21161572 is an even 8-digits composite number following 21161571
and preceding 21161573 . In scientific notation, it is written as 2.1161572 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors.
There are 10358400 positive integers (up to 21161572) that are relatively prime to 21161572.
21161572 has 24 divisors, whose sum is 37820160
The reverse of 21161572 is 27516112
Previous prime number is 79
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million one hundred sixty-one thousand five hundred seventy-two
Scientific notation
2.1161572 × 10^7
Engineering notation
2.1161572 × 10^6
Prime Factorization
2 × 2 × 167 × 79 × 401
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10580786
Product of the distinct prime numbers
The prime factorization of 21161572 is 2 × 2 × 167 × 79 × 401.
Since it has a total of 5 prime factors.
4 , 3 , 85 , 47 , 85 , 594 , 1036 , 1801 , 6307 , 64759 , 296023 , 985075 , 6054037 , 3375274 , 91982485 , 9453809 , 639592244 , 743762113 , 1615477847 , 1058951612
n×2
42323144
n×3
63484716
n×4
84646288
n×5
105807860
n÷2
10580786
n÷3
7053857.3333333
n÷3
5290393
n÷5
4232314.4
n2
447812129511184
n3
9.4764086211242E+21
n4
2.0053570333734E+29
n5
4.2436507247438E+36
2 √n
4600.1708663918
3 √n
276.59817404203
4 √n
67.824559463308
5 √n
29.181632595686
1 , 2 , 4 , 79 , 158 , 167 , 316 , 334 , 401 , 668 , 802 , 1604 , 13193 , 26386 , 31679 , 52772 , 63358 , 66967 , 126716 , 133934 , 267868 , 5290393 , 10580786 , 21161572
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21161571
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21161572 can be divided by 24 positive divisors.
The sum of these divisors (counting 21161572) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000101110011001100100
3
Ternary
1110211010012221
4
Quaternary
1100232121210
5
Quinary
20404132242
6
Senary
2033322124
8
Octal
120563144
10
Decimal
21161572
12
Duodecimal
7106344
16
Hexadecimal
142e664
20
Vigesimal
6c53ic
36
Base36
clkdg
md5
8f666c149668257a839468d6135f1b7d
sha1
eac1f9ed9e3e8d4d525c5dd93d0d3023713dd711
sha256
df4148165213d1d0c8e5b3eb2ad666973c4bdbf8b83d7d981a5d0b7ebdb71aef
sha512
e508ae54c2691121685bd7be9f34c747c32d549944ab7a2215db3011efa3d3f50e3dfdd0fb8bcc2d17cb11227d0e56f2dfc5f5dbae9656db55715a4dcac0fc2e
ripemd-160
e1a477dfd4382a5daba56acfd9a7105c9b41de5b
Diameter
42323144
Circumference
132962078.26722
Area
1.4068432962607E+15
Volume
3.9694687608719E+22
Surface area
5.6273731850429E+15
Circumference
132962078.26722
Perimeter
84646288
Area
447812129511184
Diagonal
29926982.123535
Surface area
2686872777067104
Volume
9.4764086211242E+21
Space diagonal
36652917.872027
Perimeter
63484716
Area
1.9390834013975E+14
Altitude
18326458.936013
Surface area
1.9390834013975E+14
Volume
1.1168054662153E+21
Height
9975660.7078449