21761641 is an odd 8-digits composite number following 21761640
and preceding 21761642 . In scientific notation, it is written as 2.1761641 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 19206720 positive integers (up to 21761641) that are relatively prime to 21761641.
21761641 has 16 divisors, whose sum is 24442560
The reverse of 21761641 is 14616712
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million seven hundred sixty-one thousand six hundred forty-one
Scientific notation
2.1761641 × 10^7
Engineering notation
2.1761641 × 10^6
Prime Factorization
11 × 229 × 163 × 53
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21761641
Product of the distinct prime numbers
The prime factorization of 21761641 is 11 × 229 × 163 × 53.
Since it has a total of 4 prime factors.
10 , 4 , 48 , 100 , 152 , 195 , 2175 , 6307 , 99204 , 18869 , 765932 , 478249 , 6528230 , 7967962 , 60183331 , 14943680 , 868847986 , 597463046 , 9217751857 , 8801811210
n×2
43523282
n×3
65284923
n×4
87046564
n×5
108808205
n÷2
10880820.5
n÷3
7253880.3333333
n÷3
5440410.25
n÷5
4352328.2
n2
473569019012881
n3
1.030563898048E+22
n4
2.2426761576882E+29
n5
4.8804313422871E+36
2 √n
4664.9374057966
3 √n
279.18829972206
4 √n
68.300347040089
5 √n
29.345284769135
1 , 11 , 53 , 163 , 229 , 583 , 1793 , 2519 , 8639 , 12137 , 37327 , 95029 , 133507 , 410597 , 1978331 , 21761641
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
-21761640
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 21761641 can be divided by 16 positive divisors.
The sum of these divisors (counting 21761641) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011000000111001101001
3
Ternary
1111221121100201
4
Quaternary
1103000321221
5
Quinary
21032333031
6
Senary
2054232201
8
Octal
123007151
10
Decimal
21761641
12
Duodecimal
7355661
16
Hexadecimal
14c0e69
20
Vigesimal
6g0421
36
Base36
cyfe1
md5
abc9b60d7e14efd0d4686067e8db542d
sha1
4e3fc33aa230bef77365ff0d82ad452d7cf35525
sha256
f0ce909efd5888c3435416ddb41c238b5bff1f99e0a0fdb0de46669f6eefd7e5
sha512
60ddd73170c77cb439cb629b08d90ef8fc367fd63a12d1fe91182ab1900459dc408ee4f18d8dc34796c767409b3f5952c86596ab6e8815316965205e449a7e2b
ripemd-160
715ff8447e71d545c1614974244c951efc2cf314
Diameter
43523282
Circumference
136732422.99132
Area
1.4877609510986E+15
Volume
4.3168159615501E+22
Surface area
5.9510438043944E+15
Circumference
136732422.99132
Perimeter
87046564
Area
473569019012881
Diagonal
30775607.841694
Surface area
2841414114077286
Volume
1.030563898048E+22
Space diagonal
37692267.868074
Perimeter
65284923
Area
2.0506140045522E+14
Altitude
18846133.934037
Surface area
2.0506140045522E+14
Volume
1.2145312012597E+21
Height
10258535.947231