21461954 is an even 8-digits composite number following 21461953
and preceding 21461955 . In scientific notation, it is written as 2.1461954 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 10730976 positive integers (up to 21461954) that are relatively prime to 21461954.
21461954 has 4 divisors, whose sum is 32192934
The reverse of 21461954 is 45916412
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million four hundred sixty-one thousand nine hundred fifty-four
Scientific notation
2.1461954 × 10^7
Engineering notation
2.1461954 × 10^6
Prime Factorization
2 × 10730977
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21461954
Product of the distinct prime numbers
The prime factorization of 21461954 is 2 × 10730977.
Since it has a total of 2 prime factors.
6 , 2 , 33 , 89 , 630 , 970 , 6007 , 9707 , 47980 , 44828 , 276008 , 315175 , 1175961 , 1984097 , 11677307 , 14342012 , 974270154 , 846476506 , 3131018969 , 2612687199
n×2
42923908
n×3
64385862
n×4
85847816
n×5
107309770
n÷2
10730977
n÷3
7153984.6666667
n÷3
5365488.5
n÷5
4292390.8
n2
460615469498116
n3
9.885708018057E+21
n4
2.1216661074097E+29
n5
4.5535100400586E+36
2 √n
4632.7048254772
3 √n
277.90077199787
4 √n
68.063975974646
5 √n
29.264011037805
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
-21461953
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 21461954 can be divided by 4 positive divisors.
The sum of these divisors (counting 21461954) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001110111101111000010
3
Ternary
1111101101021012
4
Quaternary
1101313233002
5
Quinary
20443240304
6
Senary
2044000522
8
Octal
121675702
10
Decimal
21461954
12
Duodecimal
7230142
16
Hexadecimal
1477bc2
20
Vigesimal
6e2ehe
36
Base36
cs05e
md5
d1c3d113a75053bf5ea8af431c7b2a3b
sha1
3ff35c82c2ae9f0d0133994ba18b24e78d934645
sha256
964bebb82018be67005990486ec31e3bafb48a3f679a86819fe671e39d1c63a2
sha512
d74db64ad861ff5d9f15eff52dc0d710ec22af168d53b16aeece35ddf4c633add4724c4b4e179f6895a48723d0f9302c22f04d308e151894fc0da0772aa32036
ripemd-160
45863aaf31c560fa233cd7147d85cd710d8fbcf4
Diameter
42923908
Circumference
134849434.03616
Area
1.4470661751051E+15
Volume
4.1409156913415E+22
Surface area
5.7882647004204E+15
Circumference
134849434.03616
Perimeter
85847816
Area
460615469498116
Diagonal
30351786.421827
Surface area
2763692816988696
Volume
9.885708018057E+21
Space diagonal
37173194.757706
Perimeter
64385862
Area
1.9945234898073E+14
Altitude
18586597.378853
Surface area
1.9945234898073E+14
Volume
1.1650418627331E+21
Height
10117262.140609