12955981 is an odd 8-digits composite number following 12955980
and preceding 12955982 . In scientific notation, it is written as 1.2955981 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 12927772 positive integers (up to 12955981) that are relatively prime to 12955981.
12955981 has 4 divisors, whose sum is 12984192
The reverse of 12955981 is 18955921
Previous prime number is 467
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twelve million nine hundred fifty-five thousand nine hundred eighty-one
Scientific notation
1.2955981 × 10^7
Engineering notation
1.2955981 × 10^6
Prime Factorization
467 × 27743
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12955981
Product of the distinct prime numbers
The prime factorization of 12955981 is 467 × 27743.
Since it has a total of 2 prime factors.
5 , 8 , 29 , 95 , 491 , 914 , 9439 , 8940 , 93603 , 58978 , 159889 , 643691 , 757630 , 2718635 , 11000637 , 95530752 , 402691283 , 80381371 , 8297720032 , 839171482
n×2
25911962
n×3
38867943
n×4
51823924
n×5
64779905
n÷2
6477990.5
n÷3
4318660.3333333
n÷3
3238995.25
n÷5
2591196.2
n2
167857443672361
n3
2.1747578509277E+21
n4
2.817612139622E+28
n5
3.6504929346312E+35
2 √n
3599.4417622737
3 √n
234.8677753224
4 √n
59.995347838592
5 √n
26.45416515152
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
-12955980
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 12955981 can be divided by 4 positive divisors.
The sum of these divisors (counting 12955981) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001011011000101001101
3
Ternary
220101020021011
4
Quaternary
301123011031
5
Quinary
11304042411
6
Senary
1141405221
8
Octal
61330515
10
Decimal
12955981
12
Duodecimal
4409811
16
Hexadecimal
c5b14d
20
Vigesimal
40j9j1
36
Base36
7powd
md5
67df2e7db71a7c94c029086541288ede
sha1
59649bd6b598e1af3d725b1edafd390d57107e78
sha256
67b3c837cc1b0cc91d46da6d16a10d29d830d0a593caa161fb94c1bdd096f855
sha512
a93414c74826046af060b9c08e3a65222acb2954883fa5adc3c98d6d9a871df49c4e6edd60c7a30c9168272bb3599c6d28ba6652c584c3eb21a4cece8314a7ae
ripemd-160
23816d4ea8bc4f482951b5bb989c5f37cd954f67
Diameter
25911962
Circumference
81404829.459298
Area
5.2733971189145E+14
Volume
9.1096043837482E+21
Surface area
2.1093588475658E+15
Circumference
81404829.459298
Perimeter
51823924
Area
167857443672361
Diagonal
18322524.044048
Surface area
1007144662034166
Volume
2.1747578509277E+21
Space diagonal
22440417.353897
Perimeter
38867943
Area
72684405217290
Altitude
11220208.676949
Surface area
72684405217290
Volume
2.5629767063827E+20
Height
6107508.0146827