31808900 is an even 8-digits composite number following 31808899
and preceding 31808901 . In scientific notation, it is written as 3.1808900 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors.
There are 12378240 positive integers (up to 31808900) that are relatively prime to 31808900.
31808900 has 24 divisors, whose sum is 59463768
The reverse of 31808900 is 00980813
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
thirty-one million eight hundred eight thousand nine hundred
Scientific notation
3.1808900 × 10^7
Engineering notation
3.1808900 × 10^6
Prime Factorization
2 × 2 × 25 × 37 × 8597
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
15904450
Product of the distinct prime numbers
The prime factorization of 31808900 is 2 × 2 × 25 × 37 × 8597.
Since it has a total of 5 prime factors.
7 , 5 , 10 , 67 , 293 , 914 , 9986 , 1916 , 17721 , 78112 , 545110 , 316709 , 1336813 , 8105435 , 39877282 , 26516873 , 214845460 , 442796554 , 575023589 , 8048565234
n×2
63617800
n×3
95426700
n×4
127235600
n×5
159044500
n÷2
15904450
n÷3
10602966.666667
n÷3
7952225
n÷5
6361780
n2
1011806119210000
n3
3.2184439665339E+22
n4
1.0237516228708E+30
n5
3.2564412996735E+37
2 √n
5639.937942921
3 √n
316.84696411608
4 √n
75.099520257596
5 √n
31.659913951672
1 , 2 , 4 , 25 , 37 , 50 , 74 , 100 , 148 , 925 , 1850 , 3700 , 8597 , 17194 , 34388 , 214925 , 318089 , 429850 , 636178 , 859700 , 1272356 , 7952225 , 15904450 , 31808900
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
-31808899
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 31808900 can be divided by 24 positive divisors.
The sum of these divisors (counting 31808900) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1111001010101110110000100
3
Ternary
2012212001121102
4
Quaternary
1321111312010
5
Quinary
31120341100
6
Senary
3053435232
8
Octal
171256604
10
Decimal
31808900
12
Duodecimal
a79bb18
16
Hexadecimal
1e55d84
20
Vigesimal
9ig250
36
Base36
ixrwk
md5
200c142c0701eab95543038b0d760ac4
sha1
42534daf6c2502151304d78ad06225700d5c8e3b
sha256
e1e5462ed284ca15e7b5c3fb32817ff75c404e218756b4d71156831a38ce65cd
sha512
7f49111580727044b9745cf72c72b7406013aad1b3fa5cc0fb75799eebe1c6d6f888167eaa942db8d3e1c3702f707c23255f14fa3b03c6755380fc9cd8ffd157
ripemd-160
6421d2b9f78b4b668642f6f0d98c98f5bf3e7674
Diameter
63617800
Circumference
199861213.11754
Area
3.1786826709673E+15
Volume
1.3481386561671E+23
Surface area
1.2714730683869E+16
Circumference
199861213.11754
Perimeter
127235600
Area
1011806119210000
Diagonal
44984577.78417
Surface area
6070836715260000
Volume
3.2184439665339E+22
Space diagonal
55094630.932878
Perimeter
95426700
Area
4.381249014702E+14
Altitude
27547315.466439
Surface area
4.381249014702E+14
Volume
3.7929725893417E+21
Height
14994859.26139