21001694 is an even 8-digits composite number following 21001693
and preceding 21001695 . In scientific notation, it is written as 2.1001694 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 28 positive divisors.
There are 8671320 positive integers (up to 21001694) that are relatively prime to 21001694.
21001694 has 28 divisors, whose sum is 37357152
The reverse of 21001694 is 49610012
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million one thousand six hundred ninety-four
Scientific notation
2.1001694 × 10^7
Engineering notation
2.1001694 × 10^6
Prime Factorization
2 × 217 × 7 × 31 × 223
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21001694
Product of the distinct prime numbers
The prime factorization of 21001694 is 2 × 217 × 7 × 31 × 223.
Since it has a total of 5 prime factors.
3 , 4 , 57 , 10 , 139 , 889 , 4717 , 2235 , 32222 , 26663 , 835734 , 139847 , 3689426 , 5903123 , 70910112 , 74750654 , 917995638 , 730610562 , 9277129033 , 149481770
n×2
42003388
n×3
63005082
n×4
84006776
n×5
105008470
n÷2
10500847
n÷3
7000564.6666667
n÷3
5250423.5
n÷5
4200338.8
n2
441071150869636
n3
9.2632413427919E+21
n4
1.9454376012947E+29
n5
4.0857485198484E+36
2 √n
4582.7605217816
3 √n
275.89983587921
4 √n
67.696089412769
5 √n
29.137404646473
1 , 2 , 7 , 14 , 31 , 62 , 217 , 223 , 434 , 446 , 1519 , 1561 , 3038 , 3122 , 6727 , 6913 , 13454 , 13826 , 47089 , 48391 , 94178 , 96782 , 338737 , 677474 , 1500121 , 3000242 , 10500847 , 21001694
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21001693
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21001694 can be divided by 28 positive divisors.
The sum of these divisors (counting 21001694) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1010000000111010111011110
3
Ternary
1110111222220112
4
Quaternary
1100013113132
5
Quinary
20334023234
6
Senary
2030050022
8
Octal
120072736
10
Decimal
21001694
12
Duodecimal
7049912
16
Hexadecimal
14075de
20
Vigesimal
6b544e
36
Base36
ci50e
md5
32d85e8ef9ca89c5a90ab38b7e1809af
sha1
b460a1041dd1d2afb4f7d62504dfe1c299b2a90c
sha256
8f25611b1d8951208684f9a4b83ba6a8ea927fb1dfd8a7f638177e23d6cdf73d
sha512
9faf5b5b9fbb9d2a7512d5e3ef3ed728126c0a4f3344462195189287e999cd9ad09934d43837c31da10b141eef783e9b318577f06a0cbc3d689671cff7cf6490
ripemd-160
6474cf4bee05b082962fd9207bca87afacfce23c
Diameter
42003388
Circumference
131957535.16668
Area
1.3856658872824E+15
Volume
3.8801774601259E+22
Surface area
5.5426635491298E+15
Circumference
131957535.16668
Perimeter
84006776
Area
441071150869636
Diagonal
29700880.48761
Surface area
2646426905217816
Volume
9.2632413427919E+21
Space diagonal
36376001.053014
Perimeter
63005082
Area
1.9098941076477E+14
Altitude
18188000.526507
Surface area
1.9098941076477E+14
Volume
1.0916834615426E+21
Height
9900293.4958699