30473820

Names of 30473820

• Cardinal: 30473820 can be written as Thirty million, four hundred seventy-three thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 3.047382 × 10⁷

Factors of 30473820

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1470

Divisors of 30473820

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 30 36 39 45 52 54 60 65 78 81 90 108 117 130 135 156 162 180 195 234 260 270 324 351 390 405 468 540 585 702 780 810 1053 1170 1404 1447 1620 1755 2106 2340 2894 3510 4212 4341 5265 5788 7020 7235 8682 10530 13023 14470 17364 18811 21060 21705 26046 28940 37622 39069 43410 52092 56433 65115 75244 78138 86820 94055 112866 117207 130230 156276 169299 188110 195345 225732 234414 260460 282165 338598 376220 390690 468828 507897 564330 586035 677196 781380 846495 1015794 1128660 1172070 1523691 1692990 2031588 2344140 2539485 3047382 3385980 5078970 6094764 7618455 10157940 15236910 30473820
• Sum of all divisors σ(n): 103022304
• Sum of proper divisors (its aliquot sum) s(n): 72548484
• 30473820 is an abundant number, because the sum of its proper divisors (72548484) is greater than itself. Its abundance is 42074664

Bases of 30473820

• Binary: 1110100001111111001011100₂
• Hexadecimal: 0x1D0FE5C
• Base-36: I55R0

Squares and roots of 30473820

• 30473820 squared (30473820²) is 928653705392400
• 30473820 cubed (30473820³) is 28299625860461026968000
• The square root of 30473820 is 5520.3097739167
• The cube root of 30473820 is 312.3505674885

Scales and comparisons

• 30,473,820 seconds is equal to 50 weeks, 2 days, 16 hours, 57 minutes.
• To count from 1 to 30,473,820 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 30473820 cubic inches would be around 26 feet tall.

Recreational maths with 30473820

• 30473820 backwards is 02837403
• 30473820 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30473820's digits is 27
• More coming soon!