156728745 is an odd 9-digits composite number following 156728744
and preceding 156728746 . In scientific notation, it is written as 1.56728745 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 81620352 positive integers (up to 156728745) that are relatively prime to 156728745.
156728745 has 16 divisors, whose sum is 164032320
The reverse of 156728745 is 547827651
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred fifty-six million seven hundred twenty-eight thousand seven hundred forty-five
Scientific notation
1.56728745 × 10^8
Engineering notation
1.56728745 × 10^6
Prime Factorization
45 × 67 × 229 × 227
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
156728745
Product of the distinct prime numbers
The prime factorization of 156728745 is 45 × 67 × 229 × 227.
Since it has a total of 4 prime factors.
9 , 5 , 72 , 30 , 843 , 830 , 8327 , 6574 , 63483 , 50834 , 20981 , 418830 , 5370305 , 4140275 , 44676498 , 85056000 , 576028502 , 509278026 , 2502235347 , 6754980152
n×2
313457490
n×3
470186235
n×4
626914980
n×5
783643725
n÷2
78364372.5
n÷3
52242915
n÷3
39182186.25
n÷5
31345749
n2
24563899509275025
n3
3.8498691423948E+24
n4
6.0338515910176E+32
n5
9.4567798737644E+40
2 √n
12519.135153836
3 √n
539.15820488535
4 √n
111.88894115969
5 √n
43.554168924892
1 , 45 , 67 , 227 , 229 , 3015 , 10215 , 10305 , 15209 , 15343 , 51983 , 684405 , 690435 , 2339235 , 3482861 , 156728745
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
-156728744
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 156728745 can be divided by 16 positive divisors.
The sum of these divisors (counting 156728745) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010101110111110110101001
3
Ternary
101220220122102100
4
Quaternary
21111313312221
5
Quinary
310110304440
6
Senary
23315124013
8
Octal
1125676651
10
Decimal
156728745
12
Duodecimal
445a3609
16
Hexadecimal
9577da9
20
Vigesimal
28jb1h5
36
Base36
2lb8o9
md5
f64c958c021121f37f89d3b149ee940b
sha1
d8b053200dc1f4460a1b0842061c751ae8101049
sha256
81e074f483e3e26441f577653b5a62aba8180a50bddcf6168cf289634162f830
sha512
5d2caeeaa2d9e5fefdafb9933a2afa9374b8aae7f090cb54da3620189be9b2d8014e8a2a4a2b1d02da55097439fb24c01746f90887c8bed1ab0e7650a7956a3e
ripemd-160
ad48acbb440fa8a3237fcf60aaa8d71e7251ca17
Diameter
313457490
Circumference
984755747.7967
Area
7.7169766241856E+16
Volume
1.6126294153373E+25
Surface area
3.0867906496743E+17
Circumference
984755747.7967
Perimeter
626914980
Area
24563899509275025
Diagonal
221647916.79271
Surface area
147383397055650150
Volume
3.8498691423948E+24
Space diagonal
271462149.34651
Perimeter
470186235
Area
1.063648049552E+16
Altitude
135731074.67325
Surface area
1.063648049552E+16
Volume
4.537114295447E+23
Height
73882638.930905