30913380

Names of 30913380

• Cardinal: 30913380 can be written as Thirty million, nine hundred thirteen thousand, three hundred eighty.

Scientific notation

• Scientific notation: 3.091338 × 10⁷

Factors of 30913380

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 183

Divisors of 30913380

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 19 20 23 27 30 36 38 45 46 54 57 60 69 76 90 92 95 108 114 115 131 135 138 171 180 190 207 228 230 262 270 276 285 342 345 380 393 414 437 460 513 524 540 570 621 655 684 690 786 828 855 874 1026 1035 1140 1179 1242 1310 1311 1380 1572 1710 1748 1965 2052 2070 2185 2358 2484 2489 2565 2620 2622 3013 3105 3420 3537 3930 3933 4140 4370 4716 4978 5130 5244 5895 6026 6210 6555 7074 7467 7860 7866 8740 9039 9956 10260 11790 11799 12052 12420 12445 13110 14148 14934 15065 15732 17685 18078 19665 22401 23580 23598 24890 26220 27117 29868 30130 35370 36156 37335 39330 44802 45195 47196 49780 54234 57247 58995 60260 67203 70740 74670 78660 81351 89604 90390 108468 112005 114494 117990 134406 135585 149340 162702 171741 180780 224010 228988 235980 268812 271170 286235 325404 336015 343482 406755 448020 515223 542340 572470 672030 686964 813510 858705 1030446 1144940 1344060 1545669 1627020 1717410 2060892 2576115 3091338 3434820 5152230 6182676 7728345 10304460 15456690 30913380
• Sum of all divisors σ(n): 106444800
• Sum of proper divisors (its aliquot sum) s(n): 75531420
• 30913380 is an abundant number, because the sum of its proper divisors (75531420) is greater than itself. Its abundance is 44618040

Bases of 30913380

• Binary: 1110101111011001101100100₂
• Hexadecimal: 0x1D7B364
• Base-36: IEKX0

Squares and roots of 30913380

• 30913380 squared (30913380²) is 955637063024400
• 30913380 cubed (30913380³) is 29541971671357226472000
• The square root of 30913380 is 5559.9802157921
• The cube root of 30913380 is 313.8452047817

Scales and comparisons

• 30,913,380 seconds is equal to 51 weeks, 19 hours, 3 minutes.
• To count from 1 to 30,913,380 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 30913380 cubic inches would be around 26.2 feet tall.

Recreational maths with 30913380

• 30913380 backwards is 08331903
• 30913380 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30913380's digits is 27
• More coming soon!