65996981 (number)

65996981 is an odd 8-digits composite number following 65996980 and preceding 65996982. In scientific notation, it is written as 6.5996981 × 10^7. The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors. There are 65832000 positive integers (up to 65996981) that are relatively prime to 65996981.

Interesting facts

Basic properties

Name

Name sixty-five million nine hundred ninety-six thousand nine hundred eighty-one

Notation

Scientific notation 6.5996981 × 10^7
Engineering notation 6.5996981 × 10^6

Prime Factorization of 65996981

Prime Factorization 401 × 164581

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 65996981
Product of the distinct prime numbers

The prime factorization of 65996981 is 401 × 164581. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 2, 74, 83, 576, 718, 9015, 5241, 96518, 81329, 345248, 69034, 4992674, 9187806, 88111299, 60746551, 511483242, 723470446, 4203283017, 5288443151

Basic calculations (n = 65996981)

Multiplication

n×y
n×2 131993962
n×3 197990943
n×4 263987924
n×5 329984905

Division

n÷y
n÷2 32998490.5
n÷3 21998993.666667
n÷3 16499245.25
n÷5 13199396.2

Exponentiation

ny
n2 4355601501114361
n3 2.8745654951262E+23
n4 1.897126443651E+31
n5 1.2520461785623E+39

Nth Root

y√n
2√n 8123.8525959055
3√n 404.11784009775
4√n 90.132417009118
5√n 36.635726980874

Divisors of 65996981

1, 401, 164581, 65996981

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -65996980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 65996981 can be divided by 4 positive divisors. The sum of these divisors (counting 65996981) is 1, the average is 0.25.

Base conversion 65996981

Base System Value
2 Binary 11111011110000100010110101
3 Ternary 11121011222211122
4 Quaternary 3323300202311
5 Quinary 113343400411
6 Senary 10314313325
8 Octal 373604265
10 Decimal 65996981
12 Duodecimal 1a128845
16 Hexadecimal 3ef08b5
20 Vigesimal 10c9c91
36 Base36 13ajlh

Cryptographic Hash Functions

md5 e7bee529822a84b1bcb35134e9879f85
sha1 dab63f80c6c7962bc6d24f7e3b1dd3f255819eb6
sha256 674e0e1802ca07efc21a1d765a7fc244b0ff86f663ab06b55ee654bb44632592
sha512 be2b40655523d57ab91dd69e552c1804e7bb837319189216b7e7495705c4763607870237ba62356ad854fef35eda9c10c384b968e683b6b28b6607518a4f0f75
ripemd-160 efd083bf00c2812f8a9b3029511704d5320b7d88

65996981 as geometric shapes

Circle

Radius = n
Diameter 131993962
Circumference 414671261.33741
Area 1.3683525677866E+16

Sphere

Radius = n
Volume 1.2040951789001E+24
Surface area 5.4734102711462E+16
Circumference 414671261.33741

Square

Length = n
Perimeter 263987924
Area 4355601501114361
Diagonal 93333825.605879

Cube

Length = n
Surface area 26133609006686166
Volume 2.8745654951262E+23
Space diagonal 114310124.23816

Equilateral Triangle

Length = n
Perimeter 197990943
Area 1.8860307743633E+15
Altitude 57155062.119079

Triangular Pyramid

Length = n
Surface area 1.8860307743633E+15
Volume 3.387707924281E+22
Height 31111275.20196