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

81274087 (number)

81274087 is an odd 8-digits composite number following 81274086 and preceding 81274088. In scientific notation, it is written as 8.1274087 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 81218016 positive integers (up to 81274087) that are relatively prime to 81274087.

Interesting facts

81274087 has 4 divisors, whose sum is 81330160
The reverse of 81274087 is 78047218
Previous prime number is 1489

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	eighty-one million two hundred seventy-four thousand eighty-seven

Notation

Scientific notation	8.1274087 × 10^7
Engineering notation	8.1274087 × 10^6

Prime Factorization of 81274087

Prime Factorization 1489 × 54583

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81274087	Product of the distinct prime numbers

The prime factorization of 81274087 is 1489 × 54583. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 9, 28, 58, 854, 91, 6512, 7987, 42565, 4087, 12438, 875694, 7958384, 6263085, 262819, 13985, 256725427, 653870817, 5363760842, 6100315057

Basic calculations (n = 81274087)

Multiplication

n×y

n×2	162548174
n×3	243822261
n×4	325096348
n×5	406370435

Division

n÷y

n÷2	40637043.5
n÷3	27091362.333333
n÷3	20318521.75
n÷5	16254817.4

Exponentiation

n^y

n²	6605477217683569
n³	5.3685413006653E+23
n⁴	4.3632329273337E+31
n⁵	3.5461777253738E+39

Nth Root

^y√n

²√n	9015.2141960133
³√n	433.16234864955
⁴√n	94.948481799412
⁵√n	38.193584562748

Divisors of 81274087

1, 1489, 54583, 81274087

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	-81274086	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 81274087 can be divided by 4 positive divisors. The sum of these divisors (counting 81274087) is 1, the average is 0.25.

Base conversion 81274087

Base	System	Value
2	Binary	100110110000010010011100111
3	Ternary	12122221011002101
4	Quaternary	10312002103213
5	Quinary	131301232322
6	Senary	12021552531
8	Octal	466022347
10	Decimal	81274087
12	Duodecimal	23275747
16	Hexadecimal	4d824e7
20	Vigesimal	157j547
36	Base36	1cdzhj

Cryptographic Hash Functions

md5	d04834d1a8665c94f9c709d4c260aeeb
sha1	5033b79afb9239a1145f3814cab8274d633ebdf6
sha256	f41b02455cba3a900db1057ede4454f9059f67f1613e46e904286eadf876e891
sha512	4ea6801306c31afe6a01dd4fc552594a58004b6b59265a0855c3e2b6509ebe5789073eeef6a5cd3bea4aa19eabba5a00086dafcbfed415ebfe842651ba2977fd
ripemd-160	3c297822cabc91d6d967f02e88023612c6286a35

81274087 as geometric shapes

Circle

Radius = n

Diameter	162548174
Circumference	510660149.29284
Area	2.0751718700529E+16

Sphere

Radius = n

Volume	2.2487693214218E+24
Surface area	8.3006874802118E+16
Circumference	510660149.29284

Square

Length = n

Perimeter	325096348
Area	6605477217683569
Diagonal	114938916.10489

Cube

Length = n

Surface area	39632863306101414
Volume	5.3685413006653E+23
Space diagonal	140770848.02277

Equilateral Triangle

Length = n

Perimeter	243822261
Area	2.8602555373167E+15
Altitude	70385424.011387

Triangular Pyramid

Length = n

Surface area	2.8602555373167E+15
Volume	6.3268865979675E+22
Height	38312972.034964