994431640

Names of 994431640

• Cardinal: 994431640 can be written as Nine hundred ninety-four million, four hundred thirty-one thousand, six hundred forty.

Scientific notation

• Scientific notation: 9.9443164 × 10⁸

Factors of 994431640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 349

Divisors of 994431640

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 8 10 20 31 40 47 62 94 113 124 151 155 188 226 235 248 302 310 376 452 470 565 604 620 755 904 940 1130 1208 1240 1457 1510 1880 2260 2914 3020 3503 4520 4681 5311 5828 6040 7006 7097 7285 9362 10622 11656 14012 14194 14570 17063 17515 18724 21244 23405 26555 28024 28388 29140 34126 35030 35485 37448 42488 46810 53110 56776 58280 68252 70060 70970 85315 93620 106220 136504 140120 141940 164641 170630 187240 212440 220007 283880 329282 341260 440014 528953 658564 682520 801961 823205 880028 1057906 1100035 1317128 1603922 1646410 1760056 2115812 2200070 2644765 3207844 3292820 4009805 4231624 4400140 5289530 6415688 6585640 8019610 8800280 10579060 16039220 21158120 24860791 32078440 49721582 99443164 124303955 198886328 248607910 497215820 994431640
• Sum of all divisors σ(n): 2395422720
• Sum of proper divisors (its aliquot sum) s(n): 1400991080
• 994431640 is an abundant number, because the sum of its proper divisors (1400991080) is greater than itself. Its abundance is 406559440

Bases of 994431640

• Binary: 111011010001011101001010011000₂
• Hexadecimal: 0x3B45D298
• Base-36: GG24D4

Squares and roots of 994431640

• 994431640 squared (994431640²) is 988894286633089600
• 994431640 cubed (994431640³) is 983387767243173369194944000
• The square root of 994431640 is 31534.6101926121
• The cube root of 994431640 is 998.1404241209

Scales and comparisons

• 994,431,640 seconds is equal to 31 years, 32 weeks, 1 day, 15 hours, 40 seconds.
• To count from 1 to 994,431,640 would take you about forty-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 994431640 cubic inches would be around 83.2 feet tall.

Recreational maths with 994431640

• 994431640 backwards is 046134499
• 994431640 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 994431640's digits is 40
• More coming soon!