64778081 (number)

64778081 is an odd 8-digits composite number following 64778080 and preceding 64778082. In scientific notation, it is written as 6.4778081 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 63166320 positive integers (up to 64778081) that are relatively prime to 64778081.

Interesting facts

Basic properties

Name

Name sixty-four million seven hundred seventy-eight thousand eighty-one

Notation

Scientific notation 6.4778081 × 10^7
Engineering notation 6.4778081 × 10^6

Prime Factorization of 64778081

Prime Factorization 43 × 997 × 1511

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 64778081
Product of the distinct prime numbers

The prime factorization of 64778081 is 43 × 997 × 1511. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 64778081)

Multiplication

n×y
n×2 129556162
n×3 194334243
n×4 259112324
n×5 323890405

Division

n÷y
n÷2 32389040.5
n÷3 21592693.666667
n÷3 16194520.25
n÷5 12955616.2

Exponentiation

ny
n2 4196199778042561
n3 2.7182176911422E+23
n4 1.7608092577244E+31
n5 1.1406184472242E+39

Nth Root

y√n
2√n 8048.4831490163
3√n 401.6144769765
4√n 89.713338746344
5√n 36.499390783481

Divisors of 64778081

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -64778080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 64778081 can be divided by 8 positive divisors. The sum of these divisors (counting 64778081) is 1, the average is 0.125.

Base conversion 64778081

Base System Value
2 Binary 11110111000110111101100001
3 Ternary 11111220001211012
4 Quaternary 3313012331201
5 Quinary 113040344311
6 Senary 10232230305
8 Octal 367067541
10 Decimal 64778081
12 Duodecimal 1983b395
16 Hexadecimal 3dc6f61
20 Vigesimal 104h541
36 Base36 12kf35

Cryptographic Hash Functions

md5 36612c6b407c4bcd14be142a25f15ccd
sha1 ecebb9976b47874aca145a594b4fbf14bb601d3a
sha256 87ea4a9450dfdcc13f1e179f790396e9eeebbbccb785b50ecda85ec98287e88a
sha512 38ec8ef06db1cf0ed6ffacf0f6bb56ca8a9ae20dbe1d274cc3c8113623fa5d26151a3c3ab7935cf9c7cab533583029bbb84b1d92a106900eb1cc108d8c47d36c
ripemd-160 0227bca6b15b801fbd68ad3daf1e907f6d9a126b

64778081 as geometric shapes

Circle

Radius = n
Diameter 129556162
Circumference 407012686.76649
Area 1.3182750395694E+16

Sphere

Radius = n
Volume 1.1386043639134E+24
Surface area 5.2731001582775E+16
Circumference 407012686.76649

Square

Length = n
Perimeter 259112324
Area 4196199778042561
Diagonal 91610040.694703

Cube

Length = n
Surface area 25177198668255366
Volume 2.7182176911422E+23
Space diagonal 112198927.50881

Equilateral Triangle

Length = n
Perimeter 194334243
Area 1.8170078035697E+15
Altitude 56099463.754406

Triangular Pyramid

Length = n
Surface area 1.8170078035697E+15
Volume 3.2034502702465E+22
Height 30536680.231568