66498981 (number)

66498981 is an odd 8-digits composite number following 66498980 and preceding 66498982. In scientific notation, it is written as 6.6498981 × 10^7. The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors. There are 44332652 positive integers (up to 66498981) that are relatively prime to 66498981.

Interesting facts

Basic properties

Name

Name sixty-six million four hundred ninety-eight thousand nine hundred eighty-one

Notation

Scientific notation 6.6498981 × 10^7
Engineering notation 6.6498981 × 10^6

Prime Factorization of 66498981

Prime Factorization 3 × 22166327

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 66498981
Product of the distinct prime numbers

The prime factorization of 66498981 is 3 × 22166327. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66498981)

Multiplication

n×y
n×2 132997962
n×3 199496943
n×4 265995924
n×5 332494905

Division

n÷y
n÷2 33249490.5
n÷3 22166327
n÷3 16624745.25
n÷5 13299796.2

Exponentiation

ny
n2 4422114474038361
n3 2.940661063889E+23
n4 1.95550964215E+31
n5 1.3003939853865E+39

Nth Root

y√n
2√n 8154.690736012
3√n 405.13988156996
4√n 90.303326273244
5√n 36.691291440022

Divisors of 66498981

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 -66498980
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 66498981 can be divided by 4 positive divisors. The sum of these divisors (counting 66498981) is 1, the average is 0.25.

Base conversion 66498981

Base System Value
2 Binary 11111101101011000110100101
3 Ternary 11122010111110020
4 Quaternary 3331223012211
5 Quinary 114010431411
6 Senary 10333145353
8 Octal 375530645
10 Decimal 66498981
12 Duodecimal 1a32b259
16 Hexadecimal 3f6b1a5
20 Vigesimal 10fc791
36 Base36 13laxx

Cryptographic Hash Functions

md5 dcedbad51a27b5593b566a405b5d7fc8
sha1 f603fbf6add4f709def7715245c8560abe854af0
sha256 09e352ec83adaa01e270b02a2c891074140edd050a6fd6cde6b21ebc73ef7e9d
sha512 f686be0c9295a49a1e683ef42420e409b39eb5f2f72af03f5f2bb7fb85b63fe93f002e95139c3b9932be2b45275181f9dd4e58accbcd2352364d86b96c5bc674
ripemd-160 f706084ac83ff7043572c6c93408784eb05113d5

66498981 as geometric shapes

Circle

Radius = n
Diameter 132997962
Circumference 417825420.36161
Area 1.3892482344972E+16

Sphere

Radius = n
Volume 1.2317812260015E+24
Surface area 5.5569929379888E+16
Circumference 417825420.36161

Square

Length = n
Perimeter 265995924
Area 4422114474038361
Diagonal 94043760.814191

Cube

Length = n
Surface area 26532686844230166
Volume 2.940661063889E+23
Space diagonal 115179613.74356

Equilateral Triangle

Length = n
Perimeter 199496943
Area 1.91483173648E+15
Altitude 57589806.871779

Triangular Pyramid

Length = n
Surface area 1.91483173648E+15
Volume 3.4656022990786E+22
Height 31347920.271397