64943987 (number)

64943987 is an odd 8-digits prime number following 64943986 and preceding 64943988. In scientific notation, it is written as 6.4943987 × 10^7. The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors. There are 64943986 positive integers (up to 64943987) that are relatively prime to 64943987.

Interesting facts

Basic properties

Name

Name sixty-four million nine hundred forty-three thousand nine hundred eighty-seven

Notation

Scientific notation 6.4943987 × 10^7
Engineering notation 6.4943987 × 10^6

Prime Factorization of 64943987

Prime Factorization 64943987

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 64943987
Product of the distinct prime numbers

The prime factorization of 64943987 is 64943987. Since it has a total of 1 prime factors.

Most popular turbo-numbers

4, 9, 96, 80, 921, 765, 7220, 4576, 60375, 26683, 618320, 46283, 1421620, 8730622, 13951857, 81823515, 920561520, 92598113, 9414911843, 2022001101

Basic calculations (n = 64943987)

Multiplication

n×y
n×2 129887974
n×3 194831961
n×4 259775948
n×5 324719935

Division

n÷y
n÷2 32471993.5
n÷3 21647995.666667
n÷3 16235996.75
n÷5 12988797.4

Exponentiation

ny
n2 4217721447456169
n3 2.7391564685321E+23
n4 1.7789174208332E+31
n5 1.1552998985266E+39

Nth Root

y√n
2√n 8058.7832208095
3√n 401.95704886688
4√n 89.770725856537
5√n 36.518067699436

Divisors of 64943987

1, 64943987

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 64943988
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 32471994
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 8058.7832828536
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999692042
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 64943987 can be divided by 2 positive divisors. The sum of these divisors (counting 64943987) is 64943988, the average is 32471994.

Base conversion 64943987

Base System Value
2 Binary 11110111101111011101110011
3 Ternary 11112012111101212
4 Quaternary 3313233131303
5 Quinary 113111201422
6 Senary 10235550335
8 Octal 367573563
10 Decimal 64943987
12 Duodecimal 198bb3ab
16 Hexadecimal 3def773
20 Vigesimal 105hjj7
36 Base36 12nz3n

Cryptographic Hash Functions

md5 1ee6118b38cd0afaaaf1ead406be4071
sha1 7a0d662b323add3e89448373722352620e69c200
sha256 67be474ab2916f74375ae512040d28d1968ec7576a03c2ced60589186bc96e6a
sha512 44ffefb7496f571d6c03c81c16882b6fa99088256d07fcfdd274534e8eaab8ba6118f7cb1cf2fda8e4a990104f5309700676463e37d2756bce9fff6ae7df2eed
ripemd-160 2f593197c34b29f171247135b76af2097d4ecd60

64943987 as geometric shapes

Circle

Radius = n
Diameter 129887974
Circumference 408055104.90806
Area 1.3250362714216E+16

Sphere

Radius = n
Volume 1.1473751784765E+24
Surface area 5.3001450856866E+16
Circumference 408055104.90806

Square

Length = n
Perimeter 259775948
Area 4217721447456169
Diagonal 91844667.209982

Cube

Length = n
Surface area 25306328684737014
Volume 2.7391564685321E+23
Space diagonal 112486285.13009

Equilateral Triangle

Length = n
Perimeter 194831961
Area 1.8263269597918E+15
Altitude 56243142.565046

Triangular Pyramid

Length = n
Surface area 1.8263269597918E+15
Volume 3.2281268560501E+22
Height 30614889.069994