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

81332021 (number)

81332021 is an odd 8-digits prime number following 81332020 and preceding 81332022. In scientific notation, it is written as 8.1332021 × 10^7. The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors. There are 81332020 positive integers (up to 81332021) that are relatively prime to 81332021.

Interesting facts

81332021 has 2 divisors, whose sum is 81332022
The reverse of 81332021 is 12023318
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

Name	eighty-one million three hundred thirty-two thousand twenty-one

Notation

Scientific notation	8.1332021 × 10^7
Engineering notation	8.1332021 × 10^6

Prime Factorization of 81332021

Prime Factorization 81332021

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	81332021	Product of the distinct prime numbers

The prime factorization of 81332021 is 81332021. Since it has a total of 1 prime factors.

Most popular turbo-numbers

5, 3, 100, 2, 471, 834, 8770, 3391, 61165, 78210, 943287, 290923, 9760614, 901243, 41930398, 77945106, 670765698, 3839504, 3725188035, 1308985174

Basic calculations (n = 81332021)

Multiplication

n×y

n×2	162664042
n×3	243996063
n×4	325328084
n×5	406660105

Division

n÷y

n÷2	40666010.5
n÷3	27110673.666667
n÷3	20333005.25
n÷5	16266404.2

Exponentiation

n^y

n²	6614897639944441
n³	5.3800299376481E+23
n⁴	4.3756870786943E+31
n⁵	3.5588347337379E+39

Nth Root

^y√n

²√n	9018.4267474987
³√n	433.26524683057
⁴√n	94.965397632499
⁵√n	38.199028060356

Divisors of 81332021

1, 81332021

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	81332022	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	40666011	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	9018.4268029407	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999754094	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81332021 can be divided by 2 positive divisors. The sum of these divisors (counting 81332021) is 81332022, the average is 40666011.

Base conversion 81332021

Base	System	Value
2	Binary	100110110010000011100110101
3	Ternary	12200001002120002
4	Quaternary	10312100130311
5	Quinary	131310111041
6	Senary	12023121045
8	Octal	466203465
10	Decimal	81332021
12	Duodecimal	232a3185
16	Hexadecimal	4d90735
20	Vigesimal	1586a11
36	Base36	1cf86t

Cryptographic Hash Functions

md5	c1b99fa76079a68fe63844facb391d89
sha1	f211962102d28663de2e50885a32461419da8ae1
sha256	1094481629eb2d3326ad5f225e6cb06dd4e68bb5f221e8973333d29dc03108f1
sha512	7d4e2fefbaf118fcaa7ffdb0b7b9260cb5ffc90191ab87d3daa4f31750ec1273f6913c4fbbef486c1242b73f78648cb098232117230160f27a7655d5f0150102
ripemd-160	4e5f7d35d27233214e6d689ab55dbf12f1908997

81332021 as geometric shapes

Circle

Radius = n

Diameter	162664042
Circumference	511024159.35042
Area	2.0781313829898E+16

Sphere

Radius = n

Volume	2.2535816704278E+24
Surface area	8.3125255319592E+16
Circumference	511024159.35042

Square

Length = n

Perimeter	325328084
Area	6614897639944441
Diagonal	115020847.15341

Cube

Length = n

Surface area	39689385839666646
Volume	5.3800299376481E+23
Space diagonal	140871192.65426

Equilateral Triangle

Length = n

Perimeter	243996063
Area	2.8643346998128E+15
Altitude	70435596.327129

Triangular Pyramid

Length = n

Surface area	2.8643346998128E+15
Volume	6.340426086496E+22
Height	38340282.384471