157040905 is an odd 9-digits composite number following 157040904
and preceding 157040906 . In scientific notation, it is written as 1.57040905 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 107685168 positive integers (up to 157040905) that are relatively prime to 157040905.
157040905 has 8 divisors, whose sum is 215370432
The reverse of 157040905 is 509040751
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred fifty-seven million forty thousand nine hundred five
Scientific notation
1.57040905 × 10^8
Engineering notation
1.57040905 × 10^6
Prime Factorization
7 × 5 × 4486883
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157040905
Product of the distinct prime numbers
The prime factorization of 157040905 is 7 × 5 × 4486883.
Since it has a total of 3 prime factors.
2 , 9 , 29 , 84 , 389 , 648 , 1617 , 198 , 77776 , 50474 , 227702 , 72020 , 9995516 , 9971963 , 39932150 , 46844004 , 60709903 , 78399334 , 6514684348 , 3940233371
n×2
314081810
n×3
471122715
n×4
628163620
n×5
785204525
n÷2
78520452.5
n÷3
52346968.333333
n÷3
39260226.25
n÷5
31408181
n2
24661845843219025
n3
3.8729185901896E+24
n4
6.082066403947E+32
n5
9.5513321234593E+40
2 √n
12531.596267036
3 √n
539.51591848523
4 √n
111.9446124967
5 √n
43.571504673512
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
-157040904
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 157040905 can be divided by 8 positive divisors.
The sum of these divisors (counting 157040905) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010111000100000100001001
3
Ternary
101221111111121211
4
Quaternary
21113010010021
5
Quinary
310200302110
6
Senary
23325533121
8
Octal
1127040411
10
Decimal
157040905
12
Duodecimal
447141a1
16
Hexadecimal
95c4109
20
Vigesimal
291a255
36
Base36
2lhxjd
md5
a350d6142536bddb15cc7da1a287429e
sha1
ae79800bb65e3ddd00a32f71f67afa92fd789285
sha256
7ca94d0982a946ab168048100fcc424d9649966f36bf7ccda819e317fe41d68b
sha512
e43bbc825c5cd4ca267909064237e4cd580acbe001407ac04c7a50f5d482879505ea82aa112e41a369b4bf2eda0264936b210295edde6da1585d63b0ec6b3653
ripemd-160
e640d7b03adec781cd9b085c6b5192e873bd6b0d
Diameter
314081810
Circumference
986717106.92219
Area
7.7477473725021E+16
Volume
1.6222843454521E+25
Surface area
3.0990989490008E+17
Circumference
986717106.92219
Perimeter
628163620
Area
24661845843219025
Diagonal
222089377.69834
Surface area
147971075059314150
Volume
3.8729185901896E+24
Space diagonal
272002826.3266
Perimeter
471122715
Area
1.0678892502222E+16
Altitude
136001413.1633
Surface area
1.0678892502222E+16
Volume
4.5642783301775E+23
Height
74029792.566115