628142928

Names of 628142928

• Cardinal: 628142928 can be written as Six hundred twenty-eight million, one hundred forty-two thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 6.28142928 × 10⁸

Factors of 628142928

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 703

Divisors of 628142928

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 17 21 24 28 34 42 48 51 56 68 84 102 112 119 136 168 204 238 272 277 336 357 397 408 476 554 714 794 816 831 952 1108 1191 1428 1588 1662 1904 1939 2216 2382 2779 2856 3176 3324 3878 4432 4709 4764 5558 5712 5817 6352 6648 6749 7756 8337 9418 9528 11116 11634 13296 13498 14127 15512 16674 18836 19056 20247 22232 23268 26996 28254 31024 32963 33348 37672 40494 44464 46536 47243 53992 56508 65926 66696 75344 80988 93072 94486 98889 107984 109969 113016 131852 133392 141729 161976 188972 197778 219938 226032 263704 283458 323952 329907 377944 395556 439876 527408 566916 659814 755888 769783 791112 879752 1133832 1319628 1539566 1582224 1759504 1869473 2267664 2309349 2639256 3079132 3738946 4618698 5278512 5608419 6158264 7477892 9237396 11216838 12316528 13086311 14955784 18474792 22433676 26172622 29911568 36949584 39258933 44867352 52345244 78517866 89734704 104690488 157035732 209380976 314071464 628142928
• Sum of all divisors σ(n): 1975659264
• Sum of proper divisors (its aliquot sum) s(n): 1347516336
• 628142928 is an abundant number, because the sum of its proper divisors (1347516336) is greater than itself. Its abundance is 719373408

Bases of 628142928

• Binary: 100101011100001011001101010000₂
• Hexadecimal: 0x2570B350
• Base-36: ADZA6O

Squares and roots of 628142928

• 628142928 squared (628142928²) is 394563537996413184
• 628142928 cubed (628142928³) is 247842296039106230895562752
• The square root of 628142928 is 25062.7797340997
• The cube root of 628142928 is 856.4187327409

Scales and comparisons

• 628,142,928 seconds is equal to 19 years, 50 weeks, 4 days, 4 hours, 8 minutes, 48 seconds.
• To count from 1 to 628,142,928 would take you about twenty-nine 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 628142928 cubic inches would be around 71.4 feet tall.

Recreational maths with 628142928

• 628142928 backwards is 829241826
• 628142928 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 628142928's digits is 42
• More coming soon!