21039970 is an even 8-digits composite number following 21039969
and preceding 21039971 . In scientific notation, it is written as 2.1039970 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 32 positive divisors.
There are 7036800 positive integers (up to 21039970) that are relatively prime to 21039970.
21039970 has 32 divisors, whose sum is 44343936
The reverse of 21039970 is 07993012
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million thirty-nine thousand nine hundred seventy
Scientific notation
2.1039970 × 10^7
Engineering notation
2.1039970 × 10^6
Prime Factorization
2 × 5 × 7 × 41 × 7331
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21039970
Product of the distinct prime numbers
The prime factorization of 21039970 is 2 × 5 × 7 × 41 × 7331.
Since it has a total of 5 prime factors.
1 , 9 , 82 , 40 , 123 , 242 , 2019 , 9410 , 54123 , 60774 , 387926 , 72922 , 6412926 , 142092 , 4875116 , 16855008 , 113514578 , 731632856 , 434023090 , 7605968447
n×2
42079940
n×3
63119910
n×4
84159880
n×5
105199850
n÷2
10519985
n÷3
7013323.3333333
n÷3
5259992.5
n÷5
4207994
n2
442680337600900
n3
9.3139810227128E+21
n4
1.9596588129845E+29
n5
4.1231162635429E+36
2 √n
4586.9347063153
3 √n
276.06734511488
4 √n
67.726912718028
5 √n
29.14801761086
1 , 2 , 5 , 7 , 10 , 14 , 35 , 41 , 70 , 82 , 205 , 287 , 410 , 574 , 1435 , 2870 , 7331 , 14662 , 36655 , 51317 , 73310 , 102634 , 256585 , 300571 , 513170 , 601142 , 1502855 , 2103997 , 3005710 , 4207994 , 10519985 , 21039970
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21039969
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21039970 can be divided by 32 positive divisors.
The sum of these divisors (counting 21039970) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000010000101101100010
3
Ternary
1110120221102011
4
Quaternary
1100100231202
5
Quinary
20341234340
6
Senary
2030543134
8
Octal
120205542
10
Decimal
21039970
12
Duodecimal
7067aaa
16
Hexadecimal
1410b62
20
Vigesimal
6b9jia
36
Base36
ciyjm
md5
2cbf7b740855f20a696e95b4d48f189b
sha1
2594b58f055f26ad602bc4605ca4f9ad5f2a8d24
sha256
33b6893971e34572238c6409e350a8fea63ed685135b4f42b7452cde98f0ac35
sha512
74542e2bf7da3e5b7c2b3e0b5e096fa0f5f356a3999e8ef25b678fa1e9e19693ecc11154f5643004a555c9ffff47a94cbe4f162bb7c77ddde406a1f509547c8d
ripemd-160
49403242e1e8736bcbd7c392412caa4c49d45a7c
Diameter
42079940
Circumference
132198030.3675
Area
1.3907212964956E+15
Volume
3.9014312475506E+22
Surface area
5.5628851859825E+15
Circumference
132198030.3675
Perimeter
84159880
Area
442680337600900
Diagonal
29755010.925923
Surface area
2656082025605400
Volume
9.3139810227128E+21
Space diagonal
36442297.029725
Perimeter
63119910
Area
1.9168620905913E+14
Altitude
18221148.514862
Surface area
1.9168620905913E+14
Volume
1.0976631901672E+21
Height
9918336.9753077