30085380

Names of 30085380

• Cardinal: 30085380 can be written as Thirty million, eighty-five thousand, three hundred eighty.

Scientific notation

• Scientific notation: 3.008538 × 10⁷

Factors of 30085380

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 89

Divisors of 30085380

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 23 26 30 36 39 43 45 46 52 60 65 69 78 86 90 92 115 117 129 130 138 156 169 172 180 195 207 215 230 234 258 260 276 299 338 345 387 390 414 430 460 468 507 516 559 585 598 645 676 690 774 780 828 845 860 897 989 1014 1035 1118 1170 1196 1290 1380 1495 1521 1548 1677 1690 1794 1935 1978 2028 2070 2236 2340 2535 2580 2691 2795 2967 2990 3042 3354 3380 3588 3870 3887 3956 4140 4485 4945 5031 5070 5382 5590 5934 5980 6084 6708 7267 7605 7740 7774 8385 8901 8970 9890 10062 10140 10764 11180 11661 11868 12857 13455 14534 14835 15210 15548 16770 17802 17940 19435 19780 20124 21801 23322 25155 25714 26910 29068 29670 30420 33540 34983 35604 36335 38571 38870 43602 44505 46644 50310 51428 53820 58305 59340 64285 65403 69966 72670 77142 77740 87204 89010 100620 109005 115713 116610 128570 130806 139932 145340 154284 167141 174915 178020 192855 218010 231426 233220 257140 261612 327015 334282 349830 385710 436020 462852 501423 578565 654030 668564 699660 771420 835705 1002846 1157130 1308060 1504269 1671410 2005692 2314260 2507115 3008538 3342820 5014230 6017076 7521345 10028460 15042690 30085380
• Sum of all divisors σ(n): 105513408
• Sum of proper divisors (its aliquot sum) s(n): 75428028
• 30085380 is an abundant number, because the sum of its proper divisors (75428028) is greater than itself. Its abundance is 45342648

Bases of 30085380

• Binary: 1110010110001000100000100₂
• Hexadecimal: 0x1CB1104
• Base-36: HWU10

Squares and roots of 30085380

• 30085380 squared (30085380²) is 905130089744400
• 30085380 cubed (30085380³) is 27231182699394376872000
• The square root of 30085380 is 5485.0141294257
• The cube root of 30085380 is 311.0177441859

Scales and comparisons

• 30,085,380 seconds is equal to 49 weeks, 5 days, 5 hours, 3 minutes.
• To count from 1 to 30,085,380 would take you about twenty-two 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 30085380 cubic inches would be around 25.9 feet tall.

Recreational maths with 30085380

• 30085380 backwards is 08358003
• The number of decimal digits it has is: 8
• The sum of 30085380's digits is 27
• More coming soon!