1998908148

Names of 1998908148

• Cardinal: 1998908148 can be written as One billion, nine hundred ninety-eight million, nine hundred eight thousand, one hundred forty-eight.

Scientific notation

• Scientific notation: 1.998908148 × 10⁹

Factors of 1998908148

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 6675

Divisors of 1998908148

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 12 19 31 38 43 57 62 76 86 93 114 124 129 172 186 228 258 372 516 589 817 1178 1333 1634 1767 2356 2451 2666 3268 3534 3999 4902 5332 6577 7068 7998 9804 13154 15996 19731 25327 26308 39462 50654 75981 78924 101308 124963 151962 203887 249926 282811 303924 374889 407774 499852 565622 611661 749778 815548 848433 1131244 1223322 1499556 1696866 2446644 3393732 3873853 5373409 7747706 8767141 10746818 11621559 15495412 16120227 17534282 21493636 23243118 26301423 32240454 35068564 46486236 52602846 64480908 105205692 166575679 333151358 499727037 666302716 999454074 1998908148
• Sum of all divisors σ(n): 5186621440
• Sum of proper divisors (its aliquot sum) s(n): 3187713292
• 1998908148 is an abundant number, because the sum of its proper divisors (3187713292) is greater than itself. Its abundance is 1188805144

Bases of 1998908148

• Binary: 1110111001001001110101011110100₂
• Hexadecimal: 0x7724EAF4
• Base-36: X23JEC

Squares and roots of 1998908148

• 1998908148 squared (1998908148²) is 3995633784140789904
• 1998908148 cubed (1998908148³) is 7986904927543098118261737792
• The square root of 1998908148 is 44709.1506070065
• The cube root of 1998908148 is 1259.6917336069

Scales and comparisons

• 1,998,908,148 seconds is equal to 63 years, 29 weeks, 12 hours, 15 minutes, 48 seconds.
• To count from 1 to 1,998,908,148 would take you about one hundred twenty-seven 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 1998908148 cubic inches would be around 105 feet tall.

Recreational maths with 1998908148

• 1998908148 backwards is 8418098991
• 1998908148 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1998908148's digits is 57
• More coming soon!