31369986 is an even 8-digits composite number following 31369985
and preceding 31369987 . In scientific notation, it is written as 3.1369986 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 10379520 positive integers (up to 31369986) that are relatively prime to 31369986.
31369986 has 16 divisors, whose sum is 52669080
The reverse of 31369986 is 68996313
Previous prime number is 137
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
thirty-one million three hundred sixty-nine thousand nine hundred eighty-six
Scientific notation
3.1369986 × 10^7
Engineering notation
3.1369986 × 10^6
Prime Factorization
2 × 9 × 137 × 12721
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
31369986
Product of the distinct prime numbers
The prime factorization of 31369986 is 2 × 9 × 137 × 12721.
Since it has a total of 4 prime factors.
6 , 10 , 80 , 5 , 535 , 519 , 8291 , 5750 , 4710 , 19273 , 30760 , 466850 , 3710193 , 8618755 , 11195261 , 61905330 , 341584907 , 364618307 , 5874464606 , 8449723754
n×2
62739972
n×3
94109958
n×4
125479944
n×5
156849930
n÷2
15684993
n÷3
10456662
n÷3
7842496.5
n÷5
6273997.2
n2
984076021640196
n3
3.0870451021789E+22
n4
9.684056163672E+29
n5
3.037887062776E+37
2 √n
5600.8915361753
3 √n
315.38287532712
4 √n
74.839104325047
5 √n
31.572056038138
1 , 2 , 9 , 18 , 137 , 274 , 1233 , 2466 , 12721 , 25442 , 114489 , 228978 , 1742777 , 3485554 , 15684993 , 31369986
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
-31369985
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 31369986 can be divided by 16 positive divisors.
The sum of these divisors (counting 31369986) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110111101010101100000010
3
Ternary
2012000202112100
4
Quaternary
1313222230002
5
Quinary
31012314421
6
Senary
3040211230
8
Octal
167525402
10
Decimal
31369986
12
Duodecimal
a609b16
16
Hexadecimal
1deab02
20
Vigesimal
9g14j6
36
Base36
iod8i
md5
f72425a2882386d312c4c62b367e0b29
sha1
5fb84c601c302e5c5b7d0598c8d8c4dd708f10bd
sha256
f8cc3db62e0870779f070bd9084c2d7236e1ee7cfbcc808f2f22b757ab24a9aa
sha512
46412665a7274ed906f3c39748641656ae0be3700dce74bdd911427c1868288ceb226110579ba23f86ba9782173b4fd755e05ace50a3fb477983aea4275ab7e4
ripemd-160
531d925d56203f5eca41a78d0ae86f1eb755af20
Diameter
62739972
Circumference
197103435.12163
Area
3.0915660001587E+15
Volume
1.2930984285741E+23
Surface area
1.2366264000635E+16
Circumference
197103435.12163
Perimeter
125479944
Area
984076021640196
Diagonal
44363859.652654
Surface area
5904456129841176
Volume
3.0870451021789E+22
Space diagonal
54334409.584724
Perimeter
94109958
Area
4.2611741699777E+14
Altitude
27167204.792362
Surface area
4.2611741699777E+14
Volume
3.6381175426323E+21
Height
14787953.217551