1999832940

Names of 1999832940

• Cardinal: 1999832940 can be written as One billion, nine hundred ninety-nine million, eight hundred thirty-two thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.99983294 × 10⁹

Factors of 1999832940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 51247

Divisors of 1999832940

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 31 35 36 42 45 60 62 63 70 84 90 93 105 124 126 140 155 180 186 210 217 252 279 310 315 372 420 434 465 558 620 630 651 868 930 1085 1116 1260 1302 1395 1860 1953 2170 2604 2790 3255 3906 4340 5580 6510 7812 9765 13020 19530 39060 51199 102398 153597 204796 255995 307194 358393 460791 511990 614388 716786 767985 921582 1023980 1075179 1433572 1535970 1587169 1791965 1843164 2150358 2303955 3071940 3174338 3225537 3583930 4300716 4607910 4761507 5375895 6348676 6451074 7167860 7935845 9215820 9523014 10751790 11110183 12902148 14284521 15871690 16127685 19046028 21503580 22220366 23807535 28569042 31743380 32255370 33330549 44440732 47615070 55550915 57138084 64510740 66661098 71422605 95230140 99991647 111101830 133322196 142845210 166652745 199983294 222203660 285690420 333305490 399966588 499958235 666610980 999916470 1999832940
• Sum of all divisors σ(n): 7156531200
• Sum of proper divisors (its aliquot sum) s(n): 5156698260
• 1999832940 is an abundant number, because the sum of its proper divisors (5156698260) is greater than itself. Its abundance is 3156865320

Bases of 1999832940

• Binary: 1110111001100110000011101101100₂
• Hexadecimal: 0x7733076C
• Base-36: X2NCZ0

Squares and roots of 1999832940

• 1999832940 squared (1999832940²) is 3999331787909043600
• 1999832940 cubed (1999832940³) is 7997995447449599115176184000
• The square root of 1999832940 is 44719.4917234085
• The cube root of 1999832940 is 1259.8859685163

Scales and comparisons

• 1,999,832,940 seconds is equal to 63 years, 30 weeks, 4 days, 5 hours, 9 minutes.
• To count from 1 to 1,999,832,940 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 1999832940 cubic inches would be around 105 feet tall.

Recreational maths with 1999832940

• 1999832940 backwards is 0492389991
• The number of decimal digits it has is: 10
• The sum of 1999832940's digits is 54
• More coming soon!