157039945 is an odd 9-digits composite number following 157039944
and preceding 157039946 . In scientific notation, it is written as 1.57039945 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 123971904 positive integers (up to 157039945) that are relatively prime to 157039945.
157039945 has 16 divisors, whose sum is 190955520
The reverse of 157039945 is 549930751
Previous prime number is 1109
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred fifty-seven million thirty-nine thousand nine hundred forty-five
Scientific notation
1.57039945 × 10^8
Engineering notation
1.57039945 × 10^6
Prime Factorization
127 × 5 × 1109 × 223
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
157039945
Product of the distinct prime numbers
The prime factorization of 157039945 is 127 × 5 × 1109 × 223.
Since it has a total of 4 prime factors.
1 , 6 , 71 , 27 , 603 , 173 , 3695 , 2329 , 18239 , 69654 , 506472 , 556659 , 8162458 , 9948257 , 56841828 , 99801463 , 336867456 , 319409141 , 4054275708 , 2018530839
n×2
314079890
n×3
471119835
n×4
628159780
n×5
785199725
n÷2
78519972.5
n÷3
52346648.333333
n÷3
39259986.25
n÷5
31407989
n2
24661544325603025
n3
3.8728475645078E+24
n4
6.0819176852368E+32
n5
9.5510401878412E+40
2 √n
12531.557963797
3 √n
539.51481911914
4 √n
111.94444141536
5 √n
43.571451402364
1 , 5 , 127 , 223 , 635 , 1109 , 1115 , 5545 , 28321 , 140843 , 141605 , 247307 , 704215 , 1236535 , 31407989 , 157039945
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
-157039944
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 157039945 can be divided by 16 positive divisors.
The sum of these divisors (counting 157039945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010111000011110101001001
3
Ternary
101221111110022021
4
Quaternary
21113003311021
5
Quinary
310200234240
6
Senary
23325524441
8
Octal
1127036511
10
Decimal
157039945
12
Duodecimal
44713721
16
Hexadecimal
95c3d49
20
Vigesimal
2919jh5
36
Base36
2lhwsp
md5
a85fdf74de6a5c24491fba597090159d
sha1
3bc11e4651b0dc2f6fd9723ae5c0ee3feac61ddf
sha256
c5279c8f829391f269e73a97210c8d0d991cb73ac506e0c7a5086c6fd399f5c9
sha512
f01b6c61b0aeab64294fa30f1756bcd072de0b71151ce34b049287ed722d44e9252dd1afb018fd081da5fbce2bdac624d93527e2f2d234af523bf95c0d8313e6
ripemd-160
83f84a73dd852368fd69845d1ac261e324bedc11
Diameter
314079890
Circumference
986711075.06429
Area
7.7476526479494E+16
Volume
1.6222545942841E+25
Surface area
3.0990610591797E+17
Circumference
986711075.06429
Perimeter
628159780
Area
24661544325603025
Diagonal
222088020.05332
Surface area
147969265953618150
Volume
3.8728475645078E+24
Space diagonal
272001163.55782
Perimeter
471119835
Area
1.0678761941264E+16
Altitude
136000581.77891
Surface area
1.0678761941264E+16
Volume
4.5641946256087E+23
Height
74029340.017775