20157889 is an odd 8-digits prime number following 20157888
and preceding 20157890 . In scientific notation, it is written as 2.0157889 × 10^7.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 20157888 positive integers (up to 20157889) that are relatively prime to 20157889.
20157889 has 2 divisors, whose sum is 20157890
The reverse of 20157889 is 98875102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million one hundred fifty-seven thousand eight hundred eighty-nine
Scientific notation
2.0157889 × 10^7
Engineering notation
2.0157889 × 10^6
Prime Factorization
20157889
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20157889
Product of the distinct prime numbers
The prime factorization of 20157889 is 20157889.
Since it has a total of 1 prime factors.
3 , 5 , 88 , 49 , 392 , 508 , 7154 , 7975 , 33981 , 94773 , 817856 , 805833 , 9238405 , 3657208 , 78088466 , 3962724 , 407505969 , 504275147 , 7640633484 , 9005944652
n×2
40315778
n×3
60473667
n×4
80631556
n×5
100789445
n÷2
10078944.5
n÷3
6719296.3333333
n÷3
5039472.25
n÷5
4031577.8
n2
406340488936321
n3
8.1909664721841E+21
n4
1.6511259294901E+29
n5
3.3283213211683E+36
2 √n
4489.7537794405
3 √n
272.15418467793
4 √n
67.005624983582
5 √n
28.89941222501
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20157890
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10078945
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4489.7538908052
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999007833
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20157889 can be divided by 2 positive divisors.
The sum of these divisors (counting 20157889) is 20157890, the average is 10078945.
Base
System
Value
2
Binary
1001100111001010111000001
3
Ternary
1101221010102111
4
Quaternary
1030321113001
5
Quinary
20130023024
6
Senary
2000015321
8
Octal
114712701
10
Decimal
20157889
12
Duodecimal
6901541
16
Hexadecimal
13395c1
20
Vigesimal
65jee9
36
Base36
c01xd
md5
c821a0328700eb3fd7f36981650e9042
sha1
ea3fa19bd4bc590d76fb57c6af8ced4f228d8765
sha256
9056208abd34950514e7f58563811c3f943cb118810876cbbd7cf579ab6dce09
sha512
1408dad39ef3ab680dbc3cc707661c3d0201205b7085b655e54741035ad944713acb7619488988a21746f2edca94a5f9e453b429a2bb3a4d958f7341fe9b1157
ripemd-160
8b8e111419f3af0e016ef68ca1b85aa67a4e458f
Diameter
40315778
Circumference
126655751.98856
Area
1.2765562948984E+15
Volume
3.4310240126418E+22
Surface area
5.1062251795937E+15
Circumference
126655751.98856
Perimeter
80631556
Area
406340488936321
Diagonal
28507560.012611
Surface area
2438042933617926
Volume
8.1909664721841E+21
Space diagonal
34914487.921334
Perimeter
60473667
Area
1.7595059300252E+14
Altitude
17457243.960667
Surface area
1.7595059300252E+14
Volume
9.6531465615884E+20
Height
9502520.0042038