65439987 (number)

65439987 is an odd 8-digits composite number following 65439986 and preceding 65439988. In scientific notation, it is written as 6.5439987 × 10^7. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 41060352 positive integers (up to 65439987) that are relatively prime to 65439987.

Interesting facts

Basic properties

Name

Name sixty-five million four hundred thirty-nine thousand nine hundred eighty-seven

Notation

Scientific notation 6.5439987 × 10^7
Engineering notation 6.5439987 × 10^6

Prime Factorization of 65439987

Prime Factorization 3 × 17 × 1283137

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 65439987
Product of the distinct prime numbers

The prime factorization of 65439987 is 3 × 17 × 1283137. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 7, 38, 69, 576, 17, 4485, 6769, 49907, 72921, 265434, 439132, 2797025, 8762148, 34718704, 64541974, 861769447, 620561078, 4593044174, 1691619169

Basic calculations (n = 65439987)

Multiplication

n×y
n×2 130879974
n×3 196319961
n×4 261759948
n×5 327199935

Division

n÷y
n÷2 32719993.5
n÷3 21813329
n÷3 16359996.75
n÷5 13087997.4

Exponentiation

ny
n2 4282391898560169
n3 2.8023967017068E+23
n4 1.8338880372854E+31
n5 1.2000960931941E+39

Nth Root

y√n
2√n 8089.4985629518
3√n 402.97775041511
4√n 89.941639761302
5√n 36.573678328266

Divisors of 65439987

1, 3, 17, 51, 1283137, 3849411, 21813329, 65439987

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 -65439986
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 65439987 can be divided by 8 positive divisors. The sum of these divisors (counting 65439987) is 1, the average is 0.125.

Base conversion 65439987

Base System Value
2 Binary 11111001101000100011110011
3 Ternary 11120010200210020
4 Quaternary 3321220203303
5 Quinary 113223034422
6 Senary 10254334523
8 Octal 371504363
10 Decimal 65439987
12 Duodecimal 19aba443
16 Hexadecimal 3e688f3
20 Vigesimal 108jjj7
36 Base36 12yltf

Cryptographic Hash Functions

md5 071669ea5dca891ab4af49318e974c45
sha1 f06120cb0034c63c54c83ee1a8ffb8e3c3263308
sha256 6d0ee5d892211270a9f60b257919db8e66f0ac860e900b73755b91f3da5e1037
sha512 394eaeaf6d750eacdacc54bc4f1ad9e2ca2033cf9d8ad6dabafa05189805340e4da5d53e827cfd944ada6648d0ebd77e92c2132b165451190fb7f4e3eed85e9c
ripemd-160 7a579854682e74ff7d00b2e4018fc5282351c95a

65439987 as geometric shapes

Circle

Radius = n
Diameter 130879974
Circumference 411171564.82042
Area 1.3453530928309E+16

Sphere

Radius = n
Volume 1.1738651854035E+24
Surface area 5.3814123713236E+16
Circumference 411171564.82042

Square

Length = n
Perimeter 261759948
Area 4282391898560169
Diagonal 92546117.136919

Cube

Length = n
Surface area 25694351391361014
Volume 2.8023967017068E+23
Space diagonal 113345382.33065

Equilateral Triangle

Length = n
Perimeter 196319961
Area 1.8543300865569E+15
Altitude 56672691.165323

Triangular Pyramid

Length = n
Surface area 1.8543300865569E+15
Volume 3.3026561855862E+22
Height 30848705.712306