21551008 is an even 8-digits composite number following 21551007
and preceding 21551009 . In scientific notation, it is written as 2.1551008 × 10^7.
The sum of its digits is 22. It has a total of 6 prime factors and 12 positive divisors.
There are 10775488 positive integers (up to 21551008) that are relatively prime to 21551008.
21551008 has 12 divisors, whose sum is 42428610
The reverse of 21551008 is 80015512
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million five hundred fifty-one thousand eight
Scientific notation
2.1551008 × 10^7
Engineering notation
2.1551008 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 673469
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1346938
Product of the distinct prime numbers
The prime factorization of 21551008 is 2 × 2 × 2 × 2 × 2 × 673469.
Since it has a total of 6 prime factors.
6 , 8 , 15 , 99 , 754 , 430 , 7031 , 3147 , 13960 , 79848 , 286477 , 4433 , 5415361 , 573227 , 75106616 , 77299530 , 231109239 , 52054808 , 9557883331 , 3805106631
n×2
43102016
n×3
64653024
n×4
86204032
n×5
107755040
n÷2
10775504
n÷3
7183669.3333333
n÷3
5387752
n÷5
4310201.6
n2
464445945816064
n3
1.000927829385E+22
n4
2.1571003658498E+29
n5
4.6487687241232E+36
2 √n
4642.3063233699
3 √n
278.28461440262
4 √n
68.134472357023
5 √n
29.288256384012
1 , 2 , 4 , 8 , 16 , 32 , 673469 , 1346938 , 2693876 , 5387752 , 10775504 , 21551008
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21551007
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21551008 can be divided by 12 positive divisors.
The sum of these divisors (counting 21551008) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010001101011110100000
3
Ternary
1111112220102111
4
Quaternary
1102031132200
5
Quinary
21004113013
6
Senary
2045525104
8
Octal
122153640
10
Decimal
21551008
12
Duodecimal
7273794
16
Hexadecimal
148d7a0
20
Vigesimal
6edha8
36
Base36
ctwv4
md5
348df8185cda8aee06438ae241706f38
sha1
967393e59df76c4af3a892d9bfe7cf0ce660acff
sha256
66d8a657dee1c210c5b6f52c49552ea5f3c2c09edff39cd69d467bc9ed60b4fe
sha512
097275cb60051d551927d85c214607e7b5c74370dc662fe2424ed99e38c7f2b0d478b92cf575ab65c0a6ab3c60eb5df782f3e5bcb634f7306aaeeb544193714c
ripemd-160
1d7b23a0a89afd8b2476e1fed9dc03c927b639f2
Diameter
43102016
Circumference
135408976.82051
Area
1.4590999713653E+15
Volume
4.1926766874258E+22
Surface area
5.8363998854612E+15
Circumference
135408976.82051
Perimeter
86204032
Area
464445945816064
Diagonal
30477727.796411
Surface area
2786675674896384
Volume
1.000927829385E+22
Space diagonal
37327440.810323
Perimeter
64653024
Area
2.011109938807E+14
Altitude
18663720.405162
Surface area
2.011109938807E+14
Volume
1.1796047593941E+21
Height
10159242.598804