21690623 is an odd 8-digits composite number following 21690622
and preceding 21690624 . In scientific notation, it is written as 2.1690623 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 20350336 positive integers (up to 21690623) that are relatively prime to 21690623.
21690623 has 8 divisors, whose sum is 23038992
The reverse of 21690623 is 32609612
Previous prime number is 347
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million six hundred ninety thousand six hundred twenty-three
Scientific notation
2.1690623 × 10^7
Engineering notation
2.1690623 × 10^6
Prime Factorization
17 × 347 × 3677
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21690623
Product of the distinct prime numbers
The prime factorization of 21690623 is 17 × 347 × 3677.
Since it has a total of 3 prime factors.
10 , 1 , 43 , 99 , 35 , 762 , 1803 , 1195 , 36321 , 9138 , 881676 , 262709 , 9877710 , 3130226 , 49447911 , 48003522 , 453405147 , 82901445 , 7781348723 , 1400789241
n×2
43381246
n×3
65071869
n×4
86762492
n×5
108453115
n÷2
10845311.5
n÷3
7230207.6666667
n÷3
5422655.75
n÷5
4338124.6
n2
470483126128129
n3
1.0205072116707E+22
n4
2.213543719713E+29
n5
4.8013142318312E+36
2 √n
4657.3192933274
3 √n
278.88426317718
4 √n
68.244555045274
5 √n
29.326106351107
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
-21690622
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 21690623 can be divided by 8 positive divisors.
The sum of these divisors (counting 21690623) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010101111100011111111
3
Ternary
1111210222221102
4
Quaternary
1102233203333
5
Quinary
21023044443
6
Senary
2052523315
8
Octal
122574377
10
Decimal
21690623
12
Duodecimal
732053b
16
Hexadecimal
14af8ff
20
Vigesimal
6fb6b3
36
Base36
cwwlb
md5
33a1943bd99a3a78cbe6e82518163164
sha1
65e5419097ae2b8f1a2e12dd60eeb229966e8534
sha256
5f112dd7cd24ef4b0c481fbd143be83d2b599c678b0fe5981bebb903ad274d1a
sha512
e362fec1d50124410c1f48fcd7f0666ffe4a5478f5be78af236add664829b1dca240f31a790c5a2dde756d84d20fc01dde7ee22a620fc976fcfc40d118c7f92c
ripemd-160
fef6adbb221ee27634e2610c6c3bff3d0f930b99
Diameter
43381246
Circumference
136286203.73717
Area
1.4780663326821E+15
Volume
4.27469061216E+22
Surface area
5.9122653307284E+15
Circumference
136286203.73717
Perimeter
86762492
Area
470483126128129
Diagonal
30675173.222922
Surface area
2822898756768774
Volume
1.0205072116707E+22
Space diagonal
37569261.083822
Perimeter
65071869
Area
2.0372516963944E+14
Altitude
18784630.541911
Surface area
2.0372516963944E+14
Volume
1.2026792827035E+21
Height
10225057.740974