30400800

Names of 30400800

• Cardinal: 30400800 can be written as Thirty million, four hundred thousand, eight hundred.

Scientific notation

• Scientific notation: 3.04008 × 10⁷

Factors of 30400800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 302

Divisors of 30400800

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 53 60 75 80 96 100 106 120 150 159 160 200 212 239 240 265 300 318 400 424 478 480 530 600 636 717 795 800 848 956 1060 1195 1200 1272 1325 1434 1590 1696 1912 2120 2390 2400 2544 2650 2868 3180 3585 3824 3975 4240 4780 5088 5300 5736 5975 6360 7170 7648 7950 8480 9560 10600 11472 11950 12667 12720 14340 15900 17925 19120 21200 22944 23900 25334 25440 28680 31800 35850 38001 38240 42400 47800 50668 57360 63335 63600 71700 76002 95600 101336 114720 126670 127200 143400 152004 190005 191200 202672 253340 286800 304008 316675 380010 405344 506680 573600 608016 633350 760020 950025 1013360 1216032 1266700 1520040 1900050 2026720 2533400 3040080 3800100 5066800 6080160 7600200 10133600 15200400 30400800
• Sum of all divisors σ(n): 101243520
• Sum of proper divisors (its aliquot sum) s(n): 70842720
• 30400800 is an abundant number, because the sum of its proper divisors (70842720) is greater than itself. Its abundance is 40441920

Bases of 30400800

• Binary: 1110011111110000100100000₂
• Hexadecimal: 0x1CFE120
• Base-36: I3LEO

Squares and roots of 30400800

• 30400800 squared (30400800²) is 924208640640000
• 30400800 cubed (30400800³) is 28096682042368512000000
• The square root of 30400800 is 5513.6920479841
• The cube root of 30400800 is 312.1008878207

Scales and comparisons

• 30,400,800 seconds is equal to 50 weeks, 1 day, 20 hours, 40 minutes.
• To count from 1 to 30,400,800 would take you about twenty-three 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 30400800 cubic inches would be around 26 feet tall.

Recreational maths with 30400800

• 30400800 backwards is 00800403
• 30400800 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30400800's digits is 15
• More coming soon!