31808899 is an odd 8-digits composite number following 31808898
and preceding 31808900 . In scientific notation, it is written as 3.1808899 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 31579920 positive integers (up to 31808899) that are relatively prime to 31808899.
31808899 has 4 divisors, whose sum is 32037880
The reverse of 31808899 is 99880813
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
thirty-one million eight hundred eight thousand eight hundred ninety-nine
Scientific notation
3.1808899 × 10^7
Engineering notation
3.1808899 × 10^6
Prime Factorization
139 × 228841
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
31808899
Product of the distinct prime numbers
The prime factorization of 31808899 is 139 × 228841.
Since it has a total of 2 prime factors.
1 , 4 , 53 , 54 , 841 , 526 , 8885 , 3925 , 92135 , 11249 , 759466 , 381011 , 3193560 , 1801367 , 14424063 , 62538787 , 930221454 , 694895688 , 867626302 , 7053917554
n×2
63617798
n×3
95426697
n×4
127235596
n×5
159044495
n÷2
15904449.5
n÷3
10602966.333333
n÷3
7952224.75
n÷5
6361779.8
n2
1011806055592201
n3
3.2184436629921E+22
n4
1.023751494133E+30
n5
3.2564407877977E+37
2 √n
5639.9378542675
3 √n
316.84696079576
4 √n
75.099519667356
5 √n
31.659913752608
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31808898
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31808899 can be divided by 4 positive divisors.
The sum of these divisors (counting 31808899) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111001010101110110000011
3
Ternary
2012212001121101
4
Quaternary
1321111312003
5
Quinary
31120341044
6
Senary
3053435231
8
Octal
171256603
10
Decimal
31808899
12
Duodecimal
a79bb17
16
Hexadecimal
1e55d83
20
Vigesimal
9ig24j
36
Base36
ixrwj
md5
dbdeebdb88fb6662bb8f0aeb65013deb
sha1
4bc75233f7a111a07f996b1b8b03248ae1334788
sha256
8816c8fee7aef65dabb9edda6e1e55794911810e462bd20e8b9fd0d5f35e4ce5
sha512
b2e3359831b7bb4e16c9c34944031b5c0ba8409107b63ebadb119428f0dd4ff54385dedd9518ae4e00ba06a90e43835d62510ac4ac6ccdb8f6befaf43418f3a1
ripemd-160
d09095eb1751a63e1658359d881c7b79a76f6e04
Diameter
63617798
Circumference
199861206.83436
Area
3.1786824711061E+15
Volume
1.3481385290198E+23
Surface area
1.2714729884424E+16
Circumference
199861206.83436
Perimeter
127235596
Area
1011806055592201
Diagonal
44984576.369956
Surface area
6070836333553206
Volume
3.2184436629921E+22
Space diagonal
55094629.200827
Perimeter
95426697
Area
4.3812487392289E+14
Altitude
27547314.600413
Surface area
4.3812487392289E+14
Volume
3.7929722316143E+21
Height
14994858.789985