2708430021

Names of 2708430021

• Cardinal: 2708430021 can be written as Two billion, seven hundred eight million, four hundred thirty thousand and twenty-one.

Scientific notation

• Scientific notation: 2.708430021 × 10⁹

Factors of 2708430021

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 418

Divisors of 2708430021

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 9 11 17 23 27 33 51 69 83 99 153 187 207 249 253 281 297 391 459 561 621 747 759 843 913 1173 1411 1683 1909 2241 2277 2529 2739 3091 3519 4233 4301 4777 5049 5727 6463 6831 7587 8217 9273 10557 12699 12903 14331 15521 17181 19389 20999 23323 24651 27819 32453 38097 38709 42993 46563 51543 52547 58167 62997 69969 71093 83457 97359 109871 116127 128979 139689 157641 174501 188991 209907 213279 256553 292077 329613 356983 396491 419067 472923 536429 566973 629721 639837 769659 876231 988839 1070949 1189473 1208581 1418769 1609287 1919511 2308977 2966517 3212847 3568419 3625743 4361401 4827861 5900719 6926931 9119293 9638541 10705257 10877229 13084203 14483583 17702157 27357879 32631687 39252609 53106471 82073637 100312223 117757827 159319413 246220911 300936669 902810007 2708430021
• Sum of all divisors σ(n): 4911943680
• Sum of proper divisors (its aliquot sum) s(n): 2203513659
• 2708430021 is a deficient number, because the sum of its proper divisors (2203513659) is less than itself. Its deficiency is 504916362

Bases of 2708430021

• Binary: 10100001011011110101110011000101₂
• Hexadecimal: 0xA16F5CC5
• Base-36: 18SJ1Z9

Squares and roots of 2708430021

• 2708430021 squared (2708430021²) is 7335593178654060441
• 2708430021 cubed (2708430021³) is 19867940786909473671952899261
• The square root of 2708430021 is 52042.5789234161
• The cube root of 2708430021 is 1393.9243552285

Scales and comparisons

• 2,708,430,021 seconds is equal to 86 years, 6 weeks, 1 day, 13 hours, 40 minutes, 21 seconds.
• To count from 1 to 2,708,430,021 would take you about one hundred seventy-two 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 2708430021 cubic inches would be around 116.2 feet tall.

Recreational maths with 2708430021

• 2708430021 backwards is 1200348072
• 2708430021 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2708430021's digits is 27
• More coming soon!