21007926 is an even 8-digits composite number following 21007925
and preceding 21007927 . In scientific notation, it is written as 2.1007926 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 6985440 positive integers (up to 21007926) that are relatively prime to 21007926.
21007926 has 16 divisors, whose sum is 35099280
The reverse of 21007926 is 62970012
Previous prime number is 2377
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million seven thousand nine hundred twenty-six
Scientific notation
2.1007926 × 10^7
Engineering notation
2.1007926 × 10^6
Prime Factorization
2 × 9 × 2377 × 491
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21007926
Product of the distinct prime numbers
The prime factorization of 21007926 is 2 × 9 × 2377 × 491.
Since it has a total of 4 prime factors.
3 , 2 , 92 , 27 , 996 , 305 , 3119 , 2035 , 68190 , 13581 , 346905 , 256235 , 221702 , 8508406 , 2581910 , 47143484 , 774533981 , 169370293 , 9002506999 , 2550378955
n×2
42015852
n×3
63023778
n×4
84031704
n×5
105039630
n÷2
10503963
n÷3
7002642
n÷3
5251981.5
n÷5
4201585.2
n2
441332954821476
n3
9.2714900562509E+21
n4
1.9477477701145E+29
n5
4.0918141021231E+36
2 √n
4583.4404108704
3 √n
275.92712316588
4 √n
67.701110854036
5 √n
29.139133676106
1 , 2 , 9 , 18 , 491 , 982 , 2377 , 4419 , 4754 , 8838 , 21393 , 42786 , 1167107 , 2334214 , 10503963 , 21007926
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
-21007925
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 21007926 can be divided by 16 positive divisors.
The sum of these divisors (counting 21007926) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000001000111000110110
3
Ternary
1110112022110100
4
Quaternary
1100020320312
5
Quinary
20334223201
6
Senary
2030134530
8
Octal
120107066
10
Decimal
21007926
12
Duodecimal
7051446
16
Hexadecimal
1408e36
20
Vigesimal
6b5jg6
36
Base36
ci9ti
md5
30ce1706b7d78ba96a6e09113ea23dc6
sha1
edfef28053c69c2333f8ae8da1ab3f25446c9035
sha256
01d5f858a2b54e7e337c1bdd3f506870f4facb350d2594eec780ec92a179bc32
sha512
c2d076cae239527a5652717b633819c5c459dd78603cc5b47e175fcf0543ea9f118b112700457d7a8c8dd5b890a3c2e41849afe1b719cc52b1e151ac4c31792c
ripemd-160
e7b3d88a3852522eb5f0806429c9ad96ae6116b1
Diameter
42015852
Circumference
131996691.97752
Area
1.3864883686542E+15
Volume
3.8836326731398E+22
Surface area
5.5459534746169E+15
Circumference
131996691.97752
Perimeter
84031704
Area
441332954821476
Diagonal
29709693.86653
Surface area
2647997728928856
Volume
9.2714900562509E+21
Space diagonal
36386795.193647
Perimeter
63023778
Area
1.9110277520132E+14
Altitude
18193397.596824
Surface area
1.9110277520132E+14
Volume
1.0926555817464E+21
Height
9903231.2888435