20216961 is an odd 8-digits composite number following 20216960
and preceding 20216962 . In scientific notation, it is written as 2.0216961 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 12685056 positive integers (up to 20216961) that are relatively prime to 20216961.
20216961 has 12 divisors, whose sum is 30920292
The reverse of 20216961 is 16961202
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million two hundred sixteen thousand nine hundred sixty-one
Scientific notation
2.0216961 × 10^7
Engineering notation
2.0216961 × 10^6
Prime Factorization
3 × 3 × 17 × 132137
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6738987
Product of the distinct prime numbers
The prime factorization of 20216961 is 3 × 3 × 17 × 132137.
Since it has a total of 4 prime factors.
9 , 1 , 9 , 85 , 939 , 78 , 9845 , 8508 , 11054 , 3770 , 761680 , 551739 , 5250465 , 9515373 , 5602253 , 21370977 , 860051797 , 284523771 , 5728970488 , 8784522948
n×2
40433922
n×3
60650883
n×4
80867844
n×5
101084805
n÷2
10108480.5
n÷3
6738987
n÷3
5054240.25
n÷5
4043392.2
n2
408725512075521
n3
8.2631877373358E+21
n4
1.670565442214E+29
n5
3.3773756393188E+36
2 √n
4496.3275014171
3 √n
272.41977157297
4 √n
67.054660549563
5 √n
28.916330152251
1 , 3 , 9 , 17 , 51 , 153 , 132137 , 396411 , 1189233 , 2246329 , 6738987 , 20216961
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20216960
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20216961 can be divided by 12 positive divisors.
The sum of these divisors (counting 20216961) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000111110010000001
3
Ternary
1102001010110100
4
Quaternary
1031013302001
5
Quinary
20133420321
6
Senary
2001153013
8
Octal
115076201
10
Decimal
20216961
12
Duodecimal
692b769
16
Hexadecimal
1347c81
20
Vigesimal
667281
36
Base36
c1bi9
md5
33ad6e0619d054f39b32165755a9d81b
sha1
871aa3ae5fd667cc139a2de4338b739f2ccf8952
sha256
7ec3986fc52a748223730efb1c367291992d7dc56ef444a32ed8636fa445237f
sha512
3822f3f73243a58c3efa365aafec902b0b2bd22c1392fa4bd5a3b12b27ffc3147ba271e5ea43da65d560d97f7734e9606dd506eb43091f884c529b6bda3aa3ea
ripemd-160
1b9ed03596bb12e0760a320ad4252e5c74a09f74
Diameter
40433922
Circumference
127026912.31102
Area
1.2840490660712E+15
Volume
3.4612759854463E+22
Surface area
5.1361962642847E+15
Circumference
127026912.31102
Perimeter
80867844
Area
408725512075521
Diagonal
28591100.436168
Surface area
2452353072453126
Volume
8.2631877373358E+21
Space diagonal
35016803.626638
Perimeter
60650883
Area
1.769833383161E+14
Altitude
17508401.813319
Surface area
1.769833383161E+14
Volume
9.7382601388128E+20
Height
9530366.812056