21874 is an even 5-digits composite number following 21873
and preceding 21875 . In scientific notation, it is written as 2.1874 × 10^4.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 10936 positive integers (up to 21874) that are relatively prime to 21874.
21874 has 4 divisors, whose sum is 32814
The reverse of 21874 is 47812
Previous prime number is 2
Is Prime? no
Number parity even
Number length 5
Sum of Digits 22
Digital Root 4
Name
twenty-one thousand eight hundred seventy-four
Scientific notation
2.1874 × 10^4
Engineering notation
2.1874 × 10^3
Prime Factorization
2 × 10937
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21874
Product of the distinct prime numbers
The prime factorization of 21874 is 2 × 10937.
Since it has a total of 2 prime factors.
6 , 8 , 28 , 72 , 904 , 825 , 6912 , 2808 , 22916 , 76720 , 328053 , 262971 , 912032 , 2240690 , 75431043 , 76749005 , 245329764 , 677559673 , 452549829 , 521132584
n×2
43748
n×3
65622
n×4
87496
n×5
109370
n÷2
10937
n÷3
7291.3333333333
n÷3
5468.5
n÷5
4374.8
n2
478471876
n3
10466093815624
n4
228935336122959376
n5
5.0077315423536E+21
2 √n
147.89861392183
3 √n
27.966797378325
4 √n
12.161357404576
5 √n
7.3787983428231
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21873
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21874 can be divided by 4 positive divisors.
The sum of these divisors (counting 21874) is 1, the average is 0.25.
Base
System
Value
2
Binary
101010101110010
3
Ternary
1010000011
4
Quaternary
11111302
5
Quinary
1144444
6
Senary
245134
8
Octal
52562
10
Decimal
21874
12
Duodecimal
107aa
16
Hexadecimal
5572
20
Vigesimal
2ede
36
Base36
gvm
md5
9137d1abcaf9bf4fa41416863f1d3ad1
sha1
55ce6df3fe5d547aaddb870296b61211a129b9a6
sha256
1242a92f3878e60fc1dcd87e34e8515c6a8bad6095ec685c98dac7c6085b120d
sha512
f2c8eb7f73e6a0b43be49ee7048de5de0a6ef585baac9e099454cbb2152605bc8022a00ae231036cff3d849e81930e26e7244f6f9845d674de3f2307794c67b6
ripemd-160
6175cfab8266c5a07ca859fa1e553d3368348fd5
Diameter
43748
Circumference
137438.39540925
Area
1503163730.5909
Volume
43840271257261
Surface area
6012654922.3637
Circumference
137438.39540925
Perimeter
87496
Area
478471876
Diagonal
30934.507463349
Surface area
2870831256
Volume
10466093815624
Space diagonal
37886.879364762
Perimeter
65622
Area
207184399.8062
Altitude
18943.439682381
Surface area
207184399.8062
Volume
1233440984927.1
Height
10311.502487783