64839990 (number)

64839990 is an even 8-digits composite number following 64839989 and preceding 64839991. In scientific notation, it is written as 6.4839990 × 10^7. The sum of its digits is 48. It has a total of 5 prime factors and 32 positive divisors. There are 16538720 positive integers (up to 64839990) that are relatively prime to 64839990.

Interesting facts

Basic properties

Name

Name sixty-four million eight hundred thirty-nine thousand nine hundred ninety

Notation

Scientific notation 6.4839990 × 10^7
Engineering notation 6.4839990 × 10^6

Prime Factorization of 64839990

Prime Factorization 2 × 3 × 5 × 23 × 93971

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 64839990
Product of the distinct prime numbers

The prime factorization of 64839990 is 2 × 3 × 5 × 23 × 93971. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 2, 71, 41, 154, 197, 6335, 9473, 54741, 99808, 377046, 193865, 4855772, 2017594, 80209482, 34543082, 91548239, 580780127, 193150664, 7562229298

Basic calculations (n = 64839990)

Multiplication

n×y
n×2 129679980
n×3 194519970
n×4 259359960
n×5 324199950

Division

n÷y
n÷2 32419995
n÷3 21613330
n÷3 16209997.5
n÷5 12967998

Exponentiation

ny
n2 4204224303200100
n3 2.7260186177725E+23
n4 1.7675501991618E+31
n5 1.1460793723815E+39

Nth Root

y√n
2√n 8052.3282347406
3√n 401.74237843998
4√n 89.73476603157
5√n 36.5063646778

Divisors of 64839990

1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 93971, 187942, 281913, 469855, 563826, 939710, 1409565, 2161333, 2819130, 4322666, 6483999, 10806665, 12967998, 21613330, 32419995, 64839990

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -64839989
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 64839990 can be divided by 32 positive divisors. The sum of these divisors (counting 64839990) is 1, the average is 0.03125.

Base conversion 64839990

Base System Value
2 Binary 11110111010110000100110110
3 Ternary 11112000012202010
4 Quaternary 3313112010312
5 Quinary 113044334430
6 Senary 10233425050
8 Octal 367260466
10 Decimal 64839990
12 Duodecimal 1986b186
16 Hexadecimal 3dd6136
20 Vigesimal 1054jja
36 Base36 12lquu

Cryptographic Hash Functions

md5 4f8134908bbe6ad17568e4174a6502ab
sha1 f60499d2a2429b03753dbe306068b3aacc7393ce
sha256 2086609f21635879f0cca7798e047c77cd26327246f1e7a79b844e0468d8bfb2
sha512 6b10607e107eee59e51bcea1bc66bf0c3d3c3a827532562d1e3abab942dbc27e4d6b73086c690607dbc6579df2393e1cbb76d764c69d228355377b14beabdad0
ripemd-160 d1c3916ca76a446996ac78a2b4a74fecb61e9e01

64839990 as geometric shapes

Circle

Radius = n
Diameter 129679980
Circumference 407401672.48567
Area 1.3207960184977E+16

Sphere

Radius = n
Volume 1.1418720084191E+24
Surface area 5.2831840739908E+16
Circumference 407401672.48567

Square

Length = n
Perimeter 259359960
Area 4204224303200100
Diagonal 91697593.242136

Cube

Length = n
Surface area 25225345819200600
Volume 2.7260186177725E+23
Space diagonal 112306157.04226

Equilateral Triangle

Length = n
Perimeter 194519970
Area 1.8204825248896E+15
Altitude 56153078.521129

Triangular Pyramid

Length = n
Surface area 1.8204825248896E+15
Volume 3.2126437504462E+22
Height 30565864.414045