1949199680

Names of 1949199680

• Cardinal: 1949199680 can be written as One billion, nine hundred forty-nine million, one hundred ninety-nine thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.94919968 × 10⁹

Factors of 1949199680

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 865

Divisors of 1949199680

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 89 160 178 320 356 445 712 769 890 1424 1538 1780 2848 3076 3560 3845 5696 6152 7120 7690 7921 12304 14240 15380 15842 24608 28480 30760 31684 39605 49216 61520 63368 68441 79210 123040 126736 136882 158420 246080 253472 273764 316840 342205 506944 547528 633680 684410 1095056 1267360 1368820 2190112 2534720 2737640 4380224 5475280 6091249 10950560 12182498 21901120 24364996 30456245 48729992 60912490 97459984 121824980 194919968 243649960 389839936 487299920 974599840 1949199680
• Sum of all divisors σ(n): 4700374140
• Sum of proper divisors (its aliquot sum) s(n): 2751174460
• 1949199680 is an abundant number, because the sum of its proper divisors (2751174460) is greater than itself. Its abundance is 801974780

Bases of 1949199680

• Binary: 1110100001011100110110101000000₂
• Hexadecimal: 0x742E6D40
• Base-36: W8I43K

Squares and roots of 1949199680

• 1949199680 squared (1949199680²) is 3799379392512102400
• 1949199680 cubed (1949199680³) is 7405749096083184394207232000
• The square root of 1949199680 is 44149.7415620975
• The cube root of 1949199680 is 1249.1620367797

Scales and comparisons

• 1,949,199,680 seconds is equal to 61 years, 50 weeks, 6 days, 4 hours, 21 minutes, 20 seconds.
• To count from 1 to 1,949,199,680 would take you about one hundred twenty-three 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 1949199680 cubic inches would be around 104.1 feet tall.

Recreational maths with 1949199680

• 1949199680 backwards is 0869919491
• The number of decimal digits it has is: 10
• The sum of 1949199680's digits is 56
• More coming soon!