6427981 is an odd 7-digits composite number following 6427980
and preceding 6427982 . In scientific notation, it is written as 6.427981 × 10^6.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 5509692 positive integers (up to 6427981) that are relatively prime to 6427981.
6427981 has 4 divisors, whose sum is 7346272
The reverse of 6427981 is 1897246
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 37
Digital Root 1
Name
six million four hundred twenty-seven thousand nine hundred eighty-one
Scientific notation
6.427981 × 10^6
Engineering notation
6.427981 × 10^6
Prime Factorization
7 × 918283
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
6427981
Product of the distinct prime numbers
The prime factorization of 6427981 is 7 × 918283.
Since it has a total of 2 prime factors.
8 , 10 , 12 , 16 , 486 , 915 , 3657 , 5976 , 77223 , 21321 , 201942 , 107483 , 4826147 , 591262 , 27671570 , 43809658 , 18403073 , 377414196 , 9002315001 , 9846063125
n×2
12855962
n×3
19283943
n×4
25711924
n×5
32139905
n÷2
3213990.5
n÷3
2142660.3333333
n÷3
1606995.25
n÷5
1285596.2
n2
41318939736361
n3
2.6559735956547E+20
n4
1.707254780937E+27
n5
1.0974201294022E+34
2 √n
2535.3463274275
3 √n
185.93373559688
4 √n
50.352222666209
5 √n
22.994020641075
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
-6427980
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 6427981 can be divided by 4 positive divisors.
The sum of these divisors (counting 6427981) is 1, the average is 0.25.
Base
System
Value
2
Binary
11000100001010101001101
3
Ternary
110002120112101
4
Quaternary
120201111031
5
Quinary
3121143411
6
Senary
345435101
8
Octal
30412515
10
Decimal
6427981
12
Duodecimal
219ba91
16
Hexadecimal
62154d
20
Vigesimal
2039j1
36
Base36
3trv1
md5
f4268dd4dee447944d4bfd833908d1f5
sha1
f15bc5b8ffa119f85bc0e14712d7b9eaefb7a5fc
sha256
af3dfbb0ec810746ca6a67f7d980e852ac0f86ec70701b3d97f7dc5014f3c4a2
sha512
7ba46b73ab345ed640e8e4eb9afbe0b236197ea663519b3e3984a374d600d8eb30afebc48da0a4e9767a36a9ed89a9b24a4a344a5bb2b263b2fefd9cbc7d73da
ripemd-160
1478c5f7812f53de005ed94d77ead32870c9e03d
Diameter
12855962
Circumference
40388195.77403
Area
1.2980727752987E+14
Volume
1.112531618165E+21
Surface area
5.1922911011948E+14
Circumference
40388195.77403
Perimeter
25711924
Area
41318939736361
Diagonal
9090537.9088766
Surface area
247913638418166
Volume
2.6559735956547E+20
Space diagonal
11133589.682087
Perimeter
19283943
Area
17891625734563
Altitude
5566794.8410437
Surface area
17891625734563
Volume
3.1300949002331E+19
Height
3030179.3029589