31156961 is an odd 8-digits composite number following 31156960
and preceding 31156962 . In scientific notation, it is written as 3.1156961 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 28149120 positive integers (up to 31156961) that are relatively prime to 31156961.
31156961 has 8 divisors, whose sum is 34199904
The reverse of 31156961 is 16965113
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
thirty-one million one hundred fifty-six thousand nine hundred sixty-one
Scientific notation
3.1156961 × 10^7
Engineering notation
3.1156961 × 10^6
Prime Factorization
163 × 11 × 17377
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
31156961
Product of the distinct prime numbers
The prime factorization of 31156961 is 163 × 11 × 17377.
Since it has a total of 3 prime factors.
7 , 5 , 82 , 46 , 655 , 102 , 2720 , 7318 , 21978 , 7297 , 508716 , 476152 , 30879 , 3443261 , 71168178 , 40060405 , 787505576 , 575540405 , 4355467394 , 3895774624
n×2
62313922
n×3
93470883
n×4
124627844
n×5
155784805
n÷2
15578480.5
n÷3
10385653.666667
n÷3
7789240.25
n÷5
6231392.2
n2
970756218755521
n3
3.0245813648273E+22
n4
9.4236763625252E+29
n5
2.9361311690382E+37
2 √n
5581.8420794573
3 √n
314.66736028666
4 √n
74.71172651905
5 √n
31.529059647806
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
-31156960
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 31156961 can be divided by 8 positive divisors.
The sum of these divisors (counting 31156961) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110110110101011100001
3
Ternary
2011121221022112
4
Quaternary
1312312223201
5
Quinary
30434010321
6
Senary
3031445105
8
Octal
166665341
10
Decimal
31156961
12
Duodecimal
a526795
16
Hexadecimal
1db6ae1
20
Vigesimal
9eec81
36
Base36
ijsv5
md5
f77caad5030ad8da23a41799386424b0
sha1
aa7be6bf17557b07b86be9110ef712e23cbb4b6d
sha256
8f9813b4fd9b7afeeb496e13ed40ba2f663c93763ca5ff45b09096c9e1b3331f
sha512
9dade6cb1819565770c18472ee7e7c4da1621ba158a8e514f94c94c9a9860de5597caa950f74045a064eaa9639b53234c055f4550e7f0576d48c28d98ad9fba7
ripemd-160
f68e2b320c7a592114c3b7a282e52a8266b7e9f6
Diameter
62313922
Circumference
195764959.57157
Area
3.049720605269E+15
Volume
1.2669336794568E+23
Surface area
1.2198882421076E+16
Circumference
195764959.57157
Perimeter
124627844
Area
970756218755521
Diagonal
44062596.80853
Surface area
5824537312533126
Volume
3.0245813648273E+22
Space diagonal
53965439.461442
Perimeter
93470883
Area
4.20349773162E+14
Altitude
26982719.730721
Surface area
4.20349773162E+14
Volume
3.5645033221998E+21
Height
14687532.26951