157420689 is an odd 9-digits composite number following 157420688
and preceding 157420690 . In scientific notation, it is written as 1.57420689 × 10^8.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 102387360 positive integers (up to 157420689) that are relatively prime to 157420689.
157420689 has 4 divisors, whose sum is 158700656
The reverse of 157420689 is 986024751
Previous prime number is 123
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred fifty-seven million four hundred twenty thousand six hundred eighty-nine
Scientific notation
1.57420689 × 10^8
Engineering notation
1.57420689 × 10^6
Prime Factorization
123 × 1279843
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157420689
Product of the distinct prime numbers
The prime factorization of 157420689 is 123 × 1279843.
Since it has a total of 2 prime factors.
1 , 4 , 14 , 59 , 112 , 337 , 986 , 2225 , 91124 , 99377 , 327579 , 125521 , 2626128 , 6076103 , 74894652 , 69199552 , 719040074 , 742106962 , 7725721675 , 4897583667
n×2
314841378
n×3
472262067
n×4
629682756
n×5
787103445
n÷2
78710344.5
n÷3
52473563
n÷3
39355172.25
n÷5
31484137.8
n2
24781273325234721
n3
3.9010851211558E+24
n4
6.1411150761999E+32
n5
9.6673856652368E+40
2 √n
12546.740174244
3 √n
539.95048585785
4 √n
112.01223225275
5 √n
43.592558775352
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157420688
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157420689 can be divided by 4 positive divisors.
The sum of these divisors (counting 157420689) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011000100000110010010001
3
Ternary
101222012210120220
4
Quaternary
21120200302101
5
Quinary
310244430224
6
Senary
23342023253
8
Octal
1130406221
10
Decimal
157420689
12
Duodecimal
44877b29
16
Hexadecimal
9620c91
20
Vigesimal
293hbe9
36
Base36
2lq2kx
md5
67101310daa280faa9890568f056fedf
sha1
daa71b05bd75b1a2c5a3d3027070ff694d0b90ee
sha256
48755ddd099a370287e1e533e455843513988566619be0be5bc65cd2ead689db
sha512
2f70518bb51e6ac1b916afcd294fba659e62214add7290afa90413c97399d963a6458c59f699ff21e5b90295db2f7bd2a10eac34c25c1d57fd63dbc6cd452b4b
ripemd-160
0eabd37d608cc2b5e5c2e9c7f1b98d4903e15191
Diameter
314841378
Circumference
989103360.17089
Area
7.7852666225158E+16
Volume
1.6340827143535E+25
Surface area
3.1141066490063E+17
Circumference
989103360.17089
Perimeter
629682756
Area
24781273325234721
Diagonal
222626473.38192
Surface area
148687639951408326
Volume
3.9010851211558E+24
Space diagonal
272660631.5105
Perimeter
472262067
Area
1.0730606118889E+16
Altitude
136330315.75525
Surface area
1.0730606118889E+16
Volume
4.5974729052587E+23
Height
74208824.460639