66888938 (number)

66888938 is an even 8-digits composite number following 66888937 and preceding 66888939. In scientific notation, it is written as 6.6888938 × 10^7. The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors. There are 33444468 positive integers (up to 66888938) that are relatively prime to 66888938.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6888938 × 10^7
Engineering notation 6.6888938 × 10^6

Prime Factorization of 66888938

Prime Factorization 2 × 33444469

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 66888938
Product of the distinct prime numbers

The prime factorization of 66888938 is 2 × 33444469. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 5, 57, 95, 953, 719, 882, 1987, 44693, 69511, 895492, 869815, 7906365, 9980972, 2287394, 18002685, 385075871, 169828585, 3917236799, 8815581364

Basic calculations (n = 66888938)

Multiplication

n×y
n×2 133777876
n×3 200666814
n×4 267555752
n×5 334444690

Division

n÷y
n÷2 33444469
n÷3 22296312.666667
n÷3 16722234.5
n÷5 13377787.6

Exponentiation

ny
n2 4474130026767844
n3 2.9926980596441E+23
n4 2.0017839496426E+31
n5 1.3389720249704E+39

Nth Root

y√n
2√n 8178.5657666855
3√n 405.93026619882
4√n 90.435423185196
5√n 36.73422317166

Divisors of 66888938

1, 2, 33444469, 66888938

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 -66888937
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 66888938 can be divided by 4 positive divisors. The sum of these divisors (counting 66888938) is 1, the average is 0.25.

Base conversion 66888938

Base System Value
2 Binary 11111111001010010011101010
3 Ternary 11122212022101002
4 Quaternary 3333022103222
5 Quinary 114110421223
6 Senary 10345355002
8 Octal 377122352
10 Decimal 66888938
12 Duodecimal 1a498a62
16 Hexadecimal 3fca4ea
20 Vigesimal 10i126i
36 Base36 13tnu2

Cryptographic Hash Functions

md5 79d58dac458250b656156752e9bb5aac
sha1 fab6dca6b641d13ae7488459b9da03cfdde81fec
sha256 99166b0b894df269c4fd65d6928c96b155315aad53f4effee83553c79bd4b498
sha512 ab3a92ae6cd439163b908aec55767b6e724141bd5625815c8e23375947485f7d11e87a132c96895e0b254c6b52715971b9e5e3c6623d142d489b3459670e9461
ripemd-160 65ee04aabde6c3eac97e24213a16f87aef9812ab

66888938 as geometric shapes

Circle

Radius = n
Diameter 133777876
Circumference 420275592.45445
Area 1.4055894023299E+16

Sphere

Radius = n
Volume 1.2535784318121E+24
Surface area 5.6223576093197E+16
Circumference 420275592.45445

Square

Length = n
Perimeter 267555752
Area 4474130026767844
Diagonal 94595243.292333

Cube

Length = n
Surface area 26844780160607064
Volume 2.9926980596441E+23
Space diagonal 115855039.08032

Equilateral Triangle

Length = n
Perimeter 200666814
Area 1.9373551315079E+15
Altitude 57927519.540162

Triangular Pyramid

Length = n
Surface area 1.9373551315079E+15
Volume 3.526928486697E+22
Height 31531747.764111