31376987 is an odd 8-digits prime number following 31376986
and preceding 31376988 . In scientific notation, it is written as 3.1376987 × 10^7.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 31376986 positive integers (up to 31376987) that are relatively prime to 31376987.
31376987 has 2 divisors, whose sum is 31376988
The reverse of 31376987 is 78967313
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
thirty-one million three hundred seventy-six thousand nine hundred eighty-seven
Scientific notation
3.1376987 × 10^7
Engineering notation
3.1376987 × 10^6
Prime Factorization
31376987
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
31376987
Product of the distinct prime numbers
The prime factorization of 31376987 is 31376987.
Since it has a total of 1 prime factors.
5 , 5 , 29 , 5 , 428 , 198 , 2845 , 2291 , 91631 , 62087 , 879292 , 258975 , 105906 , 2198388 , 21418265 , 43311825 , 815345032 , 153600639 , 3640530807 , 4066978448
n×2
62753974
n×3
94130961
n×4
125507948
n×5
156884935
n÷2
15688493.5
n÷3
10458995.666667
n÷3
7844246.75
n÷5
6275397.4
n2
984515313198169
n3
3.089112418352E+22
n4
9.6927040192169E+29
n5
3.0412784800582E+37
2 √n
5601.5164910942
3 √n
315.40633545101
4 √n
74.843279531927
5 √n
31.573465131754
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
31376988
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
15688494
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5601.5165803557
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999936259
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31376987 can be divided by 2 positive divisors.
The sum of these divisors (counting 31376987) is 31376988, the average is 15688494.
Base
System
Value
2
Binary
1110111101100011001011011
3
Ternary
2012001010010122
4
Quaternary
1313230121123
5
Quinary
31013030422
6
Senary
3040303455
8
Octal
167543133
10
Decimal
31376987
12
Duodecimal
a611b8b
16
Hexadecimal
1dec65b
20
Vigesimal
9g2297
36
Base36
ioimz
md5
cc88eabd9936aa8542a8618a30feaabe
sha1
f719d58b9347327de8b1b99cf9377b5d735932cd
sha256
fd5061f3ae3332a2cb7cdc65102e2c3db687dc41659be5ab6a766d67a687c2a1
sha512
4a04d25c4da8afe24f8f1febde64f20d994c5bbe71747006bb77c5c797260b697d99d659f61af0c4f9733a9064b1632852c3a947b526a6f0a1065c49b9c9d027
ripemd-160
5642dc54825987eec049606e25fef55b9498d9ed
Diameter
62753974
Circumference
197147423.70196
Area
3.09294607529E+15
Volume
1.2939643839477E+23
Surface area
1.237178430116E+16
Circumference
197147423.70196
Perimeter
125507948
Area
984515313198169
Diagonal
44373760.561804
Surface area
5907091879189014
Volume
3.089112418352E+22
Space diagonal
54346535.672428
Perimeter
94130961
Area
4.263076358222E+14
Altitude
27173267.836214
Surface area
4.263076358222E+14
Volume
3.6405538981071E+21
Height
14791253.520601