21874491 is an odd 8-digits composite number following 21874490
and preceding 21874492 . In scientific notation, it is written as 2.1874491 × 10^7.
The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors.
There are 13815360 positive integers (up to 21874491) that are relatively prime to 21874491.
21874491 has 4 divisors, whose sum is 22002584
The reverse of 21874491 is 19447812
Previous prime number is 171
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million eight hundred seventy-four thousand four hundred ninety-one
Scientific notation
2.1874491 × 10^7
Engineering notation
2.1874491 × 10^6
Prime Factorization
171 × 127921
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21874491
Product of the distinct prime numbers
The prime factorization of 21874491 is 171 × 127921.
Since it has a total of 2 prime factors.
5 , 2 , 76 , 88 , 319 , 170 , 1424 , 7029 , 77958 , 71550 , 554240 , 95991 , 8596980 , 56885 , 24228322 , 57397993 , 974207318 , 179288042 , 6113409068 , 3612224704
n×2
43748982
n×3
65623473
n×4
87497964
n×5
109372455
n÷2
10937245.5
n÷3
7291497
n÷3
5468622.75
n÷5
4374898.2
n2
478493356509081
n3
1.0466798620518E+22
n4
2.2895589222333E+29
n5
5.0082936038361E+36
2 √n
4677.017318762
3 √n
279.67006631239
4 √n
68.388722160617
5 √n
29.375657179236
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21874490
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21874491 can be divided by 4 positive divisors.
The sum of these divisors (counting 21874491) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011011100011100111011
3
Ternary
1112011100011100
4
Quaternary
1103130130323
5
Quinary
21044440431
6
Senary
2100502443
8
Octal
123343473
10
Decimal
21874491
12
Duodecimal
73aaa23
16
Hexadecimal
14dc73b
20
Vigesimal
6ge64b
36
Base36
d0ugr
md5
d903e32243a2168b96defd7ed5f31b6f
sha1
8279311ddef4f90d2d5316288600dbca38950cf8
sha256
69d94703354d5fa612ad0d9c971feb049e97d575a35a3a2008892833d4a38c0a
sha512
31a65d45fb0aec1449eb9f3375658adcec14afa481bf70beb700da99c7a1c3974c189ed8c6e650fc9ec72489d841eb8e45a357092382b87e0dd8833f67514edc
ripemd-160
068f225531048c8638a5597ceb0a31204621b1bf
Diameter
43748982
Circumference
137441480.45323
Area
1.5032312136005E+15
Volume
4.3843223537096E+22
Surface area
6.0129248544018E+15
Circumference
137441480.45323
Perimeter
87497964
Area
478493356509081
Diagonal
30935201.842208
Surface area
2870960139054486
Volume
1.0466798620518E+22
Space diagonal
37887729.801708
Perimeter
65623473
Area
2.0719370113947E+14
Altitude
18943864.900854
Surface area
2.0719370113947E+14
Volume
1.2335240469803E+21
Height
10311733.947403