21072556 is an even 8-digits composite number following 21072555
and preceding 21072557 . In scientific notation, it is written as 2.1072556 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 10522512 positive integers (up to 21072556) that are relatively prime to 21072556.
21072556 has 12 divisors, whose sum is 36925168
The reverse of 21072556 is 65527012
Previous prime number is 877
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million seventy-two thousand five hundred fifty-six
Scientific notation
2.1072556 × 10^7
Engineering notation
2.1072556 × 10^6
Prime Factorization
2 × 2 × 877 × 6007
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10536278
Product of the distinct prime numbers
The prime factorization of 21072556 is 2 × 2 × 877 × 6007.
Since it has a total of 4 prime factors.
8 , 7 , 35 , 77 , 325 , 919 , 5195 , 5587 , 50166 , 20395 , 255505 , 282811 , 4467605 , 6840066 , 70944135 , 45814351 , 111778409 , 840160144 , 8623588249 , 2843405884
n×2
42145112
n×3
63217668
n×4
84290224
n×5
105362780
n÷2
10536278
n÷3
7024185.3333333
n÷3
5268139
n÷5
4214511.2
n2
444052616373136
n3
9.3573236254694E+21
n4
1.9718272610783E+29
n5
4.1551440381399E+36
2 √n
4590.4853773866
3 √n
276.20979288296
4 √n
67.753120794444
5 √n
29.157040717167
1 , 2 , 4 , 877 , 1754 , 3508 , 6007 , 12014 , 24028 , 5268139 , 10536278 , 21072556
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
-21072555
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 21072556 can be divided by 12 positive divisors.
The sum of these divisors (counting 21072556) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000011000101010101100
3
Ternary
1110122121010001
4
Quaternary
1100120222230
5
Quinary
20343310211
6
Senary
2031354044
8
Octal
120305254
10
Decimal
21072556
12
Duodecimal
7082924
16
Hexadecimal
1418aac
20
Vigesimal
6be17g
36
Base36
cjnos
md5
8db1d586377c1678fa263d2f2e458cf5
sha1
48a8f7304a32686327094830d92ffae8dc648a04
sha256
92357d378657d2653a3948b632e4ca350508e77fbcfce4d8aabfc88d6c4a9302
sha512
3d0aa0d3322a774c56703115fc6a925a869dec6f6bfe7d8474fc052ef22d4f8b0b9ecff7ada35b32545a14dfbe4008fb9ac2b24d136e967ff276da216b0d7cf4
ripemd-160
aee9f804413715e334831b70f0bdc7da662ea927
Diameter
42145112
Circumference
132402774.24392
Area
1.3950324374052E+15
Volume
3.9195865545383E+22
Surface area
5.5801297496207E+15
Circumference
132402774.24392
Perimeter
84290224
Area
444052616373136
Diagonal
29801094.489067
Surface area
2664315698238816
Volume
9.3573236254694E+21
Space diagonal
36498737.63734
Perimeter
63217668
Area
1.9228042319804E+14
Altitude
18249368.81867
Surface area
1.9228042319804E+14
Volume
1.1027711648878E+21
Height
9933698.1630222