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

81121502 (number)

81121502 is an even 8-digits composite number following 81121501 and preceding 81121503. In scientific notation, it is written as 8.1121502 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 31605720 positive integers (up to 81121502) that are relatively prime to 81121502.

Interesting facts

81121502 has 8 divisors, whose sum is 123262776
The reverse of 81121502 is 20512118
Previous prime number is 77

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2

Name

Name	eighty-one million one hundred twenty-one thousand five hundred two

Notation

Scientific notation	8.1121502 × 10^7
Engineering notation	8.1121502 × 10^6

Prime Factorization of 81121502

Prime Factorization 2 × 77 × 526763

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81121502	Product of the distinct prime numbers

The prime factorization of 81121502 is 2 × 77 × 526763. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 3, 6, 83, 79, 802, 1499, 8030, 55217, 38680, 903900, 739200, 7874863, 7531861, 39718799, 18077522, 658539359, 455941530, 7417455731, 9510669307

Basic calculations (n = 81121502)

Multiplication

n×y

n×2	162243004
n×3	243364506
n×4	324486008
n×5	405607510

Division

n÷y

n÷2	40560751
n÷3	27040500.666667
n÷3	20280375.5
n÷5	16224300.4

Exponentiation

n^y

n²	6580698086736004
n³	5.3383611300455E+23
n⁴	4.3305587308771E+31
n⁵	3.5130142874796E+39

Nth Root

^y√n

²√n	9006.7475816745
³√n	432.89110400665
⁴√n	94.903886019881
⁵√n	38.179232757142

Divisors of 81121502

1, 2, 77, 154, 526763, 1053526, 40560751, 81121502

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	-81121501	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 81121502 can be divided by 8 positive divisors. The sum of these divisors (counting 81121502) is 1, the average is 0.125.

Base conversion 81121502

Base	System	Value
2	Binary	100110101011101000011011110
3	Ternary	12122122101210002
4	Quaternary	10311131003132
5	Quinary	131231342002
6	Senary	12014414302
8	Octal	465350336
10	Decimal	81121502
12	Duodecimal	23201392
16	Hexadecimal	4d5d0de
20	Vigesimal	15703f2
36	Base36	1capr2

Cryptographic Hash Functions

md5	780806ae11eb62542b52041bcb8d7322
sha1	53e159c28e294966bd1317399ec7203d41ff0bf5
sha256	3a0961003bfe6af0aad150de9063ed55bdc901f370b8d8c4f39780d3016e51db
sha512	381a1c2acc9425e7e3e3dd27931763db4b51dd52e9283e4bfd23c062812c03ccd27f99278ac6758355e78a107192d20dd9093ff0e0e930ea27b265c9a444ac37
ripemd-160	8bb51a5b849ecb6845f47baa0900c3d755591697

81121502 as geometric shapes

Circle

Radius = n

Diameter	162243004
Circumference	509701429.46274
Area	2.0673872764782E+16

Sphere

Radius = n

Volume	2.2361274811147E+24
Surface area	8.2695491059129E+16
Circumference	509701429.46274

Square

Length = n

Perimeter	324486008
Area	6580698086736004
Diagonal	114723128.32848

Cube

Length = n

Surface area	39484188520416024
Volume	5.3383611300455E+23
Space diagonal	140506563.0503

Equilateral Triangle

Length = n

Perimeter	243364506
Area	2.8495258588745E+15
Altitude	70253281.52515

Triangular Pyramid

Length = n

Surface area	2.8495258588745E+15
Volume	6.2913189257964E+22
Height	38241042.776159