157445889 is an odd 9-digits composite number following 157445888
and preceding 157445890 . In scientific notation, it is written as 1.57445889 × 10^8.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 103525920 positive integers (up to 157445889) that are relatively prime to 157445889.
157445889 has 8 divisors, whose sum is 212803872
The reverse of 157445889 is 988544751
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
one hundred fifty-seven million four hundred forty-five thousand eight hundred eighty-nine
Scientific notation
1.57445889 × 10^8
Engineering notation
1.57445889 × 10^6
Prime Factorization
3 × 73 × 718931
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157445889
Product of the distinct prime numbers
The prime factorization of 157445889 is 3 × 73 × 718931.
Since it has a total of 3 prime factors.
7 , 2 , 14 , 85 , 183 , 487 , 4756 , 3740 , 98169 , 7533 , 225739 , 594801 , 5094907 , 4294365 , 45715431 , 25590868 , 491439233 , 190684867 , 2562160774 , 4129471121
n×2
314891778
n×3
472337667
n×4
629783556
n×5
787229445
n÷2
78722944.5
n÷3
52481963
n÷3
39361472.25
n÷5
31489177.8
n2
24789207963000321
n3
3.9029588853405E+24
n4
6.1450483143288E+32
n5
9.6751259479745E+40
2 √n
12547.744378971
3 √n
539.97929618839
4 √n
112.01671473031
5 √n
43.593954350677
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157445888
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157445889 can be divided by 8 positive divisors.
The sum of these divisors (counting 157445889) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001011000100110111100000001
3
Ternary
101222021002011020
4
Quaternary
21120212330001
5
Quinary
310301232024
6
Senary
23342340053
8
Octal
1130467401
10
Decimal
157445889
12
Duodecimal
4488a629
16
Hexadecimal
9626f01
20
Vigesimal
2940ee9
36
Base36
2lqm0x
md5
ad59a53db12f2db60cb32783ce930106
sha1
810960da30746a6d5395d992caf00a20759c2f29
sha256
0e61a7d6a2cdea3767cb0a8828200ec3ee48e65b13b04c5d38ec24c8211c04db
sha512
77fb61dd6938aa5aaa04f44b7cb96c45d97c3df7932750c5b3dcc9fa50d31f43ea8bc8cc53c50c64c55c556717602e040aa83ac186407cdfd6941112302f6ae0
ripemd-160
b3a7614f177cd1c056dc0b72c3d5e27eac64127a
Diameter
314891778
Circumference
989261696.44063
Area
7.7877593624871E+16
Volume
1.6348675948598E+25
Surface area
3.1151037449949E+17
Circumference
989261696.44063
Perimeter
629783556
Area
24789207963000321
Diagonal
222662111.56369
Surface area
148735247778001926
Volume
3.9029588853405E+24
Space diagonal
272704279.19085
Perimeter
472337667
Area
1.0734041917827E+16
Altitude
136352139.59542
Surface area
1.0734041917827E+16
Volume
4.5996811575276E+23
Height
74220703.854563