30472380

Names of 30472380

• Cardinal: 30472380 can be written as Thirty million, four hundred seventy-two thousand, three hundred eighty.

Scientific notation

• Scientific notation: 3.047238 × 10⁷

Factors of 30472380

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 211

Divisors of 30472380

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 31 36 43 45 60 62 86 90 93 124 127 129 155 172 180 186 215 254 258 279 310 372 381 387 430 465 508 516 558 620 635 645 762 774 860 930 1116 1143 1270 1290 1333 1395 1524 1548 1860 1905 1935 2286 2540 2580 2666 2790 3810 3870 3937 3999 4572 5332 5461 5580 5715 6665 7620 7740 7874 7998 10922 11430 11811 11997 13330 15748 15996 16383 19685 19995 21844 22860 23622 23994 26660 27305 32766 35433 39370 39990 47244 47988 49149 54610 59055 59985 65532 70866 78740 79980 81915 98298 109220 118110 119970 141732 163830 169291 177165 196596 236220 239940 245745 327660 338582 354330 491490 507873 677164 708660 846455 982980 1015746 1523619 1692910 2031492 2539365 3047238 3385820 5078730 6094476 7618095 10157460 15236190 30472380
• Sum of all divisors σ(n): 98402304
• Sum of proper divisors (its aliquot sum) s(n): 67929924
• 30472380 is an abundant number, because the sum of its proper divisors (67929924) is greater than itself. Its abundance is 37457544

Bases of 30472380

• Binary: 1110100001111100010111100₂
• Hexadecimal: 0x1D0F8BC
• Base-36: I54N0

Squares and roots of 30472380

• 30472380 squared (30472380²) is 928565942864400
• 30472380 cubed (30472380³) is 28295614266022285272000
• The square root of 30472380 is 5520.1793449127
• The cube root of 30472380 is 312.3456475069

Scales and comparisons

• 30,472,380 seconds is equal to 50 weeks, 2 days, 16 hours, 33 minutes.
• To count from 1 to 30,472,380 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 30472380 cubic inches would be around 26 feet tall.

Recreational maths with 30472380

• 30472380 backwards is 08327403
• The number of decimal digits it has is: 8
• The sum of 30472380's digits is 27
• More coming soon!