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

81389076 (number)

81389076 is an even 8-digits composite number following 81389075 and preceding 81389077. In scientific notation, it is written as 8.1389076 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors. There are 26824512 positive integers (up to 81389076) that are relatively prime to 81389076.

Interesting facts

81389076 has 24 divisors, whose sum is 192044160
The reverse of 81389076 is 67098318
Previous prime number is 89

Basic properties

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

Name

Name	eighty-one million three hundred eighty-nine thousand seventy-six

Notation

Scientific notation	8.1389076 × 10^7
Engineering notation	8.1389076 × 10^6

Prime Factorization of 81389076

Prime Factorization 2 × 2 × 3 × 89 × 76207

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	40694538	Product of the distinct prime numbers

The prime factorization of 81389076 is 2 × 2 × 3 × 89 × 76207. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 1, 10, 60, 960, 903, 3686, 5560, 94974, 48159, 311414, 859109, 1415491, 8870599, 98543122, 11858911, 452583133, 716063243, 9741231137, 2441352165

Basic calculations (n = 81389076)

Multiplication

n×y

n×2	162778152
n×3	244167228
n×4	325556304
n×5	406945380

Division

n÷y

n÷2	40694538
n÷3	27129692
n÷3	20347269
n÷5	16277815.2

Exponentiation

n^y

n²	6624181692133776
n³	5.3913602717888E+23
n⁴	4.38797830904E+31
n⁵	3.5713350008081E+39

Nth Root

^y√n

²√n	9021.5894386743
³√n	433.36653604892
⁴√n	94.982047981049
⁵√n	38.204385935932

Divisors of 81389076

1, 2, 3, 4, 6, 12, 89, 178, 267, 356, 534, 1068, 76207, 152414, 228621, 304828, 457242, 914484, 6782423, 13564846, 20347269, 27129692, 40694538, 81389076

24 divisors

τ	Total Divisors	24	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81389075	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.041666666666667	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	24	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81389076 can be divided by 24 positive divisors. The sum of these divisors (counting 81389076) is 1, the average is 0.041666666666667.

Base conversion 81389076

Base	System	Value
2	Binary	100110110011110011000010100
3	Ternary	12200010222211020
4	Quaternary	10312132120110
5	Quinary	131313422301
6	Senary	12024241140
8	Octal	466363024
10	Decimal	81389076
12	Duodecimal	233101b0
16	Hexadecimal	4d9e614
20	Vigesimal	158dcdg
36	Base36	1cgg7o

Cryptographic Hash Functions

md5	6685747d6412f711ac15f675fce44cc2
sha1	10da8d9299f304cad39971c076b01179bea45f2d
sha256	bfe70aabe42856f778b0d9807daaf9b81a5af7056cf8f95e80ef63e13c285387
sha512	8e0ed624af9b118ef142ff5bdb8cc38d9369d4a65c5216a2435f06466dc0e3e5612ed16be8b02093a380ae4611f394fb98c3f7fd550a628d674cf3faeb66c5ac
ripemd-160	78f0451cea106d27afabe9742c1c6c3866647f15

81389076 as geometric shapes

Circle

Radius = n

Diameter	162778152
Circumference	511382646.48812
Area	2.0810480540051E+16

Sphere

Radius = n

Volume	2.2583277096944E+24
Surface area	8.3241922160206E+16
Circumference	511382646.48812

Square

Length = n

Perimeter	325556304
Area	6624181692133776
Diagonal	115101535.10821

Cube

Length = n

Surface area	39745090152802656
Volume	5.3913602717888E+23
Space diagonal	140970014.81308

Equilateral Triangle

Length = n

Perimeter	244167228
Area	2.8683548123358E+15
Altitude	70485007.406542

Triangular Pyramid

Length = n

Surface area	2.8683548123358E+15
Volume	6.3537790133361E+22
Height	38367178.369405