21693397 is an odd 8-digits composite number following 21693396
and preceding 21693398 . In scientific notation, it is written as 2.1693397 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 19084800 positive integers (up to 21693397) that are relatively prime to 21693397.
21693397 has 8 divisors, whose sum is 24429312
The reverse of 21693397 is 79339612
Previous prime number is 11
Is Prime? no Number parity odd Number length 8 Sum of Digits 40 Digital Root 4
Name
twenty-one million six hundred ninety-three thousand three hundred ninety-seven
Scientific notation
2.1693397 × 10^7
Engineering notation
2.1693397 × 10^6
Prime Factorization
31 × 11 × 63617
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
21693397 Product of the distinct prime numbers
The prime factorization of 21693397 is 31 × 11 × 63617.
Since it has a total of 3 prime factors.
2 , 2 , 56 , 69 , 982 , 875 , 1041 , 9884 , 50993 , 15675 , 162820 , 742525 , 424601 , 4140182 , 34664273 , 72505483 , 109966684 , 36741357 , 8570099447 , 4798860925
n×2
43386794
n×3
65080191
n×4
86773588
n×5
108466985
n÷2
10846698.5
n÷3
7231132.3333333
n÷3
5423349.25
n÷5
4338679.4
n2
470603473399609
n3
1.0208987978037E+22
n4
2.2146762917578E+29
n5
4.8043852023589E+36
2 √n4657.6170946096
3 √n278.8961514475
4 √n68.24673687884
5 √n29.326856412162
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
-21693396 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 21693397 can be divided by 8 positive divisors.
The sum of these divisors (counting 21693397) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010110000001111010101
3
Ternary
1111211010202011
4
Quaternary
1102300033111
5
Quinary
21023142042
6
Senary
2052544221
8
Octal
122601725
10
Decimal
21693397
12
Duodecimal
7322071
16
Hexadecimal
14b03d5
20
Vigesimal
6fbd9h
36
Base36
cwyqd
md5
049faed34b83c6013ad2e3380389a43f
sha1
4dfab90b02b8650072e981d629dc791f5cf9744d
sha256
8a7a075272ff25bfda61d939cfeb3e02d3fa65045a1f5918dcce20a7d3c05ee9
sha512
729b6563a796ab727c92ad520db66e4c27c68fd5e055a10e9bcdd9de9a05e2b4aef10dd495a5d07ab956e4902b2fd2986a7babfbb5c687f8a2d2ff6a15eebd2f
ripemd-160
6a18bfc828704a068a65d5892b787347b7c05f42
Diameter
43386794
Circumference
136303633.29321
Area
1.4784444147861E+15
Volume
4.2763308843182E+22
Surface area
5.9137776591442E+15
Circumference
136303633.29321
Perimeter
86773588
Area
470603473399609
Diagonal
30679096.251344
Surface area
2823620840397654
Volume
1.0208987978037E+22
Space diagonal
37574065.792762
Perimeter
65080191
Area
2.0377728153663E+14
Altitude
18787032.896381
Surface area
2.0377728153663E+14
Volume
1.2031407713869E+21
Height
10226365.417115