31386912 is an even 8-digits composite number following 31386911
and preceding 31386913 . In scientific notation, it is written as 3.1386912 × 10^7.
The sum of its digits is 33. It has a total of 7 prime factors and 24 positive divisors.
There are 10462272 positive integers (up to 31386912) that are relatively prime to 31386912.
31386912 has 24 divisors, whose sum is 82390896
The reverse of 31386912 is 21968313
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
thirty-one million three hundred eighty-six thousand nine hundred twelve
Scientific notation
3.1386912 × 10^7
Engineering notation
3.1386912 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 3 × 326947
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1961682
Product of the distinct prime numbers
The prime factorization of 31386912 is 2 × 2 × 2 × 2 × 2 × 3 × 326947.
Since it has a total of 7 prime factors.
9 , 4 , 100 , 88 , 962 , 93 , 5158 , 4481 , 47562 , 57009 , 977766 , 757794 , 1139266 , 8386834 , 77469483 , 44229550 , 532027554 , 987069938 , 2865227596 , 216616955
n×2
62773824
n×3
94160736
n×4
125547648
n×5
156934560
n÷2
15693456
n÷3
10462304
n÷3
7846728
n÷5
6277382.4
n2
985138244895744
n3
3.0920447400377E+22
n4
9.7049736155627E+29
n5
3.0460915283399E+37
2 √n
5602.402341853
3 √n
315.43958782451
4 √n
74.849197336064
5 √n
31.575462308857
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 32 , 48 , 96 , 326947 , 653894 , 980841 , 1307788 , 1961682 , 2615576 , 3923364 , 5231152 , 7846728 , 10462304 , 15693456 , 31386912
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31386911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31386912 can be divided by 24 positive divisors.
The sum of these divisors (counting 31386912) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110111101110110100100000
3
Ternary
2012001121202020
4
Quaternary
1313232310200
5
Quinary
31013340122
6
Senary
3040421440
8
Octal
167566440
10
Decimal
31386912
12
Duodecimal
a617880
16
Hexadecimal
1deed20
20
Vigesimal
9g375c
36
Base36
ioqao
md5
76bc52d32136813d9328221eb733dcd8
sha1
47fca16a10b696b8dbd5a7b5cc5c227c3b862c9c
sha256
11c628efab4bd72f57c4baf73d4ebf113e4988c3c0a81bef9c7ee901a1f3beb3
sha512
af0a705d5b84012b499f8ee5df58245b0836553de306350d9a8db8761a131bb9b7f433ec35de7981d9a91f90bc786d93ff5b2b6e424e73839116a2ef8bffaf4f
ripemd-160
536a7df77f2598a93cab0ade5fc098c0e6e3d6e6
Diameter
62773824
Circumference
197209784.31614
Area
3.0949030729348E+15
Volume
1.2951926719831E+23
Surface area
1.2379612291739E+16
Circumference
197209784.31614
Perimeter
125547648
Area
985138244895744
Diagonal
44387796.631411
Surface area
5910829469374464
Volume
3.0920447400377E+22
Space diagonal
54363726.276693
Perimeter
94160736
Area
4.2657737315966E+14
Altitude
27181863.138347
Surface area
4.2657737315966E+14
Volume
3.6440096723548E+21
Height
14795932.21047