198363990

Names of 198363990

• Cardinal: 198363990 can be written as One hundred ninety-eight million, three hundred sixty-three thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.9836399 × 10⁸

Factors of 198363990

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1918

Divisors of 198363990

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 10 11 15 17 19 22 30 33 34 38 51 55 57 66 85 95 102 110 114 165 170 187 190 209 255 285 323 330 374 418 510 561 570 627 646 935 969 1045 1122 1254 1615 1861 1870 1938 2090 2805 3135 3230 3553 3722 4845 5583 5610 6270 7106 9305 9690 10659 11166 17765 18610 20471 21318 27915 31637 35359 35530 40942 53295 55830 61413 63274 70718 94911 102355 106077 106590 122826 158185 176795 189822 204710 212154 307065 316370 348007 353590 388949 474555 530385 601103 614130 696014 777898 949110 1044021 1060770 1166847 1202206 1740035 1803309 1944745 2088042 2333694 3005515 3480070 3606618 3889490 5220105 5834235 6011030 6612133 9016545 10440210 11668470 13224266 18033090 19836399 33060665 39672798 66121330 99181995 198363990
• Sum of all divisors σ(n): 579156480
• Sum of proper divisors (its aliquot sum) s(n): 380792490
• 198363990 is an abundant number, because the sum of its proper divisors (380792490) is greater than itself. Its abundance is 182428500

Bases of 198363990

• Binary: 1011110100101100101101010110₂
• Hexadecimal: 0xBD2CB56
• Base-36: 3A3MMU

Squares and roots of 198363990

• 198363990 squared (198363990²) is 39348272528720100
• 198363990 cubed (198363990³) is 7805280338404308629199000
• The square root of 198363990 is 14084.1751622167
• The cube root of 198363990 is 583.2046057901

Scales and comparisons

• 198,363,990 seconds is equal to 6 years, 15 weeks, 6 days, 21 hours, 6 minutes, 30 seconds.
• To count from 1 to 198,363,990 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 198363990 cubic inches would be around 48.6 feet tall.

Recreational maths with 198363990

• 198363990 backwards is 099363891
• The number of decimal digits it has is: 9
• The sum of 198363990's digits is 48
• More coming soon!