64978081 (number)

64978081 is an odd 8-digits composite number following 64978080 and preceding 64978082. In scientific notation, it is written as 6.4978081 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 52531200 positive integers (up to 64978081) that are relatively prime to 64978081.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.4978081 × 10^7
Engineering notation 6.4978081 × 10^6

Prime Factorization of 64978081

Prime Factorization 7 × 19 × 1901 × 257

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 64978081
Product of the distinct prime numbers

The prime factorization of 64978081 is 7 × 19 × 1901 × 257. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 10, 7, 3, 883, 988, 1794, 9182, 90571, 42048, 68729, 88622, 3153358, 2752494, 39331723, 22035989, 980693533, 269223790, 7374945190, 8971819099

Basic calculations (n = 64978081)

Multiplication

n×y
n×2 129956162
n×3 194934243
n×4 259912324
n×5 324890405

Division

n÷y
n÷2 32489040.5
n÷3 21659360.333333
n÷3 16244520.25
n÷5 12995616.2

Exponentiation

ny
n2 4222151010442561
n3 2.7434727035077E+23
n4 1.7826559154981E+31
n5 1.1583356047237E+39

Nth Root

y√n
2√n 8060.8982750063
3√n 402.02737575836
4√n 89.782505395017
5√n 36.521901112481

Divisors of 64978081

1, 7, 19, 133, 257, 1799, 1901, 4883, 13307, 34181, 36119, 252833, 488557, 3419899, 9282583, 64978081

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -64978080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 64978081 can be divided by 16 positive divisors. The sum of these divisors (counting 64978081) is 1, the average is 0.0625.

Base conversion 64978081

Base System Value
2 Binary 11110111110111110010100001
3 Ternary 11112021020011121
4 Quaternary 3313313302201
5 Quinary 113113244311
6 Senary 10240412241
8 Octal 367676241
10 Decimal 64978081
12 Duodecimal 19917081
16 Hexadecimal 3df7ca1
20 Vigesimal 1062541
36 Base36 12opep

Cryptographic Hash Functions

md5 ad7ee2de8b7c83979664f7e3d7d9ced8
sha1 fd03c078b93e8fc9299597a37e297a4993e0bae1
sha256 8d289fe6991dc324cfa61b996854f1f377b0bfc84e786fc76342bf54ed0666f6
sha512 131bb87c56f044d105fc4d76caa1ec2eb65e905b87268258b3d4cf10f80456844a66075bcbbdddc826abfd78e8fbb439ee62acbf52b7f25f700ca65bbfeadb3a
ripemd-160 fd6f9a344a462250d62f260c4b8534ac1782699e

64978081 as geometric shapes

Circle

Radius = n
Diameter 129956162
Circumference 408269323.82793
Area 1.3264278596753E+16

Sphere

Radius = n
Volume 1.1491831587552E+24
Surface area 5.3057114387012E+16
Circumference 408269323.82793

Square

Length = n
Perimeter 259912324
Area 4222151010442561
Diagonal 91892883.407178

Cube

Length = n
Surface area 25332906062655366
Volume 2.7434727035077E+23
Space diagonal 112545337.67033

Equilateral Triangle

Length = n
Perimeter 194934243
Area 1.8282450168287E+15
Altitude 56272668.835163

Triangular Pyramid

Length = n
Surface area 1.8282450168287E+15
Volume 3.2332135877508E+22
Height 30630961.135726