156961 is an odd 6-digits composite number following 156960
and preceding 156962 . In scientific notation, it is written as 1.56961 × 10^5.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 126528 positive integers (up to 156961) that are relatively prime to 156961.
156961 has 8 divisors, whose sum is 190080
The reverse of 156961 is 169651
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 28
Digital Root 1
Name
one hundred fifty-six thousand nine hundred sixty-one
Scientific notation
1.56961 × 10^5
Engineering notation
1.56961 × 10^3
Prime Factorization
17 × 7 × 1319
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
156961
Product of the distinct prime numbers
The prime factorization of 156961 is 17 × 7 × 1319.
Since it has a total of 3 prime factors.
1 , 5 , 82 , 73 , 234 , 522 , 1297 , 1044 , 81502 , 95264 , 366162 , 852406 , 2946658 , 6779398 , 8660223 , 84994607 , 830411228 , 126086330 , 6018829247 , 769036238
n×2
313922
n×3
470883
n×4
627844
n×5
784805
n÷2
78480.5
n÷3
52320.333333333
n÷3
39240.25
n÷5
31392.2
n2
24636755521
n3
3867009783331681
n4
6.0696972260152E+20
n5
9.5270574629258E+25
2 √n
396.18303850619
3 √n
53.942439809817
4 √n
19.904347226327
5 √n
10.94355314684
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
-156960
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 156961 can be divided by 8 positive divisors.
The sum of these divisors (counting 156961) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110010100100001
3
Ternary
21222022101
4
Quaternary
212110201
5
Quinary
20010321
6
Senary
3210401
8
Octal
462441
10
Decimal
156961
12
Duodecimal
76a01
16
Hexadecimal
26521
20
Vigesimal
jc81
36
Base36
3d41
md5
46a0e9dc0cbe4f4af9458d9007d2bb4b
sha1
2ac17189b9d3c3a2f590d6efc2afc09764db9e60
sha256
fa22091e2b38a7220cbe39eac6aafbdcb537ce52cf68b5f1911f6d98d202cba5
sha512
026c692da5ab4b55e2cbe390f764a6076e216f22572e0e201271d70de3633ab14a17c4f748faaa555e8a2b8486ac40c9fca45067745efe2f39c1a16f54be5e08
ripemd-160
c0e57bdc8ceb067f886a5a4812c4314166b051b9
Diameter
313922
Circumference
986215.04900022
Area
77398650153.061
Volume
1.6198092702233E+16
Surface area
309594600612.25
Circumference
986215.04900022
Perimeter
627844
Area
24636755521
Diagonal
221976.37496364
Surface area
147820533126
Volume
3867009783331681
Space diagonal
271864.42680682
Perimeter
470883
Area
10668028074.006
Altitude
135932.21340341
Surface area
10668028074.006
Volume
4.5573147345143E+14
Height
73992.124987881