197994420

Names of 197994420

• Cardinal: 197994420 can be written as One hundred ninety-seven million, nine hundred ninety-four thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.9799442 × 10⁸

Factors of 197994420

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 657

Divisors of 197994420

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 78 90 117 130 156 180 191 195 234 260 382 390 443 468 573 585 764 780 886 955 1146 1170 1329 1719 1772 1910 2215 2292 2340 2483 2658 2865 3438 3820 3987 4430 4966 5316 5730 5759 6645 6876 7449 7974 8595 8860 9932 11460 11518 12415 13290 14898 15948 17190 17277 19935 22347 23036 24830 26580 28795 29796 34380 34554 37245 39870 44694 49660 51831 57590 69108 74490 79740 84613 86385 89388 103662 111735 115180 148980 169226 172770 207324 223470 253839 259155 338452 345540 423065 446940 507678 518310 761517 846130 1015356 1036620 1099969 1269195 1523034 1692260 2199938 2538390 3046068 3299907 3807585 4399876 5076780 5499845 6599814 7615170 9899721 10999690 13199628 15230340 16499535 19799442 21999380 32999070 39598884 49498605 65998140 98997210 197994420
• Sum of all divisors σ(n): 651635712
• Sum of proper divisors (its aliquot sum) s(n): 453641292
• 197994420 is an abundant number, because the sum of its proper divisors (453641292) is greater than itself. Its abundance is 255646872

Bases of 197994420

• Binary: 1011110011010010011110110100₂
• Hexadecimal: 0xBCD27B4
• Base-36: 39VPH0

Squares and roots of 197994420

• 197994420 squared (197994420²) is 39201790351136400
• 197994420 cubed (197994420³) is 7761735743534847858888000
• The square root of 197994420 is 14071.0490014071
• The cube root of 197994420 is 582.8421930381

Scales and comparisons

• 197,994,420 seconds is equal to 6 years, 15 weeks, 2 days, 14 hours, 27 minutes.
• To count from 1 to 197,994,420 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 197994420 cubic inches would be around 48.6 feet tall.

Recreational maths with 197994420

• 197994420 backwards is 024499791
• 197994420 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 197994420's digits is 45
• More coming soon!