30790440

Names of 30790440

• Cardinal: 30790440 can be written as Thirty million, seven hundred ninety thousand, four hundred forty.

Scientific notation

• Scientific notation: 3.079044 × 10⁷

Factors of 30790440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 130

Divisors of 30790440

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 31 36 40 45 60 62 72 89 90 93 120 124 155 178 180 186 248 267 279 310 356 360 372 445 465 534 558 620 712 744 801 890 930 961 1068 1116 1240 1335 1395 1602 1780 1860 1922 2136 2232 2670 2759 2790 2883 3204 3560 3720 3844 4005 4805 5340 5518 5580 5766 6408 7688 8010 8277 8649 9610 10680 11036 11160 11532 13795 14415 16020 16554 17298 19220 22072 23064 24831 27590 28830 32040 33108 34596 38440 41385 43245 49662 55180 57660 66216 69192 82770 85529 86490 99324 110360 115320 124155 165540 171058 172980 198648 248310 256587 331080 342116 345960 427645 496620 513174 684232 769761 855290 993240 1026348 1282935 1539522 1710580 2052696 2565870 3079044 3421160 3848805 5131740 6158088 7697610 10263480 15395220 30790440
• Sum of all divisors σ(n): 104562900
• Sum of proper divisors (its aliquot sum) s(n): 73772460
• 30790440 is an abundant number, because the sum of its proper divisors (73772460) is greater than itself. Its abundance is 42982020

Bases of 30790440

• Binary: 1110101011101001100101000₂
• Hexadecimal: 0x1D5D328
• Base-36: IBY20

Squares and roots of 30790440

• 30790440 squared (30790440²) is 948051195393600
• 30790440 cubed (30790440³) is 29190913448694917184000
• The square root of 30790440 is 5548.9134071455
• The cube root of 30790440 is 313.4286064085

Scales and comparisons

• 30,790,440 seconds is equal to 50 weeks, 6 days, 8 hours, 54 minutes.
• To count from 1 to 30,790,440 would take you about twenty-four 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 30790440 cubic inches would be around 26.1 feet tall.

Recreational maths with 30790440

• 30790440 backwards is 04409703
• The number of decimal digits it has is: 8
• The sum of 30790440's digits is 27
• More coming soon!