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

81421337 (number)

81421337 is an odd 8-digits composite number following 81421336 and preceding 81421338. In scientific notation, it is written as 8.1421337 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 81226596 positive integers (up to 81421337) that are relatively prime to 81421337.

Interesting facts

81421337 has 4 divisors, whose sum is 81616080
The reverse of 81421337 is 73312418
Previous prime number is 419

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	eighty-one million four hundred twenty-one thousand three hundred thirty-seven

Notation

Scientific notation	8.1421337 × 10^7
Engineering notation	8.1421337 × 10^6

Prime Factorization of 81421337

Prime Factorization 419 × 194323

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81421337	Product of the distinct prime numbers

The prime factorization of 81421337 is 419 × 194323. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 3, 34, 1, 271, 55, 6005, 1248, 44820, 46439, 22753, 613463, 4371519, 3770249, 29494460, 80516434, 213090869, 355915856, 4571490676, 6256618653

Basic calculations (n = 81421337)

Multiplication

n×y

n×2	162842674
n×3	244264011
n×4	325685348
n×5	407106685

Division

n÷y

n÷2	40710668.5
n÷3	27140445.666667
n÷3	20355334.25
n÷5	16284267.4

Exponentiation

n^y

n²	6629434118867569
n³	5.3977738951161E+23
n⁴	4.3949396736405E+31
n⁵	3.5784186426216E+39

Nth Root

^y√n

²√n	9023.3772502318
³√n	433.42378775751
⁴√n	94.99145882779
⁵√n	38.207414146559

Divisors of 81421337

1, 419, 194323, 81421337

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81421336	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81421337 can be divided by 4 positive divisors. The sum of these divisors (counting 81421337) is 1, the average is 0.25.

Base conversion 81421337

Base	System	Value
2	Binary	100110110100110010000011001
3	Ternary	12200012122002002
4	Quaternary	10312212100121
5	Quinary	131320440322
6	Senary	12025050345
8	Octal	466462031
10	Decimal	81421337
12	Duodecimal	233269b5
16	Hexadecimal	4da6419
20	Vigesimal	158hd6h
36	Base36	1ch53t

Cryptographic Hash Functions

md5	fbf20960131959ac29b1c91456860d96
sha1	6d2f831db87dcd2a71270636648e4edc2e910374
sha256	3c076a8364abffc88583c080ee4a14c7972014bcc007399ed04f9e72f3b98a74
sha512	ef56fc9cf78dfde0f220d55fff547abc4fd335ab3f3fbeffdfa814faeb410d14b46e7a4dc227c1d125ca148ce1c8e0712c0c3e0a09add140a8d237e7fa593062
ripemd-160	6c83f66aafd9e34a724218ada19a4cea0de2b3f5

81421337 as geometric shapes

Circle

Radius = n

Diameter	162842674
Circumference	511585348.32932
Area	2.0826981525292E+16

Sphere

Radius = n

Volume	2.2610142419514E+24
Surface area	8.3307926101168E+16
Circumference	511585348.32932

Square

Length = n

Perimeter	325685348
Area	6629434118867569
Diagonal	115147159.05195

Cube

Length = n

Surface area	39776604713205414
Volume	5.3977738951161E+23
Space diagonal	141025892.50419

Equilateral Triangle

Length = n

Perimeter	244264011
Area	2.8706291798273E+15
Altitude	70512946.252094

Triangular Pyramid

Length = n

Surface area	2.8706291798273E+15
Volume	6.3613375409139E+22
Height	38382386.35065