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

81489354 (number)

81489354 is an even 8-digits composite number following 81489353 and preceding 81489355. In scientific notation, it is written as 8.1489354 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 27163116 positive integers (up to 81489354) that are relatively prime to 81489354.

Interesting facts

81489354 has 8 divisors, whose sum is 162978720
The reverse of 81489354 is 45398418
Previous prime number is 3

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6

Name

Name	eighty-one million four hundred eighty-nine thousand three hundred fifty-four

Notation

Scientific notation	8.1489354 × 10^7
Engineering notation	8.1489354 × 10^6

Prime Factorization of 81489354

Prime Factorization 2 × 3 × 13581559

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81489354	Product of the distinct prime numbers

The prime factorization of 81489354 is 2 × 3 × 13581559. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 9, 52, 1, 2, 119, 9097, 9726, 73737, 10427, 831291, 852072, 1004522, 1880812, 87482258, 86125702, 850079257, 777193703, 5432739298, 6547065215

Basic calculations (n = 81489354)

Multiplication

n×y

n×2	162978708
n×3	244468062
n×4	325957416
n×5	407446770

Division

n÷y

n÷2	40744677
n÷3	27163118
n÷3	20372338.5
n÷5	16297870.8

Exponentiation

n^y

n²	6640514815337316
n³	5.4113126252927E+23
n⁴	4.4096437012714E+31
n⁵	3.5933901658678E+39

Nth Root

^y√n

²√n	9027.145395971
³√n	433.54444401177
⁴√n	95.011290886773
⁵√n	38.213795485529

Divisors of 81489354

1, 2, 3, 6, 13581559, 27163118, 40744677, 81489354

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	-81489353	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 81489354 can be divided by 8 positive divisors. The sum of these divisors (counting 81489354) is 1, the average is 0.125.

Base conversion 81489354

Base	System	Value
2	Binary	100110110110110110111001010
3	Ternary	12200100002101020
4	Quaternary	10312312313022
5	Quinary	131330124404
6	Senary	12030333310
8	Octal	466666712
10	Decimal	81489354
12	Duodecimal	2335a236
16	Hexadecimal	4db6dca
20	Vigesimal	159637e
36	Base36	1cill6

Cryptographic Hash Functions

md5	e77475a2179623c38ad51b8d46cb9fa0
sha1	636cf885cfe54d3988f9dc17f2e1281c3d7c4567
sha256	54b3ce89171982d12f2b5547681780d61e6f6081ae0f32d11c5429ef552848ad
sha512	1381b419ed81c104062939f8cb165885767087a138e6ecebb8d8527012db76becf36c4ace8b8d2f7d4795e81737ce0ef73988a1c63c4badbd944d4fab5e8a431
ripemd-160	ea1f95c5f675ffbe1864b4798f0abe11c29c725f

81489354 as geometric shapes

Circle

Radius = n

Diameter	162978708
Circumference	512012711.74436
Area	2.0861792559918E+16

Sphere

Radius = n

Volume	2.2666853319863E+24
Surface area	8.3447170239672E+16
Circumference	512012711.74436

Square

Length = n

Perimeter	325957416
Area	6640514815337316
Diagonal	115243349.61582

Cube

Length = n

Surface area	39843088892023896
Volume	5.4113126252927E+23
Space diagonal	141143701.40397

Equilateral Triangle

Length = n

Perimeter	244468062
Area	2.8754272621445E+15
Altitude	70571850.701983

Triangular Pyramid

Length = n

Surface area	2.8754272621445E+15
Volume	6.3772930874414E+22
Height	38414449.871941