Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

66656989 (number)

66656989 is an odd 8-digits composite number following 66656988 and preceding 66656990. In scientific notation, it is written as 6.6656989 × 10^7. The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors. There are 56837376 positive integers (up to 66656989) that are relatively prime to 66656989.

Interesting facts

66656989 has 8 divisors, whose sum is 76575680
The reverse of 66656989 is 98965666
Previous prime number is 193

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1

Name

Name	sixty-six million six hundred fifty-six thousand nine hundred eighty-nine

Notation

Scientific notation	6.6656989 × 10^7
Engineering notation	6.6656989 × 10^6

Prime Factorization of 66656989

Prime Factorization 7 × 193 × 49339

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	66656989	Product of the distinct prime numbers

The prime factorization of 66656989 is 7 × 193 × 49339. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 4, 83, 64, 780, 558, 966, 7706, 10224, 90693, 557868, 383065, 9776641, 6725837, 97594123, 32772365, 248534324, 258726026, 9594533250, 1589930275

Basic calculations (n = 66656989)

Multiplication

n×y

n×2	133313978
n×3	199970967
n×4	266627956
n×5	333284945

Division

n÷y

n÷2	33328494.5
n÷3	22218996.333333
n÷3	16664247.25
n÷5	13331397.8

Exponentiation

n^y

n²	4443154182546121
n³	2.9616727947128E+23
n⁴	1.9741619089877E+31
n⁵	1.3159168865161E+39

Nth Root

^y√n

²√n	8164.3731541374
³√n	405.46051158091
⁴√n	90.356920897834
⁵√n	36.708711301646

Divisors of 66656989

1, 7, 193, 1351, 49339, 345373, 9522427, 66656989

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-66656988	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66656989 can be divided by 8 positive divisors. The sum of these divisors (counting 66656989) is 1, the average is 0.125.

Base conversion 66656989

Base	System	Value
2	Binary	11111110010001101011011101
3	Ternary	11122102112012101
4	Quaternary	3332101223131
5	Quinary	114031010424
6	Senary	10340405101
8	Octal	376215335
10	Decimal	66656989
12	Duodecimal	1a3a6791
16	Hexadecimal	3f91add
20	Vigesimal	10gc299
36	Base36	13oov1

Cryptographic Hash Functions

md5	722519283243f6b5316813b56b0f3f79
sha1	237435f371c6cc4bf0e3719a5510a5f5de6d4a44
sha256	ce2a29d819fbe3e5cd2467692ddb7339deaed8cdf8df6a85b53c6141e4018736
sha512	176ecd8707701f6069714196b4f2794795be80ba7213fc97e2c2326497de136c81c5cfe6d3473591f0cedb3d590462216d861cc6d8d273393572444221f56fb3
ripemd-160	9f643ae385b60e100660af137c213b21d0526680

66656989 as geometric shapes

Circle

Radius = n

Diameter	133313978
Circumference	418818213.90563
Area	1.3958580538654E+16

Sphere

Radius = n

Volume	1.2405825992275E+24
Surface area	5.5834322154615E+16
Circumference	418818213.90563

Square

Length = n

Perimeter	266627956
Area	4443154182546121
Diagonal	94267217.870754

Cube

Length = n

Surface area	26658925095276726
Volume	2.9616727947128E+23
Space diagonal	115453291.62756

Equilateral Triangle

Length = n

Perimeter	199970967
Area	1.923942197508E+15
Altitude	57726645.81378

Triangular Pyramid

Length = n

Surface area	1.923942197508E+15
Volume	3.4903648613286E+22
Height	31422405.956918