21161946 is an even 8-digits composite number following 21161945
and preceding 21161947 . In scientific notation, it is written as 2.1161946 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 6387264 positive integers (up to 21161946) that are relatively prime to 21161946.
21161946 has 32 divisors, whose sum is 46448640
The reverse of 21161946 is 64916112
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million one hundred sixty-one thousand nine hundred forty-six
Scientific notation
2.1161946 × 10^7
Engineering notation
2.1161946 × 10^6
Prime Factorization
2 × 3 × 13 × 53 × 5119
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21161946
Product of the distinct prime numbers
The prime factorization of 21161946 is 2 × 3 × 13 × 53 × 5119.
Since it has a total of 5 prime factors.
1 , 5 , 77 , 88 , 373 , 332 , 6419 , 448 , 20832 , 34374 , 619914 , 367847 , 8881620 , 4149998 , 60893372 , 20921266 , 551615709 , 359944714 , 6420242508 , 8879390183
n×2
42323892
n×3
63485838
n×4
84647784
n×5
105809730
n÷2
10580973
n÷3
7053982
n÷3
5290486.5
n÷5
4232389.2
n2
447827958506916
n3
9.4769110752136E+21
n4
2.0054988042047E+29
n5
4.2440257397645E+36
2 √n
4600.2115168762
3 √n
276.59980352254
4 √n
67.824859136427
5 √n
29.181735743538
1 , 2 , 3 , 6 , 13 , 26 , 39 , 53 , 78 , 106 , 159 , 318 , 689 , 1378 , 2067 , 4134 , 5119 , 10238 , 15357 , 30714 , 66547 , 133094 , 199641 , 271307 , 399282 , 542614 , 813921 , 1627842 , 3526991 , 7053982 , 10580973 , 21161946
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21161945
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21161946 can be divided by 32 positive divisors.
The sum of these divisors (counting 21161946) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000101110011111011010
3
Ternary
1110211010201210
4
Quaternary
1100232133122
5
Quinary
20404140241
6
Senary
2033323550
8
Octal
120563732
10
Decimal
21161946
12
Duodecimal
71065b6
16
Hexadecimal
142e7da
20
Vigesimal
6c54h6
36
Base36
clknu
md5
b620d0d9262e69471e6b19a24e4956a0
sha1
8e7d2a696526b70d7aebd4c58ed514b9b17cbd4b
sha256
81e29db297a59444fb59896cf85745123f4ca3359b5709319a9407b25f13d78e
sha512
e39cfa6462d267780963e4232b9eec2f09666ad2ec8f55c95757275c1af908ce793c4391c47af4ba21ca5453bd7cbb5bdc9f0c2506670fa712d07696fd1b8d17
ripemd-160
1e6a6f0d61e70962674018af1d0777fdec38b615
Diameter
42323892
Circumference
132964428.17853
Area
1.4068930245174E+15
Volume
3.9696792283486E+22
Surface area
5.6275720980698E+15
Circumference
132964428.17853
Perimeter
84647784
Area
447827958506916
Diagonal
29927511.039407
Surface area
2686967751041496
Volume
9.4769110752136E+21
Space diagonal
36653565.659029
Perimeter
63485838
Area
1.9391519429596E+14
Altitude
18326782.829514
Surface area
1.9391519429596E+14
Volume
1.1168646809976E+21
Height
9975837.0131357