66887979 (number)

66887979 is an odd 8-digits composite number following 66887978 and preceding 66887980. In scientific notation, it is written as 6.6887979 × 10^7. The sum of its digits is 60. It has a total of 5 prime factors and 32 positive divisors. There are 39739392 positive integers (up to 66887979) that are relatively prime to 66887979.

Interesting facts

Basic properties

Name

Name sixty-six million eight hundred eighty-seven thousand nine hundred seventy-nine

Notation

Scientific notation 6.6887979 × 10^7
Engineering notation 6.6887979 × 10^6

Prime Factorization of 66887979

Prime Factorization 3 × 17 × 23 × 127 × 449

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 66887979
Product of the distinct prime numbers

The prime factorization of 66887979 is 3 × 17 × 23 × 127 × 449. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 2, 78, 67, 890, 798, 2566, 3688, 1599, 47934, 184201, 413621, 5990545, 6404611, 43533845, 15708508, 148903907, 733812794, 7280035156, 1262440180

Basic calculations (n = 66887979)

Multiplication

n×y
n×2 133775958
n×3 200663937
n×4 267551916
n×5 334439895

Division

n÷y
n÷2 33443989.5
n÷3 22295993
n÷3 16721994.75
n÷5 13377595.8

Exponentiation

ny
n2 4474001734704441
n3 2.9925693407687E+23
n4 2.0016691522138E+31
n5 1.3388760421823E+39

Nth Root

y√n
2√n 8178.5071376138
3√n 405.92832622191
4√n 90.435099035794
5√n 36.734117837884

Divisors of 66887979

1, 3, 17, 23, 51, 69, 127, 381, 391, 449, 1173, 1347, 2159, 2921, 6477, 7633, 8763, 10327, 22899, 30981, 49657, 57023, 148971, 171069, 175559, 526677, 969391, 1311529, 2908173, 3934587, 22295993, 66887979

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 -66887978
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 66887979 can be divided by 32 positive divisors. The sum of these divisors (counting 66887979) is 1, the average is 0.03125.

Base conversion 66887979

Base System Value
2 Binary 11111111001010000100101011
3 Ternary 11122212021001120
4 Quaternary 3333022010223
5 Quinary 114110403404
6 Senary 10345350323
8 Octal 377120453
10 Decimal 66887979
12 Duodecimal 1a4983a3
16 Hexadecimal 3fca12b
20 Vigesimal 10i0jij
36 Base36 13tn3f

Cryptographic Hash Functions

md5 dfc42f623f84290331d02140120979b5
sha1 429fde5bbac01633eba3cb5ad934b7421716dd7e
sha256 d00911bf63c26397ff19f20d3a3b83d6bf1113393971df326f44ffa66497d696
sha512 c823418bf119d6f15ef38eb216471e2dc2c3ea838ed1ef5c20b2089517af10a64ac835334c0b5683ee52126a8d07f9b9f9f737483eb81391114df0558f1568ba
ripemd-160 20f9a6c196cea5bd8269b6252785f72210fc0940

66887979 as geometric shapes

Circle

Radius = n
Diameter 133775958
Circumference 420269566.87974
Area 1.4055490981895E+16

Sphere

Radius = n
Volume 1.2535245141756E+24
Surface area 5.6221963927582E+16
Circumference 420269566.87974

Square

Length = n
Perimeter 267551916
Area 4474001734704441
Diagonal 94593887.061527

Cube

Length = n
Surface area 26844010408226646
Volume 2.9925693407687E+23
Space diagonal 115853378.0436

Equilateral Triangle

Length = n
Perimeter 200663937
Area 1.9372995794148E+15
Altitude 57926689.0218

Triangular Pyramid

Length = n
Surface area 1.9372995794148E+15
Volume 3.5267767900476E+22
Height 31531295.687176