13361981 is an odd 8-digits composite number following 13361980
and preceding 13361982 . In scientific notation, it is written as 1.3361981 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 6 positive divisors.
There are 13186680 positive integers (up to 13361981) that are relatively prime to 13361981.
13361981 has 6 divisors, whose sum is 13539582
The reverse of 13361981 is 18916331
Previous prime number is 2141
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
thirteen million three hundred sixty-one thousand nine hundred eighty-one
Scientific notation
1.3361981 × 10^7
Engineering notation
1.3361981 × 10^6
Prime Factorization
79 × 2141 × 79
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
169139
Product of the distinct prime numbers
The prime factorization of 13361981 is 79 × 2141 × 79.
Since it has a total of 3 prime factors.
1 , 7 , 6 , 6 , 576 , 107 , 4847 , 8761 , 2153 , 69904 , 769830 , 703604 , 4921592 , 5469165 , 25423439 , 45311043 , 381881072 , 75858453 , 3745904152 , 313993810
n×2
26723962
n×3
40085943
n×4
53447924
n×5
66809905
n÷2
6680990.5
n÷3
4453993.6666667
n÷3
3340495.25
n÷5
2672396.2
n2
178542536244361
n3
2.385681976989E+21
n4
3.1877437248569E+28
n5
4.2594571084407E+35
2 √n
3655.4043551979
3 √n
237.29592663797
4 √n
60.45994008596
5 √n
26.617923341345
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-13361980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 13361981 can be divided by 6 positive divisors.
The sum of these divisors (counting 13361981) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
110010111110001100111101
3
Ternary
221010212012012
4
Quaternary
302332030331
5
Quinary
11410040411
6
Senary
1154221005
8
Octal
62761475
10
Decimal
13361981
12
Duodecimal
4584765
16
Hexadecimal
cbe33d
20
Vigesimal
43a4j1
36
Base36
7ye65
md5
953d9aa81cf733a1dc4f2054bee09198
sha1
0f6c1f1d7f0f6ae5ef5c8569e6a16353b2c353b4
sha256
c601e711e0747e987cd125e6b58c03f3c94832fea6961986f129a2295564917b
sha512
a857021f91fa6f2e97fd6a36b19092b64ded4396495146404d02ab5146c1325958ecf424e2e1067cc8b1ed9e7cc6248802e942295f86732a727c927e76c8f382
ripemd-160
af2dfd456be1c7ec30663fd45ed8a76215a588d1
Diameter
26723962
Circumference
83955802.694013
Area
5.6090792021857E+14
Volume
9.9931212969468E+21
Surface area
2.2436316808743E+15
Circumference
83955802.694013
Perimeter
53447924
Area
178542536244361
Diagonal
18896694.750372
Surface area
1071255217466166
Volume
2.385681976989E+21
Space diagonal
23143629.98177
Perimeter
40085943
Area
77311186021860
Altitude
11571814.990885
Surface area
77311186021860
Volume
2.8115531728057E+20
Height
6298898.2501239