21693747 is an odd 8-digits composite number following 21693746
and preceding 21693748 . In scientific notation, it is written as 2.1693747 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 14450760 positive integers (up to 21693747) that are relatively prime to 21693747.
21693747 has 8 divisors, whose sum is 28948480
The reverse of 21693747 is 74739612
Previous prime number is 4111
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million six hundred ninety-three thousand seven hundred forty-seven
Scientific notation
2.1693747 × 10^7
Engineering notation
2.1693747 × 10^6
Prime Factorization
3 × 4111 × 1759
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21693747
Product of the distinct prime numbers
The prime factorization of 21693747 is 3 × 4111 × 1759.
Since it has a total of 3 prime factors.
7 , 5 , 81 , 66 , 332 , 323 , 8736 , 1871 , 51317 , 90056 , 138810 , 432514 , 7086011 , 8900314 , 90869974 , 23219511 , 380599209 , 920546682 , 3291767162 , 3730943001
n×2
43387494
n×3
65081241
n×4
86774988
n×5
108468735
n÷2
10846873.5
n÷3
7231249
n÷3
5423436.75
n÷5
4338749.4
n2
470618658900009
n3
1.0209482119656E+22
n4
2.2148192210484E+29
n5
4.8047727832162E+36
2 √n
4657.6546673192
3 √n
278.89765133751
4 √n
68.247012149391
5 √n
29.326951043109
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
-21693746
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 21693747 can be divided by 8 positive divisors.
The sum of these divisors (counting 21693747) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010110000010100110011
3
Ternary
1111211011020010
4
Quaternary
1102300110303
5
Quinary
21023144442
6
Senary
2052550003
8
Octal
122602463
10
Decimal
21693747
12
Duodecimal
7322303
16
Hexadecimal
14b0533
20
Vigesimal
6fbe77
36
Base36
cwz03
md5
533fcbf82fc6b96a4ca8dbc0bbfa7cf2
sha1
cc6684da4f7adece1edc0f4dcd3374e98f1523d5
sha256
96faf7749b55cd498d77167c8c5ac919acbb331a3064c5b2cb31e793f1e67174
sha512
1160d9ecc202a6c32f15ea3cc44f0b736230aa01de3944479e8f3b912422eb640ecde197e4783af2770c205262aa164865e27f94db8d702a7dca06d99e624559
ripemd-160
971b85412037b977780091c063bb69dde2d938f2
Diameter
43387494
Circumference
136305832.40807
Area
1.4784921214425E+15
Volume
4.2765378698757E+22
Surface area
5.9139684857702E+15
Circumference
136305832.40807
Perimeter
86774988
Area
470618658900009
Diagonal
30679591.226091
Surface area
2823711953400054
Volume
1.0209482119656E+22
Space diagonal
37574672.010545
Perimeter
65081241
Area
2.0378385705119E+14
Altitude
18787336.005272
Surface area
2.0378385705119E+14
Volume
1.2031990065353E+21
Height
10226530.408697