6978849640

Names of 6978849640

• Cardinal: 6978849640 can be written as Six billion, nine hundred seventy-eight million, eight hundred forty-nine thousand, six hundred forty.

Scientific notation

• Scientific notation: 6.97884964 × 10⁹

Factors of 6978849640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1319

Divisors of 6978849640

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 56 70 73 140 146 280 292 365 421 511 584 730 811 842 1022 1460 1622 1684 2044 2105 2555 2920 2947 3244 3368 4055 4088 4210 5110 5677 5894 6488 8110 8420 10220 11354 11788 14735 16220 16840 20440 22708 23576 28385 29470 30733 32440 45416 56770 58940 59203 61466 113540 117880 118406 122932 153665 215131 227080 236812 245864 296015 307330 341431 414421 430262 473624 592030 614660 682862 828842 860524 1075655 1184060 1229320 1365724 1657684 1707155 1721048 2072105 2151310 2368120 2390017 2731448 3315368 3414310 4144210 4302620 4780034 6828620 8288420 8605240 9560068 11950085 13657240 16576840 19120136 23900170 24924463 47800340 49848926 95600680 99697852 124622315 174471241 199395704 249244630 348942482 498489260 697884964 872356205 996978520 1395769928 1744712410 3489424820 6978849640
• Sum of all divisors σ(n): 18257137920
• Sum of proper divisors (its aliquot sum) s(n): 11278288280
• 6978849640 is an abundant number, because the sum of its proper divisors (11278288280) is greater than itself. Its abundance is 4299438640

Bases of 6978849640

• Binary: 110011111111110001100101101101000₂
• Hexadecimal: 0x19FF8CB68
• Base-36: 37F0YUG

Squares and roots of 6978849640

• 6978849640 squared (6978849640²) is 48704342297728129600
• 6978849640 cubed (6978849640³) is 339900281710936730076833344000
• The square root of 6978849640 is 83539.5094551075
• The cube root of 6978849640 is 1911.0026113161

Scales and comparisons

• 6,978,849,640 seconds is equal to 221 years, 47 weeks, 17 hours, 20 minutes, 40 seconds.
• To count from 1 to 6,978,849,640 would take you about four hundred forty-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 6978849640 cubic inches would be around 159.3 feet tall.

Recreational maths with 6978849640

• 6978849640 backwards is 0469488796
• The number of decimal digits it has is: 10
• The sum of 6978849640's digits is 61
• More coming soon!