21161574 is an even 8-digits composite number following 21161573
and preceding 21161575 . In scientific notation, it is written as 2.1161574 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 6045840 positive integers (up to 21161574) that are relatively prime to 21161574.
21161574 has 16 divisors, whose sum is 36726816
The reverse of 21161574 is 47516112
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million one hundred sixty-one thousand five hundred seventy-four
Scientific notation
2.1161574 × 10^7
Engineering notation
2.1161574 × 10^6
Prime Factorization
2 × 81 × 7 × 18661
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21161574
Product of the distinct prime numbers
The prime factorization of 21161574 is 2 × 81 × 7 × 18661.
Since it has a total of 4 prime factors.
10 , 4 , 5 , 27 , 146 , 902 , 4779 , 8000 , 5368 , 1997 , 585502 , 681904 , 6999183 , 7448168 , 57289138 , 20225875 , 251304588 , 48068118 , 2089476190 , 3633772309
n×2
42323148
n×3
63484722
n×4
84646296
n×5
105807870
n÷2
10580787
n÷3
7053858
n÷3
5290393.5
n÷5
4232314.8
n2
447812214157476
n3
9.4764113079973E+21
n4
2.0053577914862E+29
n5
4.2436527301012E+36
2 √n
4600.171083775
3 √n
276.59818275588
4 √n
67.824561065849
5 √n
29.181633147283
1 , 2 , 7 , 14 , 81 , 162 , 567 , 1134 , 18661 , 37322 , 130627 , 261254 , 1511541 , 3023082 , 10580787 , 21161574
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21161573
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21161574 can be divided by 16 positive divisors.
The sum of these divisors (counting 21161574) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000101110011001100110
3
Ternary
1110211010020000
4
Quaternary
1100232121212
5
Quinary
20404132244
6
Senary
2033322130
8
Octal
120563146
10
Decimal
21161574
12
Duodecimal
7106346
16
Hexadecimal
142e666
20
Vigesimal
6c53ie
36
Base36
clkdi
md5
be911cff09f70122a7fd650d91e3bd1a
sha1
435be1a645147405d3d8b148494dcc299d20d36e
sha256
a0e1abd1058d63663879421c47cc5ddc54c850a15f665dbd569281db2282b9eb
sha512
0425bc07baf62d67585a10300cabfd59ff9e6a8e92e1e48c7873364f2454c70e62853ad7feca235881e2de0779eb9dcf1428e83effdf6e938f78f54e25ee451e
ripemd-160
cc0e1b5735333f74253a5890a3af8fbf178658b9
Diameter
42323148
Circumference
132962090.83359
Area
1.4068435621849E+15
Volume
3.9694698863466E+22
Surface area
5.6273742487396E+15
Circumference
132962090.83359
Perimeter
84646296
Area
447812214157476
Diagonal
29926984.951962
Surface area
2686873284944856
Volume
9.4764113079973E+21
Space diagonal
36652921.336129
Perimeter
63484722
Area
1.9390837679267E+14
Altitude
18326460.668064
Surface area
1.9390837679267E+14
Volume
1.1168057828663E+21
Height
9975661.650654