21541908 is an even 8-digits composite number following 21541907
and preceding 21541909 . In scientific notation, it is written as 2.1541908 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 7169920 positive integers (up to 21541908) that are relatively prime to 21541908.
21541908 has 24 divisors, whose sum is 50339520
The reverse of 21541908 is 80914512
Previous prime number is 1319
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million five hundred forty-one thousand nine hundred eight
Scientific notation
2.1541908 × 10^7
Engineering notation
2.1541908 × 10^6
Prime Factorization
2 × 2 × 3 × 1319 × 1361
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10770954
Product of the distinct prime numbers
The prime factorization of 21541908 is 2 × 2 × 3 × 1319 × 1361.
Since it has a total of 5 prime factors.
7 , 9 , 42 , 90 , 431 , 290 , 3244 , 5292 , 8402 , 5958 , 392170 , 178986 , 955829 , 9192391 , 56725240 , 55425174 , 261649759 , 489662278 , 7570237407 , 6653620812
n×2
43083816
n×3
64625724
n×4
86167632
n×5
107709540
n÷2
10770954
n÷3
7180636
n÷3
5385477
n÷5
4308381.6
n2
464053800280464
n3
9.9966042726921E+21
n4
2.1534592955474E+29
n5
4.6389622026427E+36
2 √n
4641.3261036044
3 √n
278.24543995485
4 √n
68.127278703941
5 √n
29.285782549279
1 , 2 , 3 , 4 , 6 , 12 , 1319 , 1361 , 2638 , 2722 , 3957 , 4083 , 5276 , 5444 , 7914 , 8166 , 15828 , 16332 , 1795159 , 3590318 , 5385477 , 7180636 , 10770954 , 21541908
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21541907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21541908 can be divided by 24 positive divisors.
The sum of these divisors (counting 21541908) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010001011010000010100
3
Ternary
1111112102221110
4
Quaternary
1102023100110
5
Quinary
21003320113
6
Senary
2045415020
8
Octal
122132024
10
Decimal
21541908
12
Duodecimal
726a470
16
Hexadecimal
148b414
20
Vigesimal
6ecef8
36
Base36
ctpuc
md5
26a701c58e43e7ec8a23fcd337234af3
sha1
29a4f2dbedb0140a0824344ee2e0c1b7d1cc035f
sha256
89a5c3cf1365993f87778b56d70a0cf7447a07eea5c71fa9f2fec25c59f1abe4
sha512
f303d2ac7d78e30fae8d36ae3198eb163e6057d2e40dcc9556456425847db8d325c5fce6f5548c29270f0127b62762490774f46e745673f5a4b7ecdb513f028c
ripemd-160
a4e13a283f1cb0a9b7963e69fd228bd50ca6499c
Diameter
43083816
Circumference
135351799.83421
Area
1.4578680098315E+15
Volume
4.1873678058579E+22
Surface area
5.8314720393261E+15
Circumference
135351799.83421
Perimeter
86167632
Area
464053800280464
Diagonal
30464858.452993
Surface area
2784322801682784
Volume
9.9966042726921E+21
Space diagonal
37311679.147974
Perimeter
64625724
Area
2.009411898828E+14
Altitude
18655839.573987
Surface area
2.009411898828E+14
Volume
1.1781111116765E+21
Height
10154952.817664