21508748 is an even 8-digits composite number following 21508747
and preceding 21508749 . In scientific notation, it is written as 2.1508748 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 6 positive divisors.
There are 10754372 positive integers (up to 21508748) that are relatively prime to 21508748.
21508748 has 6 divisors, whose sum is 37640316
The reverse of 21508748 is 84780512
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million five hundred eight thousand seven hundred forty-eight
Scientific notation
2.1508748 × 10^7
Engineering notation
2.1508748 × 10^6
Prime Factorization
2 × 2 × 5377187
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10754374
Product of the distinct prime numbers
The prime factorization of 21508748 is 2 × 2 × 5377187.
Since it has a total of 3 prime factors.
3 , 3 , 49 , 58 , 504 , 155 , 6934 , 2544 , 15396 , 68640 , 992516 , 84129 , 5875041 , 4111722 , 57490219 , 65076782 , 778368335 , 885342818 , 3004357789 , 7354258025
n×2
43017496
n×3
64526244
n×4
86034992
n×5
107543740
n÷2
10754374
n÷3
7169582.6666667
n÷3
5377187
n÷5
4301749.6
n2
462626240527504
n3
9.9505112256935E+21
n4
2.1402303842461E+29
n5
4.6033675996693E+36
2 √n
4637.7524729119
3 √n
278.10259657104
4 √n
68.101046048588
5 √n
29.276760924566
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21508747
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21508748 can be divided by 6 positive divisors.
The sum of these divisors (counting 21508748) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010010000011001010001100
3
Ternary
1111110202110022
4
Quaternary
1102003022030
5
Quinary
21001234443
6
Senary
2045001312
8
Octal
122031214
10
Decimal
21508748
12
Duodecimal
7253238
16
Hexadecimal
148328c
20
Vigesimal
6e8bh8
36
Base36
ct098
md5
365754e0402e5a79ba5debbbb0e43900
sha1
04d4e66b363f371e3748361471a55fda23ed707a
sha256
150ae79cd3cb6fa26c4430385c2bae55e91151ccc2a420f340111690f904c67a
sha512
5579de14734c52b385222803080772ece6f96a7fac979a775958b8a2bd722b2a2f4758520890e75b516cc60fed9b75f896503b4ab921f6b77414fbed8e73bce0
ripemd-160
ef4198e0f6ee9a038417232031701065a1bdae84
Diameter
43017496
Circumference
135143449.40943
Area
1.4533831985991E+15
Volume
4.1680603954802E+22
Surface area
5.8135327943963E+15
Circumference
135143449.40943
Perimeter
86034992
Area
462626240527504
Diagonal
30417963.131265
Surface area
2775757443165024
Volume
9.9505112256935E+21
Space diagonal
37254244.343195
Perimeter
64526244
Area
2.0032303837705E+14
Altitude
18627122.171598
Surface area
2.0032303837705E+14
Volume
1.1726789939935E+21
Height
10139321.043755