65720985 (number)

65720985 is an odd 8-digits composite number following 65720984 and preceding 65720986. In scientific notation, it is written as 6.5720985 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors. There are 30401280 positive integers (up to 65720985) that are relatively prime to 65720985.

Interesting facts

Basic properties

Name

Name sixty-five million seven hundred twenty thousand nine hundred eighty-five

Notation

Scientific notation 6.5720985 × 10^7
Engineering notation 6.5720985 × 10^6

Prime Factorization of 65720985

Prime Factorization 3 × 11 × 215 × 59 × 157

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 65720985
Product of the distinct prime numbers

The prime factorization of 65720985 is 3 × 11 × 215 × 59 × 157. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 1, 74, 58, 232, 249, 2025, 5767, 69680, 57430, 662937, 612946, 5992927, 7849229, 58819936, 47915200, 987219004, 637924526, 6310036805, 1737518643

Basic calculations (n = 65720985)

Multiplication

n×y
n×2 131441970
n×3 197162955
n×4 262883940
n×5 328604925

Division

n÷y
n÷2 32860492.5
n÷3 21906995
n÷3 16430246.25
n÷5 13144197

Exponentiation

ny
n2 4319247869370225
n3 2.8386522443416E+23
n4 1.8655902157059E+31
n5 1.2260842658256E+39

Nth Root

y√n
2√n 8106.8480311401
3√n 403.55371960973
4√n 90.038036579771
5√n 36.605033847599

Divisors of 65720985

1, 3, 11, 33, 59, 157, 177, 215, 471, 645, 649, 1727, 1947, 2365, 5181, 7095, 9263, 12685, 27789, 33755, 38055, 101265, 101893, 139535, 305679, 371305, 418605, 1113915, 1991545, 5974635, 21906995, 65720985

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 -65720984
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 65720985 can be divided by 32 positive divisors. The sum of these divisors (counting 65720985) is 1, the average is 0.03125.

Base conversion 65720985

Base System Value
2 Binary 11111010101101001010011001
3 Ternary 11120122222020120
4 Quaternary 3322231022121
5 Quinary 113311032420
6 Senary 10304343453
8 Octal 372551231
10 Decimal 65720985
12 Duodecimal 1a014b89
16 Hexadecimal 3ead299
20 Vigesimal 10af295
36 Base36 134mmx

Cryptographic Hash Functions

md5 8ac9ad2c99b1c00e8cf31c1c60310250
sha1 76d163f59829f1236ab70483903bac948a2a0369
sha256 fb77eb30884bfc811f668fcea3799c5c5557d9bfb98cb8681ae5afbe7f7b1eaa
sha512 31bbb9382476366287637c011ba32c502d2d11d8eee1544417f2124ee541a81937e97d6b84e01314868b0d42ca6dbc35acf239496eaffe37d12b02b6dda625d5
ripemd-160 d416aab39caf5212d809970541fdf3e1a10578f9

65720985 as geometric shapes

Circle

Radius = n
Diameter 131441970
Circumference 412937127.32537
Area 1.3569317375447E+16

Sphere

Radius = n
Volume 1.1890518715893E+24
Surface area 5.4277269501787E+16
Circumference 412937127.32537

Square

Length = n
Perimeter 262883940
Area 4319247869370225
Diagonal 92943508.319519

Cube

Length = n
Surface area 25915487216221350
Volume 2.8386522443416E+23
Space diagonal 113832085.14347

Equilateral Triangle

Length = n
Perimeter 197162955
Area 1.8702891900582E+15
Altitude 56916042.571736

Triangular Pyramid

Length = n
Surface area 1.8702891900582E+15
Volume 3.3453837523406E+22
Height 30981169.43984