21351738 is an even 8-digits composite number following 21351737
and preceding 21351739 . In scientific notation, it is written as 2.1351738 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 6924816 positive integers (up to 21351738) that are relatively prime to 21351738.
21351738 has 16 divisors, whose sum is 43858080
The reverse of 21351738 is 83715312
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million three hundred fifty-one thousand seven hundred thirty-eight
Scientific notation
2.1351738 × 10^7
Engineering notation
2.1351738 × 10^6
Prime Factorization
2 × 3 × 37 × 96179
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21351738
Product of the distinct prime numbers
The prime factorization of 21351738 is 2 × 3 × 37 × 96179.
Since it has a total of 4 prime factors.
5 , 9 , 53 , 66 , 831 , 980 , 6304 , 4440 , 94034 , 59203 , 121601 , 438354 , 1648848 , 4899694 , 70531222 , 37743575 , 691276877 , 426806719 , 4382588601 , 7998668014
n×2
42703476
n×3
64055214
n×4
85406952
n×5
106758690
n÷2
10675869
n÷3
7117246
n÷3
5337934.5
n÷5
4270347.6
n2
455896715620644
n3
9.7341872269925E+21
n4
2.0784181531369E+29
n5
4.4377839860223E+36
2 √n
4620.7940876001
3 √n
277.42424358494
4 √n
67.9764230274
5 √n
29.23389254854
1 , 2 , 3 , 6 , 37 , 74 , 111 , 222 , 96179 , 192358 , 288537 , 577074 , 3558623 , 7117246 , 10675869 , 21351738
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21351737
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21351738 can be divided by 16 positive divisors.
The sum of these divisors (counting 21351738) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001011100110100111010
3
Ternary
1111011210002010
4
Quaternary
1101130310322
5
Quinary
20431223423
6
Senary
2041350350
8
Octal
121346472
10
Decimal
21351738
12
Duodecimal
71983b6
16
Hexadecimal
145cd3a
20
Vigesimal
6d8j6i
36
Base36
cpn3u
md5
fb66771a5330270d1b6cf41c2c021d49
sha1
347ea8194150438a3a13a672b52f7a55ec30fbe6
sha256
ef7d736138c4371ce374191ca0aec65db672fdd0c24daa19a003e01a76d7d653
sha512
dac792341ae1a4aa450e2409e3ee9d5669eb73a6842b3bda02114762466128209d4c891750bf36796e8dc081eacc6a7657f86aa41b9b1f46256ec379e22c2298
ripemd-160
6b1db10a9c0c20c94d866d8a1ca4aa99148d06be
Diameter
42703476
Circumference
134156926.48435
Area
1.4322417725895E+15
Volume
4.0774468107983E+22
Surface area
5.7289670903581E+15
Circumference
134156926.48435
Perimeter
85406952
Area
455896715620644
Diagonal
30195917.459837
Surface area
2735380293723864
Volume
9.7341872269925E+21
Space diagonal
36982295.045899
Perimeter
64055214
Area
1.9740906861468E+14
Altitude
18491147.52295
Surface area
1.9740906861468E+14
Volume
1.1471849662576E+21
Height
10065305.819946