30945300

Names of 30945300

• Cardinal: 30945300 can be written as Thirty million, nine hundred forty-five thousand, three hundred.

Scientific notation

• Scientific notation: 3.09453 × 10⁷

Factors of 30945300

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 179

Divisors of 30945300

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 19 20 25 30 38 50 57 60 61 75 76 89 95 100 114 122 150 178 183 190 228 244 267 285 300 305 356 366 380 445 475 534 570 610 732 890 915 950 1068 1140 1159 1220 1335 1425 1525 1691 1780 1830 1900 2225 2318 2670 2850 3050 3382 3477 3660 4450 4575 4636 5073 5340 5429 5700 5795 6100 6675 6764 6954 8455 8900 9150 10146 10858 11590 13350 13908 16287 16910 17385 18300 20292 21716 23180 25365 26700 27145 28975 32574 33820 34770 42275 50730 54290 57950 65148 69540 81435 84550 86925 101460 103151 108580 115900 126825 135725 162870 169100 173850 206302 253650 271450 309453 325740 347700 407175 412604 507300 515755 542900 618906 814350 1031510 1237812 1547265 1628700 2063020 2578775 3094530 5157550 6189060 7736325 10315100 15472650 30945300
• Sum of all divisors σ(n): 96868800
• Sum of proper divisors (its aliquot sum) s(n): 65923500
• 30945300 is an abundant number, because the sum of its proper divisors (65923500) is greater than itself. Its abundance is 34978200

Bases of 30945300

• Binary: 1110110000011000000010100₂
• Hexadecimal: 0x1D83014
• Base-36: IF9JO

Squares and roots of 30945300

• 30945300 squared (30945300²) is 957611592090000
• 30945300 cubed (30945300³) is 29633578000702677000000
• The square root of 30945300 is 5562.8499889893
• The cube root of 30945300 is 313.9531892301

Scales and comparisons

• 30,945,300 seconds is equal to 51 weeks, 1 day, 3 hours, 55 minutes.
• To count from 1 to 30,945,300 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 30945300 cubic inches would be around 26.2 feet tall.

Recreational maths with 30945300

• 30945300 backwards is 00354903
• The number of decimal digits it has is: 8
• The sum of 30945300's digits is 24
• More coming soon!