21491141 is an odd 8-digits composite number following 21491140
and preceding 21491142 . In scientific notation, it is written as 2.1491141 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 18369360 positive integers (up to 21491141) that are relatively prime to 21491141.
21491141 has 8 divisors, whose sum is 24630144
The reverse of 21491141 is 14119412
Previous prime number is 373
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million four hundred ninety-one thousand one hundred forty-one
Scientific notation
2.1491141 × 10^7
Engineering notation
2.1491141 × 10^6
Prime Factorization
7 × 373 × 8231
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21491141
Product of the distinct prime numbers
The prime factorization of 21491141 is 7 × 373 × 8231.
Since it has a total of 3 prime factors.
7 , 2 , 92 , 5 , 407 , 41 , 4482 , 9017 , 33206 , 13247 , 879607 , 776394 , 222188 , 5525159 , 80543667 , 10986710 , 635996503 , 542115545 , 2941670861 , 2684313788
n×2
42982282
n×3
64473423
n×4
85964564
n×5
107455705
n÷2
10745570.5
n÷3
7163713.6666667
n÷3
5372785.25
n÷5
4298228.2
n2
461869141481881
n3
9.9260948431361E+21
n4
2.1332310385321E+29
n5
4.584556903467E+36
2 √n
4635.8538587837
3 √n
278.02669119017
4 √n
68.0871049376
5 √n
29.271966179662
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
-21491140
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 21491141 can be divided by 8 positive divisors.
The sum of these divisors (counting 21491141) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111110110111000101
3
Ternary
1111102212022012
4
Quaternary
1101332313011
5
Quinary
21000204031
6
Senary
2044344005
8
Octal
121766705
10
Decimal
21491141
12
Duodecimal
7245005
16
Hexadecimal
147edc5
20
Vigesimal
6e67h1
36
Base36
csmo5
md5
543d4122b507aa1fe9efcf50f02be72c
sha1
abf245c5b536dc56a7732546e6c1304418a938ed
sha256
e0b269c018e7b39d954703d11e7b556f25b07bc1a1dd5db0ff9a52432a477841
sha512
a146f727d44d88105b5e91f595771716fa0f44ba3b21e9f72d00c1b67fb8d37c1b9c890f2360ce37081114ed3e259c83c495cc32e42f4e8dad3dbdc720f19800
ripemd-160
b66c8d802aab6faa4b7f34157e96e109bb4aee22
Diameter
42982282
Circumference
135032821.36572
Area
1.4510047017993E+15
Volume
4.1578328850709E+22
Surface area
5.8040188071972E+15
Circumference
135032821.36572
Perimeter
85964564
Area
461869141481881
Diagonal
30393063.073072
Surface area
2771214848891286
Volume
9.9260948431361E+21
Space diagonal
37223748.124627
Perimeter
64473423
Area
1.9999520487371E+14
Altitude
18611874.062313
Surface area
1.9999520487371E+14
Volume
1.1698014957137E+21
Height
10131021.024357