1390008672

Names of 1390008672

• Cardinal: 1390008672 can be written as One billion, three hundred ninety million, eight thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.390008672 × 10⁹

Factors of 1390008672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 21874

Divisors of 1390008672

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 17 18 24 26 32 34 36 39 48 51 52 68 72 78 96 102 104 117 136 144 153 156 204 208 221 234 272 288 306 312 408 416 442 468 544 612 624 663 816 884 936 1224 1248 1326 1632 1768 1872 1989 2448 2652 3536 3744 3978 4896 5304 7072 7956 10608 15912 21216 21839 31824 43678 63648 65517 87356 131034 174712 196551 262068 283907 349424 371263 393102 524136 567814 698848 742526 786204 851721 1048272 1113789 1135628 1485052 1572408 1703442 2096544 2227578 2271256 2555163 2970104 3144816 3341367 3406884 4455156 4542512 4826419 5110326 5940208 6289632 6682734 6813768 8910312 9085024 9652838 10220652 11880416 13365468 13627536 14479257 17820624 19305676 20441304 26730936 27255072 28958514 35641248 38611352 40882608 43437771 53461872 57917028 77222704 81765216 86875542 106923744 115834056 154445408 173751084 231668112 347502168 463336224 695004336 1390008672
• Sum of all divisors σ(n): 4507513920
• Sum of proper divisors (its aliquot sum) s(n): 3117505248
• 1390008672 is an abundant number, because the sum of its proper divisors (3117505248) is greater than itself. Its abundance is 1727496576

Bases of 1390008672

• Binary: 1010010110110011101100101100000₂
• Hexadecimal: 0x52D9D960
• Base-36: MZKPK0

Squares and roots of 1390008672

• 1390008672 squared (1390008672²) is 1932124108235203584
• 1390008672 cubed (1390008672³) is 2685669265827199597445480448
• The square root of 1390008672 is 37282.8200650111
• The cube root of 1390008672 is 1116.0213508075

Scales and comparisons

• 1,390,008,672 seconds is equal to 44 years, 10 weeks, 2 days, 1 hour, 31 minutes, 12 seconds.
• To count from 1 to 1,390,008,672 would take you about eighty-eight 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 1390008672 cubic inches would be around 93 feet tall.

Recreational maths with 1390008672

• 1390008672 backwards is 2768000931
• 1390008672 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1390008672's digits is 36
• More coming soon!