18298980

Names of 18298980

• Cardinal: 18298980 can be written as Eighteen million, two hundred ninety-eight thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 1.829898 × 10⁷

Factors of 18298980

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 167

Divisors of 18298980

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 47 54 60 63 70 84 90 94 103 105 108 126 135 140 141 180 188 189 206 210 235 252 270 282 309 315 329 378 412 420 423 470 515 540 564 618 630 658 705 721 756 846 927 940 945 987 1030 1236 1260 1269 1316 1410 1442 1545 1645 1692 1854 1890 1974 2060 2115 2163 2538 2781 2820 2884 2961 3090 3290 3605 3708 3780 3948 4230 4326 4635 4841 4935 5076 5562 5922 6180 6345 6489 6580 7210 8460 8652 8883 9270 9682 9870 10815 11124 11844 12690 12978 13905 14420 14523 14805 17766 18540 19364 19467 19740 21630 24205 25380 25956 27810 29046 29610 32445 33887 35532 38934 43260 43569 44415 48410 55620 58092 59220 64890 67774 72615 77868 87138 88830 96820 97335 101661 129780 130707 135548 145230 169435 174276 177660 194670 203322 217845 261414 290460 304983 338870 389340 406644 435690 508305 522828 609966 653535 677740 871380 914949 1016610 1219932 1307070 1524915 1829898 2033220 2614140 3049830 3659796 4574745 6099660 9149490 18298980
• Sum of all divisors σ(n): 67092480
• Sum of proper divisors (its aliquot sum) s(n): 48793500
• 18298980 is an abundant number, because the sum of its proper divisors (48793500) is greater than itself. Its abundance is 30494520

Bases of 18298980

• Binary: 1000101110011100001100100₂
• Hexadecimal: 0x1173864
• Base-36: AW7L0

Squares and roots of 18298980

• 18298980 squared (18298980²) is 334852669040400
• 18298980 cubed (18298980³) is 6127462293716898792000
• The square root of 18298980 is 4277.7307068117
• The cube root of 18298980 is 263.5171960975

Scales and comparisons

• 18,298,980 seconds is equal to 30 weeks, 1 day, 19 hours, 3 minutes.
• To count from 1 to 18,298,980 would take you about forty-five 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 18298980 cubic inches would be around 22 feet tall.

Recreational maths with 18298980

• 18298980 backwards is 08989281
• 18298980 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 18298980's digits is 45
• More coming soon!