65481808 is an even 8-digits composite number following 65481807
and preceding 65481809 . In scientific notation, it is written as 6.5481808 × 10^7.
The sum of its digits is 40. It has a total of 6 prime factors and 20 positive divisors.
There are 28063584 positive integers (up to 65481808) that are relatively prime to 65481808.
65481808 has 20 divisors, whose sum is 144995680
The reverse of 65481808 is 80818456
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-five million four hundred eighty-one thousand eight hundred eight
Scientific notation
6.5481808 × 10^7
Engineering notation
6.5481808 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 7 × 584659
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
8185226
Product of the distinct prime numbers
The prime factorization of 65481808 is 2 × 2 × 2 × 2 × 7 × 584659.
Since it has a total of 6 prime factors.
10 , 2 , 12 , 25 , 967 , 896 , 242 , 5711 , 47883 , 3840 , 376519 , 112968 , 1653071 , 1866523 , 8574172 , 92235256 , 113331004 , 787597152 , 7715113484 , 9246478647
n×2
130963616
n×3
196445424
n×4
261927232
n×5
327409040
n÷2
32740904
n÷3
21827269.333333
n÷3
16370452
n÷5
13096361.6
n2
4287867178948864
n3
2.8077729534143E+23
n4
1.8385804944307E+31
n5
1.2039357492886E+39
2 √n
8092.0830445566
3 √n
403.06357634742
4 √n
89.95600616166
5 √n
36.578351791766
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 56 , 112 , 584659 , 1169318 , 2338636 , 4092613 , 4677272 , 8185226 , 9354544 , 16370452 , 32740904 , 65481808
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-65481807
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 65481808 can be divided by 20 positive divisors.
The sum of these divisors (counting 65481808) is 1, the average is 0.05.
Base
System
Value
2
Binary
11111001110010110001010000
3
Ternary
11120012211011011
4
Quaternary
3321302301100
5
Quinary
113230404213
6
Senary
10255300304
8
Octal
371626120
10
Decimal
65481808
12
Duodecimal
19b1a694
16
Hexadecimal
3e72c50
20
Vigesimal
10954a8
36
Base36
12zi34
md5
e4d29c56abd113d0add4132144ce4302
sha1
1b74a9607eaaa5cda3395450974316c72a208a7d
sha256
8a20a3ddfda818a86dca13e6ab49c2a88bac507754ce27a7aed062f333cd85d8
sha512
f034c758e8213b13b94bc4259b1c219c97252310a907bbc06924a7abd2146325ac16d126e714dd70eae8ae1d8368c342b20a1a5708be21488320d00dbd1b682c
ripemd-160
771d7898ecc3679d9bae111042f0bcbb596e2f46
Diameter
130963616
Circumference
411434333.91315
Area
1.3470732028955E+16
Volume
1.1761171844526E+24
Surface area
5.3882928115818E+16
Circumference
411434333.91315
Perimeter
261927232
Area
4287867178948864
Diagonal
92605260.962311
Surface area
25727203073693184
Volume
2.8077729534143E+23
Space diagonal
113417818.42747
Perimeter
196445424
Area
1.8567009525116E+15
Altitude
56708909.213735
Surface area
1.8567009525116E+15
Volume
3.3089921589857E+22
Height
30868420.32077