66881409 (number)

66881409 is an odd 8-digits composite number following 66881408 and preceding 66881410. In scientific notation, it is written as 6.6881409 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 38153808 positive integers (up to 66881409) that are relatively prime to 66881409.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6881409 × 10^7
Engineering notation 6.6881409 × 10^6

Prime Factorization of 66881409

Prime Factorization 7 × 3 × 683 × 4663

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 66881409
Product of the distinct prime numbers

The prime factorization of 66881409 is 7 × 3 × 683 × 4663. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 9, 71, 95, 728, 698, 5530, 9145, 62488, 17315, 982311, 357249, 8821727, 5499348, 36831913, 6934519, 8645360, 124734330, 3074963733, 1712707965

Basic calculations (n = 66881409)

Multiplication

n×y
n×2 133762818
n×3 200644227
n×4 267525636
n×5 334407045

Division

n÷y
n÷2 33440704.5
n÷3 22293803
n÷3 16720352.25
n÷5 13376281.8

Exponentiation

ny
n2 4473122869825281
n3 2.9916876016404E+23
n4 2.0008828208554E+31
n5 1.338218623027E+39

Nth Root

y√n
2√n 8178.105465204
3√n 405.9150351619
4√n 90.432878231338
5√n 36.733396175665

Divisors of 66881409

1, 3, 7, 21, 683, 2049, 4663, 4781, 13989, 14343, 32641, 97923, 3184829, 9554487, 22293803, 66881409

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66881408
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66881409 can be divided by 16 positive divisors. The sum of these divisors (counting 66881409) is 1, the average is 0.0625.

Base conversion 66881409

Base System Value
2 Binary 11111111001000011110000001
3 Ternary 11122211221001020
4 Quaternary 3333020132001
5 Quinary 114110201114
6 Senary 10345300053
8 Octal 377103601
10 Decimal 66881409
12 Duodecimal 1a494629
16 Hexadecimal 3fc8781
20 Vigesimal 10i03a9
36 Base36 13ti0x

Cryptographic Hash Functions

md5 8f6bee33025f529597400e0efe6fcc2c
sha1 21cef49f2ebfdaae998ce55f947f66d1a84d1aa7
sha256 c8a1cc118e8c3f50cd52fe7272ff3932f54beab9e199f6e4a9d949290c6679cb
sha512 00869a73d64f8f901aed115424132e20e4635381ad6556e5c4b078b7542dc788ee8e7093a6831cdf5d06b42ca4ad8ed022f4d5bdf5d6235a113603e873b8d607
ripemd-160 ce6e391d4fb007709302dcf26b91b7f1c28e0276

66881409 as geometric shapes

Circle

Radius = n
Diameter 133762818
Circumference 420228286.35227
Area 1.4052729946448E+16

Sphere

Radius = n
Volume 1.2531551721532E+24
Surface area 5.621091978579E+16
Circumference 420228286.35227

Square

Length = n
Perimeter 267525636
Area 4473122869825281
Diagonal 94584595.678422

Cube

Length = n
Surface area 26838737218951686
Volume 2.9916876016404E+23
Space diagonal 115841998.46979

Equilateral Triangle

Length = n
Perimeter 200644227
Area 1.9369190197589E+15
Altitude 57920999.234897

Triangular Pyramid

Length = n
Surface area 1.9369190197589E+15
Volume 3.5257376505194E+22
Height 31528198.559474