31361887 is an odd 8-digits prime number following 31361886
and preceding 31361888 . In scientific notation, it is written as 3.1361887 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 31361886 positive integers (up to 31361887) that are relatively prime to 31361887.
31361887 has 2 divisors, whose sum is 31361888
The reverse of 31361887 is 78816313
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
thirty-one million three hundred sixty-one thousand eight hundred eighty-seven
Scientific notation
3.1361887 × 10^7
Engineering notation
3.1361887 × 10^6
Prime Factorization
31361887
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
31361887
Product of the distinct prime numbers
The prime factorization of 31361887 is 31361887.
Since it has a total of 1 prime factors.
3 , 1 , 89 , 64 , 717 , 940 , 1108 , 8631 , 49843 , 28919 , 842018 , 412830 , 8002946 , 2025131 , 96216639 , 63896264 , 748980056 , 246507081 , 9867824502 , 6284711550
n×2
62723774
n×3
94085661
n×4
125447548
n×5
156809435
n÷2
15680943.5
n÷3
10453962.333333
n÷3
7840471.75
n÷5
6272377.4
n2
983567956200769
n3
3.0846547099189E+22
n4
9.6740592446496E+29
n5
3.0339675286201E+37
2 √n
5600.1684796084
3 √n
315.35573148589
4 √n
74.834273428747
5 √n
31.570425635801
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
31361888
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
15680944
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5600.1685688915
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999362283
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31361887 can be divided by 2 positive divisors.
The sum of these divisors (counting 31361887) is 31361888, the average is 15680944.
Base
System
Value
2
Binary
1110111101000101101011111
3
Ternary
2012000100102101
4
Quaternary
1313220231133
5
Quinary
31012040022
6
Senary
3040105531
8
Octal
167505537
10
Decimal
31361887
12
Duodecimal
a6052a7
16
Hexadecimal
1de8b5f
20
Vigesimal
9g04e7
36
Base36
io6zj
md5
56b9d3d772fcfed538a5c117250f9bc0
sha1
06244d3ad1c8094e36c4120c2992df4cd9e399b8
sha256
8652af399324febc69c115fbb33a2dc647abb8fcab43941a06d34bbc49f076f0
sha512
58ea6086666b6a184e0eae83dbe010b6e387bdbdb82bf7f5772b153b577c569f5e22ef9e6d6bf6ad6e64f1c34cf526d3d1ced795ea8ddc13c0ff71c4be925a30
ripemd-160
9cd64ab366098b2a96c266cb1ce46252144cb83b
Diameter
62723774
Circumference
197052547.60383
Area
3.0899698655067E+15
Volume
1.2920971434057E+23
Surface area
1.2359879462027E+16
Circumference
197052547.60383
Perimeter
125447548
Area
983567956200769
Diagonal
44352405.937012
Surface area
5901407737204614
Volume
3.0846547099189E+22
Space diagonal
54320381.705234
Perimeter
94085661
Area
4.258974182091E+14
Altitude
27160190.852617
Surface area
4.258974182091E+14
Volume
3.6353004383378E+21
Height
14784135.312337