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

81749077 (number)

81749077 is an odd 8-digits composite number following 81749076 and preceding 81749078. In scientific notation, it is written as 8.1749077 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 74947680 positive integers (up to 81749077) that are relatively prime to 81749077.

Interesting facts

81749077 has 8 divisors, whose sum is 88828160
The reverse of 81749077 is 77094718
Previous prime number is 31

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7

Name

Name	eighty-one million seven hundred forty-nine thousand seventy-seven

Notation

Scientific notation	8.1749077 × 10^7
Engineering notation	8.1749077 × 10^6

Prime Factorization of 81749077

Prime Factorization 19 × 31 × 138793

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81749077	Product of the distinct prime numbers

The prime factorization of 81749077 is 19 × 31 × 138793. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 3, 8, 32, 16, 928, 3112, 8084, 45103, 91325, 854772, 813613, 9553927, 2476303, 3174716, 31594349, 742927781, 969722047, 566238634, 6941707890

Basic calculations (n = 81749077)

Multiplication

n×y

n×2	163498154
n×3	245247231
n×4	326996308
n×5	408745385

Division

n÷y

n÷2	40874538.5
n÷3	27249692.333333
n÷3	20437269.25
n÷5	16349815.4

Exponentiation

n^y

n²	6682911590351929
n³	5.4632185418387E+23
n⁴	4.466130732446E+31
n⁵	3.651020651388E+39

Nth Root

^y√n

²√n	9041.5196178519
³√n	434.0045533865
⁴√n	95.08690560667
⁵√n	38.238123504022

Divisors of 81749077

1, 19, 31, 589, 138793, 2637067, 4302583, 81749077

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	-81749076	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 81749077 can be divided by 8 positive divisors. The sum of these divisors (counting 81749077) is 1, the average is 0.125.

Base conversion 81749077

Base	System	Value
2	Binary	100110111110110010001010101
3	Ternary	12200211021122121
4	Quaternary	10313312101111
5	Quinary	131411432302
6	Senary	12040055541
8	Octal	467662125
10	Decimal	81749077
12	Duodecimal	234645b1
16	Hexadecimal	4df6455
20	Vigesimal	15aicdh
36	Base36	1co5zp

Cryptographic Hash Functions

md5	97e1174137add9acf85b37e370913790
sha1	c4acf6c38421421bdf8e56cf0735c41a687749f2
sha256	4cf35561cab278f261750dec3c169b0544a39a9f0f370b79fd69b22601ec33da
sha512	513322d2bb697eee9cf7e764a5d961f98230ac834a1aa753d70999071b0acec08040cfbcb115c07fa89d41f565a244f4da6c381c69549319469de3a4f834e0cf
ripemd-160	fbdb5c539f9e5db546e7d99bb04fd8d073e1e377

81749077 as geometric shapes

Circle

Radius = n

Diameter	163498154
Circumference	513644599.48189
Area	2.099498595684E+16

Sphere

Radius = n

Volume	2.2884276314661E+24
Surface area	8.3979943827359E+16
Circumference	513644599.48189

Square

Length = n

Perimeter	326996308
Area	6682911590351929
Diagonal	115610653.40488

Cube

Length = n

Surface area	40097469542111574
Volume	5.4632185418387E+23
Space diagonal	141593554.83586

Equilateral Triangle

Length = n

Perimeter	245247231
Area	2.8937856042451E+15
Altitude	70796777.41793

Triangular Pyramid

Length = n

Surface area	2.8937856042451E+15
Volume	6.4384647967304E+22
Height	38536884.468294