40030920

Names of 40030920

• Cardinal: 40030920 can be written as Forty million, thirty thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 4.003092 × 10⁷

Factors of 40030920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 269

Divisors of 40030920

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 17 18 20 24 30 31 34 36 40 45 51 60 62 68 72 85 90 93 102 120 124 136 153 155 170 180 186 204 211 248 255 279 306 310 340 360 372 408 422 465 510 527 558 612 620 633 680 744 765 844 930 1020 1054 1055 1116 1224 1240 1266 1395 1530 1581 1688 1860 1899 2040 2108 2110 2232 2532 2635 2790 3060 3162 3165 3587 3720 3798 4216 4220 4743 5064 5270 5580 6120 6324 6330 6541 7174 7596 7905 8440 9486 9495 10540 10761 11160 12648 12660 13082 14348 15192 15810 17935 18972 18990 19623 21080 21522 23715 25320 26164 28696 31620 32283 32705 35870 37944 37980 39246 43044 47430 52328 53805 58869 63240 64566 65410 71740 75960 78492 86088 94860 98115 107610 111197 117738 129132 130820 143480 156984 161415 189720 196230 215220 222394 235476 258264 261640 294345 322830 333591 392460 430440 444788 470952 555985 588690 645660 667182 784920 889576 1000773 1111970 1177380 1291320 1334364 1667955 2001546 2223940 2354760 2668728 3335910 4003092 4447880 5003865 6671820 8006184 10007730 13343640 20015460 40030920
• Sum of all divisors σ(n): 142871040
• Sum of proper divisors (its aliquot sum) s(n): 102840120
• 40030920 is an abundant number, because the sum of its proper divisors (102840120) is greater than itself. Its abundance is 62809200

Bases of 40030920

• Binary: 10011000101101001011001000₂
• Hexadecimal: 0x262D2C8
• Base-36: NU020

Squares and roots of 40030920

• 40030920 squared (40030920²) is 1602474556046400
• 40030920 cubed (40030920³) is 64148530755128954688000
• The square root of 40030920 is 6326.9992887625
• The cube root of 40030920 is 342.0832873997

Scales and comparisons

• 40,030,920 seconds is equal to 1 year, 14 weeks, 1 day, 7 hours, 42 minutes.
• To count from 1 to 40,030,920 would take you about forty-seven 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 40030920 cubic inches would be around 28.5 feet tall.

Recreational maths with 40030920

• 40030920 backwards is 02903004
• 40030920 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 40030920's digits is 18
• More coming soon!