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

81289413 (number)

81289413 is an odd 8-digits composite number following 81289412 and preceding 81289414. In scientific notation, it is written as 8.1289413 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 53870400 positive integers (up to 81289413) that are relatively prime to 81289413.

Interesting facts

81289413 has 8 divisors, whose sum is 82782936
The reverse of 81289413 is 31498218
Previous prime number is 173

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9

Name

Name	eighty-one million two hundred eighty-nine thousand four hundred thirteen

Notation

Scientific notation	8.1289413 × 10^7
Engineering notation	8.1289413 × 10^6

Prime Factorization of 81289413

Prime Factorization 81 × 173 × 5801

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81289413	Product of the distinct prime numbers

The prime factorization of 81289413 is 81 × 173 × 5801. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 6, 71, 25, 204, 982, 8935, 9489, 47834, 41333, 843681, 732304, 63115, 1129609, 48613564, 86718375, 58655183, 936881992, 3586224539, 203150017

Basic calculations (n = 81289413)

Multiplication

n×y

n×2	162578826
n×3	243868239
n×4	325157652
n×5	406447065

Division

n÷y

n÷2	40644706.5
n÷3	27096471
n÷3	20322353.25
n÷5	16257882.6

Exponentiation

n^y

n²	6607968665884569
n³	5.3715789397215E+23
n⁴	4.3665249889312E+31
n⁵	3.5495225320005E+39

Nth Root

^y√n

²√n	9016.0641634806
³√n	433.18957433799
⁴√n	94.952957634192
⁵√n	38.195024900625

Divisors of 81289413

1, 81, 173, 5801, 14013, 469881, 1003573, 81289413

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	-81289412	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 81289413 can be divided by 8 positive divisors. The sum of these divisors (counting 81289413) is 1, the average is 0.125.

Base conversion 81289413

Base	System	Value
2	Binary	100110110000110000011000101
3	Ternary	12122221221010000
4	Quaternary	10312012003011
5	Quinary	131302230123
6	Senary	12022151513
8	Octal	466060305
10	Decimal	81289413
12	Duodecimal	23282599
16	Hexadecimal	4d860c5
20	Vigesimal	15813ad
36	Base36	1cebb9

Cryptographic Hash Functions

md5	e07e3753080036b4564081577dd53b87
sha1	33beaf5c2ea966ebe0225fc5006148a152140c9b
sha256	21c83d1f99864b062107cd2ab3aaf11955c5250fa81839cbb932948b33f1b66c
sha512	cd6a17ee00bebcb631194622312d3aa70fdc05b23a9f53e2a670c17d94d5dbfc74dcad40e0e892d82d3caadc89148a22bf642eb7ce4e3a51e5285375e7d2f8dc
ripemd-160	e39410590e2d17b1a42440a7e79becf517b141a9

81289413 as geometric shapes

Circle

Radius = n

Diameter	162578826
Circumference	510756445.39085
Area	2.0759545815895E+16

Sphere

Radius = n

Volume	2.2500417246942E+24
Surface area	8.3038183263578E+16
Circumference	510756445.39085

Square

Length = n

Perimeter	325157652
Area	6607968665884569
Diagonal	114960590.34195

Cube

Length = n

Surface area	39647811995307414
Volume	5.3715789397215E+23
Space diagonal	140797393.43345

Equilateral Triangle

Length = n

Perimeter	243868239
Area	2.8613343660338E+15
Altitude	70398696.716725

Triangular Pyramid

Length = n

Surface area	2.8613343660338E+15
Volume	6.3304664899265E+22
Height	38320196.780649