64989938 (number)

64989938 is an even 8-digits composite number following 64989937 and preceding 64989939. In scientific notation, it is written as 6.4989938 × 10^7. The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors. There are 29995344 positive integers (up to 64989938) that are relatively prime to 64989938.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.4989938 × 10^7
Engineering notation 6.4989938 × 10^6

Prime Factorization of 64989938

Prime Factorization 2 × 13 × 2499613

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 64989938
Product of the distinct prime numbers

The prime factorization of 64989938 is 2 × 13 × 2499613. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 5, 79, 62, 71, 763, 7048, 4945, 18112, 40220, 823165, 225470, 2499854, 2946783, 57092948, 58700297, 356740119, 507218072, 2427952333, 6098753533

Basic calculations (n = 64989938)

Multiplication

n×y
n×2 129979876
n×3 194969814
n×4 259959752
n×5 324949690

Division

n÷y
n÷2 32494969
n÷3 21663312.666667
n÷3 16247484.5
n÷5 12997987.6

Exponentiation

ny
n2 4223692041243844
n3 2.7449748389153E+23
n4 1.7839574459267E+31
n5 1.1593928380541E+39

Nth Root

y√n
2√n 8061.6337053974
3√n 402.05182784336
4√n 89.786600923509
5√n 36.523233896

Divisors of 64989938

1, 2, 13, 26, 2499613, 4999226, 32494969, 64989938

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 -64989937
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 64989938 can be divided by 8 positive divisors. The sum of these divisors (counting 64989938) is 1, the average is 0.125.

Base conversion 64989938

Base System Value
2 Binary 11110111111010101011110010
3 Ternary 11112021211102202
4 Quaternary 3313322223302
5 Quinary 113114134223
6 Senary 10240543202
8 Octal 367725362
10 Decimal 64989938
12 Duodecimal 19921b02
16 Hexadecimal 3dfaaf2
20 Vigesimal 1063egi
36 Base36 12oyk2

Cryptographic Hash Functions

md5 3ca86c2574af6738185ea2543e9d0ae4
sha1 14c620eb26a44261d4e1f22993f41003185eb981
sha256 f0fa604b115ba72d1534dfc7b72bb54496b95acc8901683957a71e67f3b5d3e3
sha512 7c43b8aa44416d6e8e138205f29623efaf8b38462d4ad1826ba1c0059b5d9482a72a76090dc20897ef32c3de3fde29b08d321fc7a1888989aaddad006b72c54c
ripemd-160 1982b99d3862d917a99b8907d704127f1b7be6f6

64989938 as geometric shapes

Circle

Radius = n
Diameter 129979876
Circumference 408343823.55611
Area 1.3269119887797E+16

Sphere

Radius = n
Volume 1.1498123717634E+24
Surface area 5.3076479551189E+16
Circumference 408343823.55611

Square

Length = n
Perimeter 259959752
Area 4223692041243844
Diagonal 91909651.737387

Cube

Length = n
Surface area 25342152247463064
Volume 2.7449748389153E+23
Space diagonal 112565874.59675

Equilateral Triangle

Length = n
Perimeter 194969814
Area 1.8289123027397E+15
Altitude 56282937.298376

Triangular Pyramid

Length = n
Surface area 1.8289123027397E+15
Volume 3.2349838713058E+22
Height 30636550.579129