21438049 is an odd 8-digits prime number following 21438048
and preceding 21438050 . In scientific notation, it is written as 2.1438049 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 21438048 positive integers (up to 21438049) that are relatively prime to 21438049.
21438049 has 2 divisors, whose sum is 21438050
The reverse of 21438049 is 94083412
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million four hundred thirty-eight thousand forty-nine
Scientific notation
2.1438049 × 10^7
Engineering notation
2.1438049 × 10^6
Prime Factorization
21438049
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21438049
Product of the distinct prime numbers
The prime factorization of 21438049 is 21438049.
Since it has a total of 1 prime factors.
1 , 6 , 47 , 76 , 315 , 535 , 877 , 5689 , 43888 , 14066 , 983393 , 778767 , 8301775 , 492816 , 75500525 , 27300784 , 365550456 , 829694383 , 4189291290 , 4220268503
n×2
42876098
n×3
64314147
n×4
85752196
n×5
107190245
n÷2
10719024.5
n÷3
7146016.3333333
n÷3
5359512.25
n÷5
4287609.8
n2
459589944926401
n3
9.8527117592395E+21
n4
2.1122291747745E+29
n5
4.5282072548046E+36
2 √n
4630.1240804108
3 √n
277.79755545699
4 √n
68.045015103318
5 √n
29.257489096071
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21438050
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10719025
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4630.1241883993
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999067079
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21438049 can be divided by 2 positive divisors.
The sum of these divisors (counting 21438049) is 21438050, the average is 10719025.
Base
System
Value
2
Binary
1010001110001111001100001
3
Ternary
1111100011110211
4
Quaternary
1101301321201
5
Quinary
20442004144
6
Senary
2043254121
8
Octal
121617141
10
Decimal
21438049
12
Duodecimal
721a341
16
Hexadecimal
1471e61
20
Vigesimal
6djf29
36
Base36
crhpd
md5
57753e7dca9aef790f90cb3df96c5b5c
sha1
ce328b7fb01bf236eff6c8e3e78e75192eb88520
sha256
296b094c5d0428203b9442e4fc96dbbfd03091396b8bbc10f548b0122ec3d9aa
sha512
e1526bee4e06443ba1cb6e121d0d48ba681f4429ac59f5f29d220acd6401805f0273b40187d3aabc33d10c6f5161f2622edf7b4a8212ba3560dbbff9105e14fd
ripemd-160
458454b30c546b627034320262d1726514c88dba
Diameter
42876098
Circumference
134699234.4914
Area
1.4438443946445E+15
Volume
4.1270942507686E+22
Surface area
5.7753775785781E+15
Circumference
134699234.4914
Perimeter
85752196
Area
459589944926401
Diagonal
30317979.646619
Surface area
2757539669558406
Volume
9.8527117592395E+21
Space diagonal
37131790.083151
Perimeter
64314147
Area
1.9900828381508E+14
Altitude
18565895.041576
Surface area
1.9900828381508E+14
Volume
1.1611532163391E+21
Height
10105993.21554