21874420 is an even 8-digits composite number following 21874419
and preceding 21874421 . In scientific notation, it is written as 2.1874420 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors.
There are 8650752 positive integers (up to 21874420) that are relatively prime to 21874420.
21874420 has 24 divisors, whose sum is 46456200
The reverse of 21874420 is 02447812
Previous prime number is 89
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million eight hundred seventy-four thousand four hundred twenty
Scientific notation
2.1874420 × 10^7
Engineering notation
2.1874420 × 10^6
Prime Factorization
2 × 2 × 5 × 89 × 12289
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10937210
Product of the distinct prime numbers
The prime factorization of 21874420 is 2 × 2 × 5 × 89 × 12289.
Since it has a total of 5 prime factors.
8 , 8 , 98 , 63 , 459 , 844 , 978 , 2127 , 15445 , 79096 , 359401 , 108287 , 9955896 , 1211195 , 58758386 , 34734340 , 503193951 , 46071031 , 7050212705 , 7355399278
n×2
43748840
n×3
65623260
n×4
87497680
n×5
109372100
n÷2
10937210
n÷3
7291473.3333333
n÷3
5468605
n÷5
4374884
n2
478490250336400
n3
1.0466696701764E+22
n4
2.2895291966699E+29
n5
5.008212325022E+36
2 √n
4677.0097284483
3 √n
279.66976372865
4 √n
68.388666666695
5 √n
29.375638109769
1 , 2 , 4 , 5 , 10 , 20 , 89 , 178 , 356 , 445 , 890 , 1780 , 12289 , 24578 , 49156 , 61445 , 122890 , 245780 , 1093721 , 2187442 , 4374884 , 5468605 , 10937210 , 21874420
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21874419
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21874420 can be divided by 24 positive divisors.
The sum of these divisors (counting 21874420) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010011011100011011110100
3
Ternary
1112011100001201
4
Quaternary
1103130123310
5
Quinary
21044440140
6
Senary
2100502244
8
Octal
123343364
10
Decimal
21874420
12
Duodecimal
73aa984
16
Hexadecimal
14dc6f4
20
Vigesimal
6ge610
36
Base36
d0ues
md5
12bb9de6e6d83040ee7c577390638974
sha1
7d038e67be8d57e2638cd76e6ed29f5694b43252
sha256
ae0cc1a9da41d39001e05adf5300d95e8ab358abc424adf15971736672595ec2
sha512
2a44fe8b6193bc0f93947e7495999d90e8976e7a2e4add3950710468ade1a4c5661507171bc712bf1916277b32522b7eaff3e06fb0a8598e1045bc9e7367382e
ripemd-160
c0f8ba3e870fd3f08d16c3e5aef3b43c78d18438
Diameter
43748840
Circumference
137441034.34708
Area
1.5032214552712E+15
Volume
4.3842796620817E+22
Surface area
6.0128858210847E+15
Circumference
137441034.34708
Perimeter
87497680
Area
478490250336400
Diagonal
30935101.433045
Surface area
2870941502018400
Volume
1.0466696701764E+22
Space diagonal
37887606.826101
Perimeter
65623260
Area
2.0719235612725E+14
Altitude
18943803.41305
Surface area
2.0719235612725E+14
Volume
1.23351203574E+21
Height
10311700.477682