65649987 (number)

65649987 is an odd 8-digits composite number following 65649986 and preceding 65649988. In scientific notation, it is written as 6.5649987 × 10^7. The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors. There are 39626496 positive integers (up to 65649987) that are relatively prime to 65649987.

Interesting facts

Basic properties

Name

Name sixty-five million six hundred forty-nine thousand nine hundred eighty-seven

Notation

Scientific notation 6.5649987 × 10^7
Engineering notation 6.5649987 × 10^6

Prime Factorization of 65649987

Prime Factorization 1431 × 13 × 3529

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 65649987
Product of the distinct prime numbers

The prime factorization of 65649987 is 1431 × 13 × 3529. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 3, 65, 70, 11, 54, 894, 5122, 15803, 52067, 684958, 497821, 9716602, 40324, 68966103, 92396874, 14965953, 567118221, 3726019562, 6023209159

Basic calculations (n = 65649987)

Multiplication

n×y
n×2 131299974
n×3 196949961
n×4 262599948
n×5 328249935

Division

n÷y
n÷2 32824993.5
n÷3 21883329
n÷3 16412496.75
n÷5 13129997.4

Exponentiation

ny
n2 4309920793100169
n3 2.8294624403806E+23
n4 1.8575417242797E+31
n5 1.2194759005092E+39

Nth Root

y√n
2√n 8102.4679573572
3√n 403.40834833279
4√n 90.013709829988
5√n 36.597121586559

Divisors of 65649987

1, 13, 1431, 3529, 18603, 45877, 5049999, 65649987

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 -65649986
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 65649987 can be divided by 8 positive divisors. The sum of these divisors (counting 65649987) is 1, the average is 0.125.

Base conversion 65649987

Base System Value
2 Binary 11111010011011110101000011
3 Ternary 11120112100212000
4 Quaternary 3322123311003
5 Quinary 113301244422
6 Senary 10303035043
8 Octal 372336503
10 Decimal 65649987
12 Duodecimal 19b9ba83
16 Hexadecimal 3e9bd43
20 Vigesimal 10a64j7
36 Base36 1333ur

Cryptographic Hash Functions

md5 859676d2fd2c6fe2ee84e7bb98b22c44
sha1 77bb21f2857d8fe61cc940485d08d567140503ac
sha256 1d56d50a16c4bb1fcae305864f8e437191481bde6bb57c2ffba555fe1d6ada9f
sha512 3da00457e91cbb6211b5b254750a6e148d864f4ebbd5f56585d72bf96744b98519263393687e0511908d69766e4ef45049cef46624ff550115ed9698e2f16fe4
ripemd-160 d4715ba472de1a270204ab90aefe43c4e898abca

65649987 as geometric shapes

Circle

Radius = n
Diameter 131299974
Circumference 412491033.73493
Area 1.3540015501157E+16

Sphere

Radius = n
Volume 1.1852024555077E+24
Surface area 5.416006200463E+16
Circumference 412491033.73493

Square

Length = n
Perimeter 262599948
Area 4309920793100169
Diagonal 92843101.985017

Cube

Length = n
Surface area 25859524758601014
Volume 2.8294624403806E+23
Space diagonal 113709113.00024

Equilateral Triangle

Length = n
Perimeter 196949961
Area 1.8662504475618E+15
Altitude 56854556.500118

Triangular Pyramid

Length = n
Surface area 1.8662504475618E+15
Volume 3.3345534645095E+22
Height 30947700.661672