989640047970

Names of 989640047970

• Cardinal: 989640047970 can be written as Nine hundred eighty-nine billion, six hundred forty million, forty-seven thousand, nine hundred seventy.

Scientific notation

• Scientific notation: 9.8964004797 × 10¹¹

Factors of 989640047970

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2154828

Divisors of 989640047970

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 81 90 105 126 135 162 189 210 243 270 315 378 405 486 567 630 729 810 945 1134 1215 1458 1701 1890 2187 2430 2835 3402 3645 4374 5103 5670 6561 7290 8505 10206 10935 13122 15309 17010 21870 25515 30618 32805 45927 51030 65610 76545 91854 153090 229635 459270 2154811 4309622 6464433 10774055 12928866 15083677 19393299 21548110 30167354 32322165 38786598 45251031 58179897 64644330 75418385 90502062 96966495 116359794 135753093 150836770 174539691 193932990 226255155 271506186 290899485 349079382 407259279 452510310 523619073 581798970 678765465 814518558 872698455 1047238146 1221777837 1357530930 1570857219 1745396910 2036296395 2443555674 2618095365 3141714438 3665333511 4072592790 4712571657 5236190730 6108889185 7330667022 7854286095 9425143314 10996000533 12217778370 14137714971 15708572190 18326667555 21992001066 23562858285 28275429942 32988001599 36653335110 47125716570 54980002665 65976003198 70688574855 98964004797 109960005330 141377149710 164940007995 197928009594 329880015990 494820023985 989640047970
• Sum of all divisors σ(n): 3053592704448
• Sum of proper divisors (its aliquot sum) s(n): 2063952656478
• 989640047970 is an abundant number, because the sum of its proper divisors (2063952656478) is greater than itself. Its abundance is 1074312608508

Bases of 989640047970

• Binary: 1110011001101011001001001011110101100010₂
• Hexadecimal: 0xE66B24BD62
• Base-36: CMMU4S4I

Squares and roots of 989640047970

• 989640047970 squared (989640047970²) is 979387424546063901120900
• 989640047970 cubed (989640047970³) is 969241017808981434579972812769573000
• The square root of 989640047970 is 994806.5379610249
• The cube root of 989640047970 is 9965.3468814133

Scales and comparisons

• 989,640,047,970 seconds is equal to 31,467 years, 25 weeks, 4 days, 5 hours, 19 minutes, 30 seconds.
• To count from 1 to 989,640,047,970 would take you about sixty-two thousand, nine hundred thirty-four 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 989640047970 cubic inches would be around 830.4 feet tall.

Recreational maths with 989640047970

• 989640047970 backwards is 079740046989
• 989640047970 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 989640047970's digits is 63
• More coming soon!