64985215 (number)

64985215 is an odd 8-digits composite number following 64985214 and preceding 64985216. In scientific notation, it is written as 6.4985215 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 51952992 positive integers (up to 64985215) that are relatively prime to 64985215.

Interesting facts

Basic properties

Name

Name sixty-four million nine hundred eighty-five thousand two hundred fifteen

Notation

Scientific notation 6.4985215 × 10^7
Engineering notation 6.4985215 × 10^6

Prime Factorization of 64985215

Prime Factorization 5 × 1879 × 6917

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 64985215
Product of the distinct prime numbers

The prime factorization of 64985215 is 5 × 1879 × 6917. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 64985215)

Multiplication

n×y
n×2 129970430
n×3 194955645
n×4 259940860
n×5 324926075

Division

n÷y
n÷2 32492607.5
n÷3 21661738.333333
n÷3 16246303.75
n÷5 12997043

Exponentiation

ny
n2 4223078168596225
n3 2.7443764274803E+23
n4 1.7834389218074E+31
n5 1.1589716177302E+39

Nth Root

y√n
2√n 8061.3407693758
3√n 402.04208819831
4√n 89.784969618393
5√n 36.522703031519

Divisors of 64985215

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 -64985214
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 64985215 can be divided by 8 positive divisors. The sum of these divisors (counting 64985215) is 1, the average is 0.125.

Base conversion 64985215

Base System Value
2 Binary 11110111111001100001111111
3 Ternary 11112021120221211
4 Quaternary 3313321201333
5 Quinary 113114011330
6 Senary 10240505251
8 Octal 367714177
10 Decimal 64985215
12 Duodecimal 1991b227
16 Hexadecimal 3df987f
20 Vigesimal 106330f
36 Base36 12ouwv

Cryptographic Hash Functions

md5 f6810a11152ab002f2f201f024a68420
sha1 c1d085b5dc0ca6ecc67a0626f82dd0c53d41d2a0
sha256 5ffad62c3f248fe8ebd45d94a3f0b6bac1dac20a4c453e421d041b0cf4b3ed63
sha512 bf45d1409e998691eae8c0fdf6a46416a94d6aca6f194864012157d3034ed2aa8079d4e6352530fc87b379227fdbf3375ba8b2cc1eaea2728531d8362036240f
ripemd-160 625ebdad53d2889d31dff164de5d6af2f25105f6

64985215 as geometric shapes

Circle

Radius = n
Diameter 129970430
Circumference 408314148.07191
Area 1.3267191349997E+16

Sphere

Radius = n
Volume 1.1495617097676E+24
Surface area 5.3068765399989E+16
Circumference 408314148.07191

Square

Length = n
Perimeter 259940860
Area 4223078168596225
Diagonal 91902972.406732

Cube

Length = n
Surface area 25338469011577350
Volume 2.7443764274803E+23
Space diagonal 112557694.12079

Equilateral Triangle

Length = n
Perimeter 194955645
Area 1.8286464880859E+15
Altitude 56278847.060394

Triangular Pyramid

Length = n
Surface area 1.8286464880859E+15
Volume 3.2342786366664E+22
Height 30634324.135577