157438949 is an odd 9-digits prime number following 157438948
and preceding 157438950 . In scientific notation, it is written as 1.57438949 × 10^8.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 157438948 positive integers (up to 157438949) that are relatively prime to 157438949.
157438949 has 2 divisors, whose sum is 157438950
The reverse of 157438949 is 949834751
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred fifty-seven million four hundred thirty-eight thousand nine hundred forty-nine
Scientific notation
1.57438949 × 10^8
Engineering notation
1.57438949 × 10^6
Prime Factorization
157438949
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
157438949
Product of the distinct prime numbers
The prime factorization of 157438949 is 157438949.
Since it has a total of 1 prime factors.
4 , 3 , 7 , 79 , 919 , 522 , 2809 , 3171 , 66279 , 10137 , 234281 , 30763 , 7302444 , 1244015 , 39891998 , 63853857 , 841179057 , 628824773 , 6583214571 , 9206409546
n×2
314877898
n×3
472316847
n×4
629755796
n×5
787194745
n÷2
78719474.5
n÷3
52479649.666667
n÷3
39359737.25
n÷5
31487789.8
n2
24787022662224601
n3
3.9024427967798E+24
n4
6.1439649245764E+32
n5
9.6729938041817E+40
2 √n
12547.467832196
3 √n
539.97136222157
4 √n
112.01548032391
5 √n
43.593570031494
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
157438950
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
78719475
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
12547.467872045
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999872967
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157438949 can be divided by 2 positive divisors.
The sum of these divisors (counting 157438949) is 157438950, the average is 78719475.
Base
System
Value
2
Binary
1001011000100101001111100101
3
Ternary
101222020201122012
4
Quaternary
21120211033211
5
Quinary
310301021244
6
Senary
23342244005
8
Octal
1130451745
10
Decimal
157438949
12
Duodecimal
44886605
16
Hexadecimal
96253e5
20
Vigesimal
293jh79
36
Base36
2lqgo5
md5
3f76233ebd2a959c9e79835fc3537b5f
sha1
c1c4f56e9698eb8832c9be2e674214f924607680
sha256
e79d1e4c29b3b95796a329982b09548111a1a4815ecc481c016cc343880450a5
sha512
e7f2f9d497e6c97e11d818557575977ab9a6d437707e46a4410faa6434474f8f93c356fa717a3aa1d298e8d5478b1872bbd60c831dc98423d828e5482b6d4b4d
ripemd-160
6163c6c2283cdd6ac56bb60ce7cafc2134c22ed5
Diameter
314877898
Circumference
989218091.1346
Area
7.7870728300009E+16
Volume
1.6346514161891E+25
Surface area
3.1148291320003E+17
Circumference
989218091.1346
Perimeter
629755796
Area
24787022662224601
Diagonal
222652296.92157
Surface area
148722135973347606
Volume
3.9024427967798E+24
Space diagonal
272692258.75825
Perimeter
472316847
Area
1.0733095654834E+16
Altitude
136346129.37912
Surface area
1.0733095654834E+16
Volume
4.599072941326E+23
Height
74217432.307189