30609090

Names of 30609090

• Cardinal: 30609090 can be written as Thirty million, six hundred nine thousand and ninety.

Scientific notation

• Scientific notation: 3.060909 × 10⁷

Factors of 30609090

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 117

Divisors of 30609090

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 23 27 30 31 45 46 53 54 62 69 81 90 93 106 115 135 138 155 159 162 186 207 230 265 270 279 310 318 345 405 414 465 477 530 558 621 690 713 795 810 837 930 954 1035 1219 1242 1395 1426 1431 1590 1643 1674 1863 2070 2139 2385 2438 2511 2790 2862 3105 3286 3565 3657 3726 4185 4278 4293 4770 4929 5022 6095 6210 6417 7130 7155 7314 8215 8370 8586 9315 9858 10695 10971 12190 12555 12834 14310 14787 16430 18285 18630 19251 21390 21465 21942 24645 25110 29574 32085 32913 36570 37789 38502 42930 44361 49290 54855 57753 64170 65826 73935 75578 88722 96255 98739 109710 113367 115506 133083 147870 164565 188945 192510 197478 221805 226734 266166 288765 329130 340101 377890 443610 493695 566835 577530 665415 680202 987390 1020303 1133670 1330830 1700505 2040606 3060909 3401010 5101515 6121818 10203030 15304545 30609090
• Sum of all divisors σ(n): 90326016
• Sum of proper divisors (its aliquot sum) s(n): 59716926
• 30609090 is an abundant number, because the sum of its proper divisors (59716926) is greater than itself. Its abundance is 29107836

Bases of 30609090

• Binary: 1110100110000111011000010₂
• Hexadecimal: 0x1D30EC2
• Base-36: I824I

Squares and roots of 30609090

• 30609090 squared (30609090²) is 936916390628100
• 30609090 cubed (30609090³) is 28678158123210669429000
• The square root of 30609090 is 5532.5482374761
• The cube root of 30609090 is 312.8120488313

Scales and comparisons

• 30,609,090 seconds is equal to 50 weeks, 4 days, 6 hours, 31 minutes, 30 seconds.
• To count from 1 to 30,609,090 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 30609090 cubic inches would be around 26.1 feet tall.

Recreational maths with 30609090

• 30609090 backwards is 09090603
• 30609090 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30609090's digits is 27
• More coming soon!