157445209 is an odd 9-digits composite number following 157445208
and preceding 157445210 . In scientific notation, it is written as 1.57445209 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 154864080 positive integers (up to 157445209) that are relatively prime to 157445209.
157445209 has 4 divisors, whose sum is 160026340
The reverse of 157445209 is 902544751
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred fifty-seven million four hundred forty-five thousand two hundred nine
Scientific notation
1.57445209 × 10^8
Engineering notation
1.57445209 × 10^6
Prime Factorization
61 × 2581069
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157445209
Product of the distinct prime numbers
The prime factorization of 157445209 is 61 × 2581069.
Since it has a total of 2 prime factors.
6 , 4 , 89 , 86 , 509 , 785 , 6789 , 8369 , 4816 , 95249 , 459107 , 208056 , 6287711 , 9152225 , 82381182 , 20985768 , 847363091 , 781185273 , 8202086491 , 7717534550
n×2
314890418
n×3
472335627
n×4
629780836
n×5
787226045
n÷2
78722604.5
n÷3
52481736.333333
n÷3
39361302.25
n÷5
31489041.8
n2
24788993837053681
n3
3.9029083155746E+24
n4
6.1449421545349E+32
n5
9.6749170181365E+40
2 √n
12547.717282438
3 √n
539.97851880713
4 √n
112.01659378163
5 √n
43.593916694642
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
-157445208
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 157445209 can be divided by 4 positive divisors.
The sum of these divisors (counting 157445209) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011000100110110001011001
3
Ternary
101222021001020001
4
Quaternary
21120212301121
5
Quinary
310301221314
6
Senary
23342333001
8
Octal
1130466131
10
Decimal
157445209
12
Duodecimal
4488a161
16
Hexadecimal
9626c59
20
Vigesimal
2940d09
36
Base36
2lqli1
md5
7132a9683e556ca5e1cfd36b3f4f332f
sha1
72fe0f783fd0316c1c897ca8b9a631a2fac0a8ca
sha256
ca49574df7231c36f1e1dee993f6acfc7c39b9f7cb42e04485194f7ea5cb0ff4
sha512
03f943ee736d5b2aa22baa37870439fd8274b3025265759e201aef78ab3051dfb6b75e6e589ac0ee78517131da43056714e5f6952f64e78b17476e8775428e8c
ripemd-160
8a44433ca3ccde90507355707d4d238788033f2a
Diameter
314890418
Circumference
989257423.87462
Area
7.787692092837E+16
Volume
1.6348464122458E+25
Surface area
3.1150768371348E+17
Circumference
989257423.87462
Perimeter
629780836
Area
24788993837053681
Diagonal
222661149.89847
Surface area
148733963022322086
Volume
3.9029083155746E+24
Space diagonal
272703101.3963
Perimeter
472335627
Area
1.0733949198572E+16
Altitude
136351550.69815
Surface area
1.0733949198572E+16
Volume
4.599621560487E+23
Height
74220383.299489