260 54880 61964 70816 77455 88520 108437 123928 154910 177040 216874 247856 309820 354080 433748 495712 542185 619640 759059 867496 1084370 1239280 1518118 1734992 2168740 2478560 3036236 3469984 3795295 4337480 6072472 7590590 8674960 12144944 15181180 17349920 24289888 30362360 60724720 121449440
• Sum of all divisors σ(n): 334756800
• Sum of proper divisors (its aliquot sum) s(n): 213307360
• 121449440 is an abundant number, because the sum of its proper divisors (213307360) is greater than itself. Its abundance is 91857920

Bases of 121449440

• Binary: 111001111010010101111100000₂
• Hexadecimal: 0x73D2BE0
• Base-36: 20B2ZK

Squares and roots of 121449440

• 121449440 squared (121449440²) is 14749966476313600
• 121449440 cubed (121449440³) is 1791375168567059984384000
• The square root of 121449440 is 11020.4101557065
• The cube root of 121449440 is 495.2203759745

Scales and comparisons

• 121,449,440 seconds is equal to 3 years, 44 weeks, 5 days, 15 hours, 57 minutes, 20 seconds.
• To count from 1 to 121,449,440 would take you about 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 121449440 cubic inches would be around 41.3 feet tall.

Recreational maths with 121449440

• 121449440 backwards is 044944121
• The number of decimal digits it has is: 9
• The sum of 121449440's digits is 29
• More coming soon!