21096945 is an odd 8-digits composite number following 21096944
and preceding 21096946 . In scientific notation, it is written as 2.1096945 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 11251680 positive integers (up to 21096945) that are relatively prime to 21096945.
21096945 has 8 divisors, whose sum is 30004608
The reverse of 21096945 is 54969012
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million ninety-six thousand nine hundred forty-five
Scientific notation
2.1096945 × 10^7
Engineering notation
2.1096945 × 10^6
Prime Factorization
3 × 15 × 468821
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21096945
Product of the distinct prime numbers
The prime factorization of 21096945 is 3 × 15 × 468821.
Since it has a total of 3 prime factors.
4 , 1 , 90 , 59 , 255 , 134 , 9720 , 7065 , 54025 , 65855 , 327071 , 381428 , 751164 , 1984452 , 9633954 , 22749366 , 144840992 , 755103538 , 3676682653 , 8621647022
n×2
42193890
n×3
63290835
n×4
84387780
n×5
105484725
n÷2
10548472.5
n÷3
7032315
n÷3
5274236.25
n÷5
4219389
n2
445081088333025
n3
9.389851241102E+21
n4
1.9809717519171E+29
n5
4.1792452096749E+36
2 √n
4593.1410820919
3 √n
276.31631189303
4 √n
67.77271635468
5 √n
29.163786762436
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
-21096944
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 21096945 can be divided by 8 positive divisors.
The sum of these divisors (counting 21096945) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011110100111110001
3
Ternary
1110200211120100
4
Quaternary
1100132213301
5
Quinary
20400100240
6
Senary
2032103013
8
Octal
120364761
10
Decimal
21096945
12
Duodecimal
7094a69
16
Hexadecimal
141e9f1
20
Vigesimal
6bh275
36
Base36
ck6i9
md5
2ba9393504b589a726fc1a1178eabd61
sha1
8ac66f278731efa391ac887ee4fc6e4276f54f3b
sha256
381176cb9f5789167fdb5e29ff6a3c4bd82f2279ffd7dd9a0ac592c12a9cc4a6
sha512
5da9033d2f0574d62ed1210c3c63f5932f4d8e41fc4a7923b66b377dc7ad0b7b0e9b99e640b1639529eaa55bad201069283faec84915d8d6c1e61189c240332c
ripemd-160
4563d8f728465a40c94134afdc9fae1d04a3292c
Diameter
42193890
Circumference
132556014.85038
Area
1.3982634773588E+15
Volume
3.9332116903129E+22
Surface area
5.5930539094351E+15
Circumference
132556014.85038
Perimeter
84387780
Area
445081088333025
Diagonal
29835585.743639
Surface area
2670486529998150
Volume
9.389851241102E+21
Space diagonal
36540980.624486
Perimeter
63290835
Area
1.9272576462021E+14
Altitude
18270490.312243
Surface area
1.9272576462021E+14
Volume
1.1066045811527E+21
Height
9945195.2478798