30408240

Names of 30408240

• Cardinal: 30408240 can be written as Thirty million, four hundred eight thousand, two hundred forty.

Scientific notation

• Scientific notation: 3.040824 × 10⁷

Factors of 30408240

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 313

Divisors of 30408240

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 17 20 24 29 30 34 40 48 51 58 60 68 80 85 87 102 116 120 136 145 170 174 204 232 240 255 257 272 290 340 348 408 435 464 493 510 514 580 680 696 771 816 870 986 1020 1028 1160 1285 1360 1392 1479 1542 1740 1972 2040 2056 2320 2465 2570 2958 3084 3480 3855 3944 4080 4112 4369 4930 5140 5916 6168 6960 7395 7453 7710 7888 8738 9860 10280 11832 12336 13107 14790 14906 15420 17476 19720 20560 21845 22359 23664 26214 29580 29812 30840 34952 37265 39440 43690 44718 52428 59160 59624 61680 65535 69904 74530 87380 89436 104856 111795 118320 119248 126701 131070 149060 174760 178872 209712 223590 253402 262140 298120 349520 357744 380103 447180 506804 524280 596240 633505 760206 894360 1013608 1048560 1267010 1520412 1788720 1900515 2027216 2534020 3040824 3801030 5068040 6081648 7602060 10136080 15204120 30408240
• Sum of all divisors σ(n): 103654080
• Sum of proper divisors (its aliquot sum) s(n): 73245840
• 30408240 is an abundant number, because the sum of its proper divisors (73245840) is greater than itself. Its abundance is 42837600

Bases of 30408240

• Binary: 1110011111111111000110000₂
• Hexadecimal: 0x1CFFE30
• Base-36: I3R5C

Squares and roots of 30408240

• 30408240 squared (30408240²) is 924661059897600
• 30408240 cubed (30408240³) is 28117315428020596224000
• The square root of 30408240 is 5514.3666907453
• The cube root of 30408240 is 312.1263459359

Scales and comparisons

• 30,408,240 seconds is equal to 50 weeks, 1 day, 22 hours, 44 minutes.
• To count from 1 to 30,408,240 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 30408240 cubic inches would be around 26 feet tall.

Recreational maths with 30408240

• 30408240 backwards is 04280403
• The number of decimal digits it has is: 8
• The sum of 30408240's digits is 21
• More coming soon!