198118728

Names of 198118728

• Cardinal: 198118728 can be written as One hundred ninety-eight million, one hundred eighteen thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.98118728 × 10⁸

Factors of 198118728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 716

Divisors of 198118728

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 36 61 72 79 122 158 183 237 244 316 366 474 488 549 571 632 711 732 948 1098 1142 1422 1464 1713 1896 2196 2284 2844 3426 4392 4568 4819 5139 5688 6852 9638 10278 13704 14457 19276 20556 28914 34831 38552 41112 43371 45109 57828 69662 86742 90218 104493 115656 135327 139324 173484 180436 208986 270654 278648 313479 346968 360872 405981 417972 541308 626958 811962 835944 1082616 1253916 1623924 2507832 2751649 3247848 5503298 8254947 11006596 16509894 22013192 24764841 33019788 49529682 66039576 99059364 198118728
• Sum of all divisors σ(n): 553238400
• Sum of proper divisors (its aliquot sum) s(n): 355119672
• 198118728 is an abundant number, because the sum of its proper divisors (355119672) is greater than itself. Its abundance is 157000944

Bases of 198118728

• Binary: 1011110011110000110101001000₂
• Hexadecimal: 0xBCF0D48
• Base-36: 39YDE0

Squares and roots of 198118728

• 198118728 squared (198118728²) is 39251030384337984
• 198118728 cubed (198118728³) is 7776364212434392512164352
• The square root of 198118728 is 14075.4654629963
• The cube root of 198118728 is 582.9641439327

Scales and comparisons

• 198,118,728 seconds is equal to 6 years, 15 weeks, 4 days, 58 minutes, 48 seconds.
• To count from 1 to 198,118,728 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 198118728 cubic inches would be around 48.6 feet tall.

Recreational maths with 198118728

• 198118728 backwards is 827811891
• The number of decimal digits it has is: 9
• The sum of 198118728's digits is 45
• More coming soon!