21874492 is an even 8-digits composite number following 21874491
and preceding 21874493 . In scientific notation, it is written as 2.1874492 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 10911456 positive integers (up to 21874492) that are relatively prime to 21874492.
21874492 has 12 divisors, whose sum is 38370640
The reverse of 21874492 is 29447812
Previous prime number is 439
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million eight hundred seventy-four thousand four hundred ninety-two
Scientific notation
2.1874492 × 10^7
Engineering notation
2.1874492 × 10^6
Prime Factorization
2 × 2 × 439 × 12457
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10937246
Product of the distinct prime numbers
The prime factorization of 21874492 is 2 × 2 × 439 × 12457.
Since it has a total of 4 prime factors.
10 , 6 , 31 , 81 , 663 , 791 , 7666 , 8823 , 46132 , 37524 , 292923 , 449731 , 1255644 , 2021569 , 17894105 , 54348422 , 333706316 , 366399475 , 93369296 , 7045942849
n×2
43748984
n×3
65623476
n×4
87497968
n×5
109372460
n÷2
10937246
n÷3
7291497.3333333
n÷3
5468623
n÷5
4374898.4
n2
478493400258064
n3
1.0466800055998E+22
n4
2.2895593409052E+29
n5
5.0082947486157E+36
2 √n
4677.0174256678
3 √n
279.67007057413
4 √n
68.38872294222
5 √n
29.375657447819
1 , 2 , 4 , 439 , 878 , 1756 , 12457 , 24914 , 49828 , 5468623 , 10937246 , 21874492
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
-21874491
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 21874492 can be divided by 12 positive divisors.
The sum of these divisors (counting 21874492) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010011011100011100111100
3
Ternary
1112011100011101
4
Quaternary
1103130130330
5
Quinary
21044440432
6
Senary
2100502444
8
Octal
123343474
10
Decimal
21874492
12
Duodecimal
73aaa24
16
Hexadecimal
14dc73c
20
Vigesimal
6ge64c
36
Base36
d0ugs
md5
547f2c8fe85306e66242a8fd504968a1
sha1
d871d0efd100005fb4d8dce504efda69ac956962
sha256
1d31b6d79a25f860e32b32ea306aa359708513a5b8079b50d1301c748ea2d436
sha512
f7fe5e6b23c931b759903986cf93feb2b28b8e624717dc19d0dadeb7f8cc0d1db29a5335b7c1626c9ece6a1bf213349c43f8b1cfec2dcaca262fe5e7bf8fc640
ripemd-160
4d0547e48893147563d66089119d6d54e14357f2
Diameter
43748984
Circumference
137441486.73642
Area
1.5032313510419E+15
Volume
4.3843229550021E+22
Surface area
6.0129254041677E+15
Circumference
137441486.73642
Perimeter
87497968
Area
478493400258064
Diagonal
30935203.256422
Surface area
2870960401548384
Volume
1.0466800055998E+22
Space diagonal
37887731.533759
Perimeter
65623476
Area
2.0719372008334E+14
Altitude
18943865.766879
Surface area
2.0719372008334E+14
Volume
1.2335242161533E+21
Height
10311734.418807