197211420

Names of 197211420

• Cardinal: 197211420 can be written as One hundred ninety-seven million, two hundred eleven thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.9721142 × 10⁸

Factors of 197211420

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 855

Divisors of 197211420

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 281 315 420 557 562 630 843 1114 1124 1260 1405 1671 1686 1967 2228 2529 2785 2810 3342 3372 3899 3934 4215 5013 5058 5570 5620 5901 6684 7798 7868 8355 8430 9835 10026 10116 11140 11697 11802 12645 15596 16710 16860 17703 19495 19670 20052 23394 23604 25065 25290 29505 33420 35091 35406 38990 39340 46788 50130 50580 58485 59010 70182 70812 77980 88515 100260 116970 118020 140364 156517 175455 177030 233940 313034 350910 354060 469551 626068 701820 782585 939102 1095619 1408653 1565170 1878204 2191238 2347755 2817306 3130340 3286857 4382476 4695510 5478095 5634612 6573714 7043265 9391020 9860571 10956190 13147428 14086530 16434285 19721142 21912380 28173060 32868570 39442284 49302855 65737140 98605710 197211420
• Sum of all divisors σ(n): 687331008
• Sum of proper divisors (its aliquot sum) s(n): 490119588
• 197211420 is an abundant number, because the sum of its proper divisors (490119588) is greater than itself. Its abundance is 292908168

Bases of 197211420

• Binary: 1011110000010011010100011100₂
• Hexadecimal: 0xBC1351C
• Base-36: 39EXB0

Squares and roots of 197211420

• 197211420 squared (197211420²) is 38892344178416400
• 197211420 cubed (197211420³) is 7670014422554231595288000
• The square root of 197211420 is 14043.1983536515
• The cube root of 197211420 is 582.0728643671

Scales and comparisons

• 197,211,420 seconds is equal to 6 years, 14 weeks, 12 hours, 57 minutes.
• To count from 1 to 197,211,420 would take you about 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 197211420 cubic inches would be around 48.5 feet tall.

Recreational maths with 197211420

• 197211420 backwards is 024112791
• The number of decimal digits it has is: 9
• The sum of 197211420's digits is 27
• More coming soon!