30742800

Names of 30742800

• Cardinal: 30742800 can be written as Thirty million, seven hundred forty-two thousand, eight hundred.

Scientific notation

• Scientific notation: 3.07428 × 10⁷

Factors of 30742800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 175

Divisors of 30742800

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 17 20 22 24 25 30 33 34 40 44 48 50 51 55 60 66 68 75 80 85 88 100 102 110 120 132 136 137 150 165 170 176 187 200 204 220 240 255 264 272 274 275 300 330 340 374 400 408 411 425 440 510 528 548 550 561 600 660 680 685 748 816 822 825 850 880 935 1020 1096 1100 1122 1200 1275 1320 1360 1370 1496 1507 1644 1650 1700 1870 2040 2055 2192 2200 2244 2329 2550 2640 2740 2805 2992 3014 3288 3300 3400 3425 3740 4080 4110 4400 4488 4521 4658 4675 5100 5480 5610 6028 6576 6600 6800 6850 6987 7480 7535 8220 8976 9042 9316 9350 10200 10275 10960 11220 11645 12056 13200 13700 13974 14025 14960 15070 16440 18084 18632 18700 20400 20550 22440 22605 23290 24112 25619 27400 27948 28050 30140 32880 34935 36168 37264 37400 37675 41100 44880 45210 46580 51238 54800 55896 56100 58225 60280 69870 72336 74800 75350 76857 82200 90420 93160 102476 111792 112200 113025 116450 120560 128095 139740 150700 153714 164400 174675 180840 186320 204952 224400 226050 232900 256190 279480 301400 307428 349350 361680 384285 409904 452100 465800 512380 558960 602800 614856 640475 698700 768570 904200 931600 1024760 1229712 1280950 1397400 1537140 1808400 1921425 2049520 2561900 2794800 3074280 3842850 5123800 6148560 7685700 10247600 15371400 30742800
• Sum of all divisors σ(n): 114581952
• Sum of proper divisors (its aliquot sum) s(n): 83839152
• 30742800 is an abundant number, because the sum of its proper divisors (83839152) is greater than itself. Its abundance is 53096352

Bases of 30742800

• Binary: 1110101010001100100010000₂
• Hexadecimal: 0x1D51910
• Base-36: IAXAO

Squares and roots of 30742800

• 30742800 squared (30742800²) is 945119751840000
• 30742800 cubed (30742800³) is 29055627506866752000000
• The square root of 30742800 is 5544.6190130611
• The cube root of 30742800 is 313.2668738881

Scales and comparisons

• 30,742,800 seconds is equal to 50 weeks, 5 days, 19 hours, 40 minutes.
• To count from 1 to 30,742,800 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 30742800 cubic inches would be around 26.1 feet tall.

Recreational maths with 30742800

• 30742800 backwards is 00824703
• 30742800 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30742800's digits is 24
• More coming soon!