13047991 is an odd 8-digits composite number following 13047990
and preceding 13047992 . In scientific notation, it is written as 1.3047991 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 11861800 positive integers (up to 13047991) that are relatively prime to 13047991.
13047991 has 4 divisors, whose sum is 14234184
The reverse of 13047991 is 19974031
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
thirteen million forty-seven thousand nine hundred ninety-one
Scientific notation
1.3047991 × 10^7
Engineering notation
1.3047991 × 10^6
Prime Factorization
11 × 1186181
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
13047991
Product of the distinct prime numbers
The prime factorization of 13047991 is 11 × 1186181.
Since it has a total of 2 prime factors.
6 , 6 , 52 , 10 , 236 , 145 , 865 , 9997 , 18289 , 42583 , 39505 , 908436 , 599006 , 2983977 , 26944864 , 72620489 , 841333447 , 282587940 , 4096916404 , 218993423
n×2
26095982
n×3
39143973
n×4
52191964
n×5
65239955
n÷2
6523995.5
n÷3
4349330.3333333
n÷3
3261997.75
n÷5
2609598.2
n2
170250069136081
n3
2.221421369837E+21
n4
2.898508604084E+28
n5
3.7819714179511E+35
2 √n
3612.2002989868
3 √n
235.42245423246
4 √n
60.101583165394
5 √n
26.491632984537
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
-13047990
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 13047991 can be divided by 4 positive divisors.
The sum of these divisors (counting 13047991) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001110001100010110111
3
Ternary
220112220110221
4
Quaternary
301301202313
5
Quinary
11320013431
6
Senary
1143355211
8
Octal
61614267
10
Decimal
13047991
12
Duodecimal
4452b07
16
Hexadecimal
c718b7
20
Vigesimal
41ajjb
36
Base36
7rnw7
md5
ad1f683c72cc63c8d2b4770b7ea982b4
sha1
355b10610ef3b3fe739b5872711abb5d27aa65cd
sha256
691cd3dd59f5047df78e61016e8757b50e318c8433c29004392f3b34e3dca6e0
sha512
1be121fb74c1848e811ead21f6911abf419e4a3135cfe309077178c44968d6e97da50068ae7a1becb45197eb251531e1d53df625c7062b152c18e1a164223b43
ripemd-160
1170f45f900f5a0633982b410b1496e426e2c07a
Diameter
26095982
Circumference
81982945.339411
Area
5.3485636647107E+14
Volume
9.3050680746762E+21
Surface area
2.1394254658843E+15
Circumference
81982945.339411
Perimeter
52191964
Area
170250069136081
Diagonal
18452645.833922
Surface area
1021500414816486
Volume
2.221421369837E+21
Space diagonal
22599783.348701
Perimeter
39143973
Area
73720442433952
Altitude
11299891.674351
Surface area
73720442433952
Volume
2.6179701908074E+20
Height
6150881.9446407