64996981 (number)

64996981 is an odd 8-digits composite number following 64996980 and preceding 64996982. In scientific notation, it is written as 6.4996981 × 10^7. The sum of its digits is 52. It has a total of 4 prime factors and 12 positive divisors. There are 55462848 positive integers (up to 64996981) that are relatively prime to 64996981.

Interesting facts

Basic properties

Name

Name sixty-four million nine hundred ninety-six thousand nine hundred eighty-one

Notation

Scientific notation 6.4996981 × 10^7
Engineering notation 6.4996981 × 10^6

Prime Factorization of 64996981

Prime Factorization 7 × 7 × 233 × 5693

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9285283
Product of the distinct prime numbers

The prime factorization of 64996981 is 7 × 7 × 233 × 5693. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 3, 43, 60, 731, 48, 9558, 4410, 47037, 45018, 296891, 975277, 2127084, 4703624, 42509380, 97747088, 636076953, 835857019, 7216697585, 8954289948

Basic calculations (n = 64996981)

Multiplication

n×y
n×2 129993962
n×3 194990943
n×4 259987924
n×5 324984905

Division

n÷y
n÷2 32498490.5
n÷3 21665660.333333
n÷3 16249245.25
n÷5 12999396.2

Exponentiation

ny
n2 4224607539114361
n3 2.7458673595227E+23
n4 1.7847308859542E+31
n5 1.1600211948448E+39

Nth Root

y√n
2√n 8062.0705156926
3√n 402.06635085429
4√n 89.789033382104
5√n 36.524025470801

Divisors of 64996981

1, 7, 49, 233, 1631, 5693, 11417, 39851, 278957, 1326469, 9285283, 64996981

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -64996980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 64996981 can be divided by 12 positive divisors. The sum of these divisors (counting 64996981) is 1, the average is 0.083333333333333.

Base conversion 64996981

Base System Value
2 Binary 11110111111100011001110101
3 Ternary 11112022012002121
4 Quaternary 3313330121311
5 Quinary 113114400411
6 Senary 10241035541
8 Octal 367743165
10 Decimal 64996981
12 Duodecimal 19925bb1
16 Hexadecimal 3dfc675
20 Vigesimal 1064c91
36 Base36 12p3zp

Cryptographic Hash Functions

md5 d49f96c409c63bdaab983324f3be416f
sha1 c3a5d650723c079c0f526208f68a96148343823a
sha256 a1b65c32d99cbfcd79de10a7888cd8dcd4e03f33cc347270a4d949bf6ded74ac
sha512 a6d3d3bbfd9b7aa9d4b8e9b822a8d052367b746e196dc512f79d8e060500bb05942ddf555549f1320521c56327f8b38ddca551f9adb63a58fb2b1d860373b5ff
ripemd-160 136a10f015b37ea5d1b898fb7c99218417df29a8

64996981 as geometric shapes

Circle

Radius = n
Diameter 129993962
Circumference 408388076.03023
Area 1.3271996009182E+16

Sphere

Radius = n
Volume 1.1501862299211E+24
Surface area 5.3087984036727E+16
Circumference 408388076.03023

Square

Length = n
Perimeter 259987924
Area 4224607539114361
Diagonal 91919612.043506

Cube

Length = n
Surface area 25347645234686166
Volume 2.7458673595227E+23
Space diagonal 112578073.43059

Equilateral Triangle

Length = n
Perimeter 194990943
Area 1.8293087249461E+15
Altitude 56289036.715294

Triangular Pyramid

Length = n
Surface area 1.8293087249461E+15
Volume 3.2360357169289E+22
Height 30639870.681169