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

81444998 (number)

81444998 is an even 8-digits composite number following 81444997 and preceding 81444999. In scientific notation, it is written as 8.1444998 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 39408840 positive integers (up to 81444998) that are relatively prime to 81444998.

Interesting facts

81444998 has 8 divisors, whose sum is 126108480
The reverse of 81444998 is 89944418
Previous prime number is 31

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2

Name

Name	eighty-one million four hundred forty-four thousand nine hundred ninety-eight

Notation

Scientific notation	8.1444998 × 10^7
Engineering notation	8.1444998 × 10^6

Prime Factorization of 81444998

Prime Factorization 2 × 31 × 1313629

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81444998	Product of the distinct prime numbers

The prime factorization of 81444998 is 2 × 31 × 1313629. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 2, 21, 56, 455, 999, 6547, 6198, 93816, 24648, 887960, 532156, 2570805, 5630694, 49606775, 26685769, 66019568, 530076420, 2344307521, 7953759897

Basic calculations (n = 81444998)

Multiplication

n×y

n×2	162889996
n×3	244334994
n×4	325779992
n×5	407224990

Division

n÷y

n÷2	40722499
n÷3	27148332.666667
n÷3	20361249.5
n÷5	16288999.6

Exponentiation

n^y

n²	6633287699220004
n³	5.402481033964E+23
n⁴	4.4000505700623E+31
n⁵	3.5836210987863E+39

Nth Root

^y√n

²√n	9024.6882494632
³√n	433.46576793695
⁴√n	94.998359193532
⁵√n	38.209634499586

Divisors of 81444998

1, 2, 31, 62, 1313629, 2627258, 40722499, 81444998

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	-81444997	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 81444998 can be divided by 8 positive divisors. The sum of these divisors (counting 81444998) is 1, the average is 0.125.

Base conversion 81444998

Base	System	Value
2	Binary	100110110101100000010000110
3	Ternary	12200020211112102
4	Quaternary	10312230002012
5	Quinary	131322214443
6	Senary	12025352102
8	Octal	466540206
10	Decimal	81444998
12	Duodecimal	23338632
16	Hexadecimal	4dac086
20	Vigesimal	1590c9i
36	Base36	1chnd2

Cryptographic Hash Functions

md5	6cec3fac65dd7fa08defdc95e334762a
sha1	5003ce279af44289234af307b26a0861ebb91678
sha256	78dd0bd2ce29a154ed285d1448c0d09550b975a2c88e316c7994fbb1480eb988
sha512	368d83d0e3d6526fca444b4916cd7bd4d4d211694810242b38bca3abb8689928740ee22e3ce4a2141f8dce2aca8f20d816db687cb6cf6ffded241332b0259ead
ripemd-160	b2462b94c8f7213980cbfcae53230a09576732c0

81444998 as geometric shapes

Circle

Radius = n

Diameter	162889996
Circumference	511734014.77687
Area	2.0839087905017E+16

Sphere

Radius = n

Volume	2.2629859636613E+24
Surface area	8.3356351620068E+16
Circumference	511734014.77687

Square

Length = n

Perimeter	325779992
Area	6633287699220004
Diagonal	115180620.75905

Cube

Length = n

Surface area	39799726195320024
Volume	5.402481033964E+23
Space diagonal	141066874.55835

Equilateral Triangle

Length = n

Perimeter	244334994
Area	2.8722978290677E+15
Altitude	70533437.279173

Triangular Pyramid

Length = n

Surface area	2.8722978290677E+15
Volume	6.3668849572461E+22
Height	38393540.253017