131749257 is an odd 9-digits composite number following 131749256
and preceding 131749258 . In scientific notation, it is written as 1.31749257 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 86713872 positive integers (up to 131749257) that are relatively prime to 131749257.
131749257 has 16 divisors, whose sum is 177914880
The reverse of 131749257 is 752947131
Previous prime number is 659
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred thirty-one million seven hundred forty-nine thousand two hundred fifty-seven
Scientific notation
1.31749257 × 10^8
Engineering notation
1.31749257 × 10^6
Prime Factorization
3 × 103 × 659 × 647
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
131749257
Product of the distinct prime numbers
The prime factorization of 131749257 is 3 × 103 × 659 × 647.
Since it has a total of 4 prime factors.
5 , 5 , 54 , 54 , 906 , 784 , 4708 , 5747 , 89262 , 18009 , 32940 , 307836 , 5010190 , 4891197 , 76469725 , 42565641 , 243485905 , 304033601 , 5066207803 , 2348715746
n×2
263498514
n×3
395247771
n×4
526997028
n×5
658746285
n÷2
65874628.5
n÷3
43916419
n÷3
32937314.25
n÷5
26349851.4
n2
17357866720052049
n3
2.2868860434719E+24
n4
3.0129553707109E+32
n5
3.9695463146532E+40
2 √n
11478.207917615
3 √n
508.84173515365
4 √n
107.13639865898
5 √n
42.067783961285
1 , 3 , 103 , 309 , 647 , 659 , 1941 , 1977 , 66641 , 67877 , 199923 , 203631 , 426373 , 1279119 , 43916419 , 131749257
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
-131749256
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 131749257 can be divided by 16 positive divisors.
The sum of these divisors (counting 131749257) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111110110100101010110001001
3
Ternary
100011220120000010
4
Quaternary
13312211112021
5
Quinary
232211434012
6
Senary
21023502133
8
Octal
766452611
10
Decimal
131749257
12
Duodecimal
38157949
16
Hexadecimal
7da5589
20
Vigesimal
2138d2h
36
Base36
26fudl
md5
9f04b2189d505c2b4d9ae4a022721afd
sha1
fbbf7471b97f2b64ceac5c83b54266eb5f5424a5
sha256
3a310a27150774bf6e57b2f23da66af89290aa0543c5530126c0f16ef755a528
sha512
6b9c50345cb0f2aa951e71d636c80b13e72d341e63cd8c8c6114f9f1b959f74389d536fb65eafaf95c67c330b9ac6a686835602cb7c435d7013f770f9882c16d
ripemd-160
1fdde053e4554947c185671a5eadfec342ffb0e5
Diameter
263498514
Circumference
827804995.81423
Area
5.4531346569706E+16
Volume
9.5792858583577E+24
Surface area
2.1812538627883E+17
Circumference
827804995.81423
Perimeter
526997028
Area
17357866720052049
Diagonal
186321586.08198
Surface area
104147200320312294
Volume
2.2868860434719E+24
Space diagonal
228196406.98345
Perimeter
395247771
Area
7.5161767675348E+15
Altitude
114098203.49172
Surface area
7.5161767675348E+15
Volume
2.6951210485664E+23
Height
62107195.360659