64278640 is an even 8-digits composite number following 64278639
and preceding 64278641 . In scientific notation, it is written as 6.4278640 × 10^7.
The sum of its digits is 37. It has a total of 6 prime factors and 20 positive divisors.
There are 25711424 positive integers (up to 64278640) that are relatively prime to 64278640.
64278640 has 20 divisors, whose sum is 149448024
The reverse of 64278640 is 04687246
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
sixty-four million two hundred seventy-eight thousand six hundred forty
Scientific notation
6.4278640 × 10^7
Engineering notation
6.4278640 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 803483
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
8034830
Product of the distinct prime numbers
The prime factorization of 64278640 is 2 × 2 × 2 × 2 × 5 × 803483.
Since it has a total of 6 prime factors.
8 , 2 , 72 , 56 , 940 , 818 , 8770 , 5296 , 78791 , 11649 , 974018 , 366972 , 5219639 , 2609712 , 55195572 , 45653303 , 663082172 , 575998544 , 9176698360 , 1267489936
n×2
128557280
n×3
192835920
n×4
257114560
n×5
321393200
n÷2
32139320
n÷3
21426213.333333
n÷3
16069660
n÷5
12855728
n2
4131743560249600
n3
2.655828568816E+23
n4
1.7071304847664E+31
n5
1.0973202586333E+39
2 √n
8017.396086012
3 √n
400.57965958116
4 √n
89.539913368352
5 √n
36.442934115437
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 803483 , 1606966 , 3213932 , 4017415 , 6427864 , 8034830 , 12855728 , 16069660 , 32139320 , 64278640
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
-64278639
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 64278640 can be divided by 20 positive divisors.
The sum of these divisors (counting 64278640) is 1, the average is 0.05.
Base
System
Value
2
Binary
11110101001101000001110000
3
Ternary
11110221200201101
4
Quaternary
3311031001300
5
Quinary
112423404030
6
Senary
10213414144
8
Octal
365150160
10
Decimal
64278640
12
Duodecimal
1963a354
16
Hexadecimal
3d4d070
20
Vigesimal
101egc0
36
Base36
129pps
md5
929052111dd25b6a406e81f6ac0bf043
sha1
0621730262379639cd3a6d2079387d0bf08704c4
sha256
d82c662f53ae06aa1f48d3f0905bfc6b4bc5c220d70c412aeaf683aeb813fc71
sha512
797da2058eb0e18cb1ae9206dbdb3ace01553bcc9174089d9c8c2d2418cba3cc8f2a6ca7b8359ca51bcf4c528d5d096cb0982964965b4b58641bd6334f5735c6
ripemd-160
ece4617510ba6a4854e2e55d1deb38bf946b3c40
Diameter
128557280
Circumference
403874606.41349
Area
1.2980255215397E+16
Volume
1.1124708694648E+24
Surface area
5.1921020861588E+16
Circumference
403874606.41349
Perimeter
257114560
Area
4131743560249600
Diagonal
90903724.458898
Surface area
24790461361497600
Volume
2.655828568816E+23
Space diagonal
111333870.32143
Perimeter
192835920
Area
1.7890974425495E+15
Altitude
55666935.160715
Surface area
1.7890974425495E+15
Volume
3.1299239844646E+22
Height
30301241.486299