13047981 is an odd 8-digits composite number following 13047980
and preceding 13047982 . In scientific notation, it is written as 1.3047981 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 8662080 positive integers (up to 13047981) that are relatively prime to 13047981.
13047981 has 8 divisors, whose sum is 17470464
The reverse of 13047981 is 18974031
Previous prime number is 241
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
thirteen million forty-seven thousand nine hundred eighty-one
Scientific notation
1.3047981 × 10^7
Engineering notation
1.3047981 × 10^6
Prime Factorization
3 × 241 × 18047
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
13047981
Product of the distinct prime numbers
The prime factorization of 13047981 is 3 × 241 × 18047.
Since it has a total of 3 prime factors.
2 , 9 , 56 , 14 , 476 , 833 , 8270 , 5654 , 23660 , 74026 , 520760 , 841719 , 8710346 , 6422334 , 80369997 , 61497105 , 720229751 , 728763642 , 782667809 , 7885269049
n×2
26095962
n×3
39143943
n×4
52191924
n×5
65239905
n÷2
6523990.5
n÷3
4349327
n÷3
3261995.25
n÷5
2609596.2
n2
170249808176361
n3
2.2214162623388E+21
n4
2.8984997184088E+28
n5
3.7819569254303E+35
2 √n
3612.1989147886
3 √n
235.42239408974
4 √n
60.101571649905
5 √n
26.49162892389
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-13047980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 13047981 can be divided by 8 positive divisors.
The sum of these divisors (counting 13047981) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001110001100010101101
3
Ternary
220112220110120
4
Quaternary
301301202231
5
Quinary
11320013411
6
Senary
1143355153
8
Octal
61614255
10
Decimal
13047981
12
Duodecimal
4452ab9
16
Hexadecimal
c718ad
20
Vigesimal
41ajj1
36
Base36
7rnvx
md5
c4b8cea7c2edfd3ce91411cf4fa94c50
sha1
63f946126aaf8912f745809e0ad72ade33136c0f
sha256
35d4d6dc64c915b06ef62ef2daebbec1e2bde9ba02370b6cdef4a13fe98bc0fc
sha512
ee0d6107c5220780a61b3f55b42713e0230e6db50879ae13b95f8b05cd96b7fe3d8a97c460e0e8146f177506574a17d89f150cac31db42eb18bc109042a31336
ripemd-160
98e36039f4908504c09caca24cb5899bff4ab260
Diameter
26095962
Circumference
81982882.507558
Area
5.3485554664193E+14
Volume
9.305046680438E+21
Surface area
2.1394221865677E+15
Circumference
81982882.507558
Perimeter
52191924
Area
170249808176361
Diagonal
18452631.691786
Surface area
1021498849058166
Volume
2.2214162623388E+21
Space diagonal
22599766.028193
Perimeter
39143943
Area
73720329435078
Altitude
11299883.014097
Surface area
73720329435078
Volume
2.6179641715631E+20
Height
6150877.2305955