30021320

Names of 30021320

• Cardinal: 30021320 can be written as Thirty million, twenty-one thousand, three hundred twenty.

Scientific notation

• Scientific notation: 3.002132 × 10⁷

Factors of 30021320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 84

Divisors of 30021320

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 8 10 14 17 20 28 34 35 40 49 53 56 68 70 85 98 106 119 136 140 170 196 212 238 245 265 280 289 340 371 392 424 476 490 530 578 595 680 742 833 901 952 980 1060 1156 1190 1445 1484 1666 1802 1855 1960 2023 2120 2312 2380 2597 2890 2968 3332 3604 3710 4046 4165 4505 4760 5194 5780 6307 6664 7208 7420 8092 8330 9010 10115 10388 11560 12614 12985 14161 14840 15317 16184 16660 18020 20230 20776 25228 25970 28322 30634 31535 33320 36040 40460 44149 50456 51940 56644 61268 63070 70805 76585 80920 88298 103880 107219 113288 122536 126140 141610 153170 176596 214438 220745 252280 283220 306340 353192 428876 441490 536095 566440 612680 750533 857752 882980 1072190 1501066 1765960 2144380 3002132 3752665 4288760 6004264 7505330 15010660 30021320
• Sum of all divisors σ(n): 85045140
• Sum of proper divisors (its aliquot sum) s(n): 55023820
• 30021320 is an abundant number, because the sum of its proper divisors (55023820) is greater than itself. Its abundance is 25002500

Bases of 30021320

• Binary: 1110010100001011011001000₂
• Hexadecimal: 0x1CA16C8
• Base-36: HVGLK

Squares and roots of 30021320

• 30021320 squared (30021320²) is 901279654542400
• 30021320 cubed (30021320³) is 27057604918506843968000
• The square root of 30021320 is 5479.1714702133
• The cube root of 30021320 is 310.7968400511

Scales and comparisons

• 30,021,320 seconds is equal to 49 weeks, 4 days, 11 hours, 15 minutes, 20 seconds.
• To count from 1 to 30,021,320 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 30021320 cubic inches would be around 25.9 feet tall.

Recreational maths with 30021320

• 30021320 backwards is 02312003
• The number of decimal digits it has is: 8
• The sum of 30021320's digits is 11
• More coming soon!