30147768

Names of 30147768

• Cardinal: 30147768 can be written as Thirty million, one hundred forty-seven thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 3.0147768 × 10⁷

Factors of 30147768

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 296

Divisors of 30147768

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 54 56 63 72 84 108 126 127 157 168 189 216 252 254 314 378 381 471 504 508 628 756 762 889 942 1016 1099 1143 1256 1413 1512 1524 1778 1884 2198 2286 2667 2826 3048 3297 3429 3556 3768 4239 4396 4572 5334 5652 6594 6858 7112 8001 8478 8792 9144 9891 10668 11304 13188 13716 16002 16956 19782 19939 21336 24003 26376 27432 29673 32004 33912 39564 39878 48006 59346 59817 64008 79128 79756 96012 118692 119634 139573 159512 179451 192024 237384 239268 279146 358902 418719 478536 538353 558292 717804 837438 1076706 1116584 1256157 1435608 1674876 2153412 2512314 3349752 3768471 4306824 5024628 7536942 10049256 15073884 30147768
• Sum of all divisors σ(n): 97075200
• Sum of proper divisors (its aliquot sum) s(n): 66927432
• 30147768 is an abundant number, because the sum of its proper divisors (66927432) is greater than itself. Its abundance is 36779664

Bases of 30147768

• Binary: 1110011000000010010111000₂
• Hexadecimal: 0x1CC04B8
• Base-36: HY660

Squares and roots of 30147768

• 30147768 squared (30147768²) is 908887915381824
• 30147768 cubed (30147768³) is 27400942010934861368832
• The square root of 30147768 is 5490.6983162435
• The cube root of 30147768 is 311.2325814029

Scales and comparisons

• 30,147,768 seconds is equal to 49 weeks, 5 days, 22 hours, 22 minutes, 48 seconds.
• To count from 1 to 30,147,768 would take you about twenty-two weeks!

  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 30147768 cubic inches would be around 25.9 feet tall.

Recreational maths with 30147768

• 30147768 backwards is 86774103
• 30147768 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30147768's digits is 36
• More coming soon!