21007089 is an odd 8-digits composite number following 21007088
and preceding 21007090 . In scientific notation, it is written as 2.1007089 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 13957272 positive integers (up to 21007089) that are relatively prime to 21007089.
21007089 has 8 divisors, whose sum is 23420320
The reverse of 21007089 is 98070012
Previous prime number is 307
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million seven thousand eighty-nine
Scientific notation
2.1007089 × 10^7
Engineering notation
2.1007089 × 10^6
Prime Factorization
9 × 307 × 7603
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21007089
Product of the distinct prime numbers
The prime factorization of 21007089 is 9 × 307 × 7603.
Since it has a total of 3 prime factors.
9 , 2 , 32 , 56 , 100 , 429 , 5378 , 7351 , 16000 , 7903 , 386622 , 656037 , 6015086 , 5753935 , 65704475 , 78385170 , 297916516 , 847418221 , 9803100875 , 3331064198
n×2
42014178
n×3
63021267
n×4
84028356
n×5
105035445
n÷2
10503544.5
n÷3
7002363
n÷3
5251772.25
n÷5
4201417.8
n2
441297788253921
n3
9.2703819133533E+21
n4
1.947437379178E+29
n5
4.090999034632E+36
2 √n
4583.3491030032
3 √n
275.92345861138
4 √n
67.700436505263
5 √n
29.138901479519
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21007088
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21007089 can be divided by 8 positive divisors.
The sum of these divisors (counting 21007089) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000001000101011110001
3
Ternary
1110112021022100
4
Quaternary
1100020223301
5
Quinary
20334211324
6
Senary
2030131013
8
Octal
120105361
10
Decimal
21007089
12
Duodecimal
7050a69
16
Hexadecimal
1408af1
20
Vigesimal
6b5he9
36
Base36
ci969
md5
1d038bd6838b426cb79a832f3552bbe7
sha1
db8ffe6395a51ab9650f2922dfa3d29ecbbea165
sha256
27a6b7ef5ef83cb548b9141f8a1ca7e2e5ebd0c8e66ace380b4d8e91b51c1cb5
sha512
3f0d79d243e765c4204e6091d34fa68bcc341d60a298d195d34a08a991fa4fae0680e080d9d6b86d9289936a079cd9ef45cd021a7989b27c0928c0d6f5256092
ripemd-160
ad0aef70c3a33237ae6185199f30902e2e4adc15
Diameter
42014178
Circumference
131991432.95141
Area
1.3863778896239E+15
Volume
3.8831684953283E+22
Surface area
5.5455115584958E+15
Circumference
131991432.95141
Perimeter
84028356
Area
441297788253921
Diagonal
29708510.169779
Surface area
2647786729523526
Volume
9.2703819133533E+21
Space diagonal
36385345.467121
Perimeter
63021267
Area
1.9108754763089E+14
Altitude
18192672.733561
Surface area
1.9108754763089E+14
Volume
1.0925249858535E+21
Height
9902836.7232596