157445890 is an even 9-digits composite number following 157445889
and preceding 157445891 . In scientific notation, it is written as 1.57445890 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 53981424 positive integers (up to 157445890) that are relatively prime to 157445890.
157445890 has 16 divisors, whose sum is 323888832
The reverse of 157445890 is 098544751
Previous prime number is 5
Is Prime? no Number parity even Number length 9 Sum of Digits 43 Digital Root 7
Name
one hundred fifty-seven million four hundred forty-five thousand eight hundred ninety
Scientific notation
1.57445890 × 10^8
Engineering notation
1.57445890 × 10^6
Prime Factorization
2 × 7 × 5 × 2249227
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
157445890 Product of the distinct prime numbers
The prime factorization of 157445890 is 2 × 7 × 5 × 2249227.
Since it has a total of 4 prime factors.
2 , 2 , 39 , 17 , 533 , 427 , 682 , 6155 , 95844 , 90819 , 864062 , 650858 , 9263123 , 6397410 , 41107068 , 45015585 , 819842835 , 387034948 , 8969347738 , 5005025111
n×2
314891780
n×3
472337670
n×4
629783560
n×5
787229450
n÷2
78722945
n÷3
52481963.333333
n÷3
39361472.5
n÷5
31489178
n2
24789208277892100
n3
3.9029589597081E+24
n4
6.1450484704471E+32
n5
9.6751262552269E+40
2 √n12547.744418819
3 √n539.97929733159
4 √n112.01671490817
5 √n43.593954406054
1 , 2 , 5 , 7 , 10 , 14 , 35 , 70 , 2249227 , 4498454 , 11246135 , 15744589 , 22492270 , 31489178 , 78722945 , 157445890
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-157445889 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 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
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157445890 can be divided by 16 positive divisors.
The sum of these divisors (counting 157445890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001011000100110111100000010
3
Ternary
101222021002011021
4
Quaternary
21120212330002
5
Quinary
310301232030
6
Senary
23342340054
8
Octal
1130467402
10
Decimal
157445890
12
Duodecimal
4488a62a
16
Hexadecimal
9626f02
20
Vigesimal
2940eea
36
Base36
2lqm0y
md5
5231fce8a93aa7e41dfc0ecbeea390cd
sha1
632cba67da045de09393e8ec0420bac166fb0052
sha256
977ba34dc3ccef5df34abfb62679fa199037181389eb0f258894636837aaac05
sha512
ff3ca98ddcf25272a656745b5bfa73a7fa9a6d292f8f4e9722278afeb303e7d3b32de341d6ea74b447cd3348a5ca6d0f3278edd1537eef0935519188280ca737
ripemd-160
b9ec88c30c8aaefecd9e898f6e4e43705db04cb7
Diameter
314891780
Circumference
989261702.72381
Area
7.7877594614133E+16
Volume
1.6348676260109E+25
Surface area
3.1151037845653E+17
Circumference
989261702.72381
Perimeter
629783560
Area
24789208277892100
Diagonal
222662112.9779
Surface area
148735249667352600
Volume
3.9029589597081E+24
Space diagonal
272704280.9229
Perimeter
472337670
Area
1.0734042054179E+16
Altitude
136352140.46145
Surface area
1.0734042054179E+16
Volume
4.5996812451706E+23
Height
74220704.325967