21948000

Names of 21948000

• Cardinal: 21948000 can be written as Twenty-one million, nine hundred forty-eight thousand.

Scientific notation

• Scientific notation: 2.1948 × 10⁷

Factors of 21948000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 100

Divisors of 21948000

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 31 32 40 48 50 59 60 62 75 80 93 96 100 118 120 124 125 150 155 160 177 186 200 236 240 248 250 295 300 310 354 372 375 400 465 472 480 496 500 590 600 620 708 744 750 775 800 885 930 944 992 1000 1180 1200 1240 1416 1475 1488 1500 1550 1770 1829 1860 1888 2000 2325 2360 2400 2480 2832 2950 2976 3000 3100 3540 3658 3720 3875 4000 4425 4650 4720 4960 5487 5664 5900 6000 6200 7080 7316 7375 7440 7750 8850 9145 9300 9440 10974 11625 11800 12000 12400 14160 14632 14750 14880 15500 17700 18290 18600 21948 22125 23250 23600 24800 27435 28320 29264 29500 31000 35400 36580 37200 43896 44250 45725 46500 47200 54870 58528 59000 62000 70800 73160 74400 87792 88500 91450 93000 109740 118000 124000 137175 141600 146320 175584 177000 182900 186000 219480 228625 236000 274350 292640 354000 365800 372000 438960 457250 548700 685875 708000 731600 877920 914500 1097400 1371750 1463200 1829000 2194800 2743500 3658000 4389600 5487000 7316000 10974000 21948000
• Sum of all divisors σ(n): 75479040
• Sum of proper divisors (its aliquot sum) s(n): 53531040
• 21948000 is an abundant number, because the sum of its proper divisors (53531040) is greater than itself. Its abundance is 31583040

Bases of 21948000

• Binary: 1010011101110011001100000₂
• Hexadecimal: 0x14EE660
• Base-36: D2F6O

Squares and roots of 21948000

• 21948000 squared (21948000²) is 481714704000000
• 21948000 cubed (21948000³) is 10572674323392000000000
• The square root of 21948000 is 4684.8692617831
• The cube root of 21948000 is 279.9829921643

Scales and comparisons

• 21,948,000 seconds is equal to 36 weeks, 2 days, 40 minutes.
• To count from 1 to 21,948,000 would take you about 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 21948000 cubic inches would be around 23.3 feet tall.

Recreational maths with 21948000

• 21948000 backwards is 00084912
• 21948000 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 21948000's digits is 24
• More coming soon!