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

81389077 (number)

81389077 is an odd 8-digits composite number following 81389076 and preceding 81389078. In scientific notation, it is written as 8.1389077 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 63011520 positive integers (up to 81389077) that are relatively prime to 81389077.

Interesting facts

81389077 has 8 divisors, whose sum is 82011776
The reverse of 81389077 is 77098318
Previous prime number is 307

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7

Name

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

Notation

Scientific notation	8.1389077 × 10^7
Engineering notation	8.1389077 × 10^6

Prime Factorization of 81389077

Prime Factorization 847 × 307 × 313

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81389077	Product of the distinct prime numbers

The prime factorization of 81389077 is 847 × 307 × 313. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 2, 87, 97, 122, 679, 7522, 532, 32741, 70652, 861085, 799350, 6172540, 2959538, 63172451, 41318683, 15215610, 687384084, 2524071974, 8885220495

Basic calculations (n = 81389077)

Multiplication

n×y

n×2	162778154
n×3	244167231
n×4	325556308
n×5	406945385

Division

n÷y

n÷2	40694538.5
n÷3	27129692.333333
n÷3	20347269.25
n÷5	16277815.4

Exponentiation

n^y

n²	6624181854911929
n³	5.3913604705143E+23
n⁴	4.3879785246944E+31
n⁵	3.571335220207E+39

Nth Root

^y√n

²√n	9021.5894940969
³√n	433.36653782379
⁴√n	94.982048272802
⁵√n	38.204386029813

Divisors of 81389077

1, 307, 313, 847, 96091, 260029, 265111, 81389077

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	-81389076	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 81389077 can be divided by 8 positive divisors. The sum of these divisors (counting 81389077) is 1, the average is 0.125.

Base conversion 81389077

Base	System	Value
2	Binary	100110110011110011000010101
3	Ternary	12200010222211021
4	Quaternary	10312132120111
5	Quinary	131313422302
6	Senary	12024241141
8	Octal	466363025
10	Decimal	81389077
12	Duodecimal	233101b1
16	Hexadecimal	4d9e615
20	Vigesimal	158dcdh
36	Base36	1cgg7p

Cryptographic Hash Functions

md5	50e4f314d58a8a072d473ebbb8e299f5
sha1	e18776b981219575d2a22e6755dfcb55f7feea9f
sha256	3deee82de4a13551ab0bddfcb3b1ad6e713af21411e7cbcb838fdadbd8f87dbd
sha512	2ae41cff36662db448e80c94f99f573acc497c7c1d471482eb5d657daeb737930bf579d46abde29f8181789b074a6b05a7957df9b062247805520011abc93033
ripemd-160	0334d263aa64f7725547865973bd691af652c454

81389077 as geometric shapes

Circle

Radius = n

Diameter	162778154
Circumference	511382652.77131
Area	2.0810481051434E+16

Sphere

Radius = n

Volume	2.2583277929363E+24
Surface area	8.3241924205736E+16
Circumference	511382652.77131

Square

Length = n

Perimeter	325556308
Area	6624181854911929
Diagonal	115101536.52243

Cube

Length = n

Surface area	39745091129471574
Volume	5.3913604705143E+23
Space diagonal	140970016.54514

Equilateral Triangle

Length = n

Perimeter	244167231
Area	2.8683548828208E+15
Altitude	70485008.272568

Triangular Pyramid

Length = n

Surface area	2.8683548828208E+15
Volume	6.3537792475363E+22
Height	38367178.840809