64839985 (number)

64839985 is an odd 8-digits composite number following 64839984 and preceding 64839986. In scientific notation, it is written as 6.4839985 × 10^7. The sum of its digits is 52. It has a total of 5 prime factors and 24 positive divisors. There are 44281440 positive integers (up to 64839985) that are relatively prime to 64839985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.4839985 × 10^7
Engineering notation 6.4839985 × 10^6

Prime Factorization of 64839985

Prime Factorization 7 × 5 × 7 × 691 × 383

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9262855
Product of the distinct prime numbers

The prime factorization of 64839985 is 7 × 5 × 7 × 691 × 383. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 5, 36, 99, 705, 200, 2142, 8984, 91434, 42400, 923233, 175117, 6626705, 5981260, 23973706, 68698025, 548260328, 653925600, 2350551707, 2192256072

Basic calculations (n = 64839985)

Multiplication

n×y
n×2 129679970
n×3 194519955
n×4 259359940
n×5 324199925

Division

n÷y
n÷2 32419992.5
n÷3 21613328.333333
n÷3 16209996.25
n÷5 12967997

Exponentiation

ny
n2 4204223654800225
n3 2.7260179871389E+23
n4 1.7675496539582E+31
n5 1.146078930494E+39

Nth Root

y√n
2√n 8052.3279242713
3√n 401.74236811347
4√n 89.734764301643
5√n 36.506364114778

Divisors of 64839985

1, 5, 7, 35, 49, 245, 383, 691, 1915, 2681, 3455, 4837, 13405, 18767, 24185, 33859, 93835, 169295, 264653, 1323265, 1852571, 9262855, 12967997, 64839985

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -64839984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 64839985 can be divided by 24 positive divisors. The sum of these divisors (counting 64839985) is 1, the average is 0.041666666666667.

Base conversion 64839985

Base System Value
2 Binary 11110111010110000100110001
3 Ternary 11112000012201221
4 Quaternary 3313112010301
5 Quinary 113044334420
6 Senary 10233425041
8 Octal 367260461
10 Decimal 64839985
12 Duodecimal 1986b181
16 Hexadecimal 3dd6131
20 Vigesimal 1054jj5
36 Base36 12lqup

Cryptographic Hash Functions

md5 412c5b8871b482f7e330e5177348a2d3
sha1 b98cdd3b180a24b25facee511b074d94f1f0e568
sha256 51fcc2cedc0dde7ad884e4fdab12e2655842d2a57f40e0347360b31cbb94e438
sha512 8635bc1c95c0924e2ba02bf9d2af45c9341a3ee27a04f2dcf6efb1ee7fd242d31a148deca96a113efd1ce10622c9e3f92b2bc725c457da1299ad06e21650d54e
ripemd-160 9f50bc8930e776261294e405386eaa8edb1fed88

64839985 as geometric shapes

Circle

Radius = n
Diameter 129679970
Circumference 407401641.06974
Area 1.3207958147969E+16

Sphere

Radius = n
Volume 1.1418717442599E+24
Surface area 5.2831832591875E+16
Circumference 407401641.06974

Square

Length = n
Perimeter 259359940
Area 4204223654800225
Diagonal 91697586.171068

Cube

Length = n
Surface area 25225341928801350
Volume 2.7260179871389E+23
Space diagonal 112306148.382

Equilateral Triangle

Length = n
Perimeter 194519955
Area 1.8204822441242E+15
Altitude 56153074.191002

Triangular Pyramid

Length = n
Surface area 1.8204822441242E+15
Volume 3.2126430072374E+22
Height 30565862.057023