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

81409711 (number)

81409711 is an odd 8-digits composite number following 81409710 and preceding 81409712. In scientific notation, it is written as 8.1409711 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 81363232 positive integers (up to 81409711) that are relatively prime to 81409711.

Interesting facts

81409711 has 4 divisors, whose sum is 81456192
The reverse of 81409711 is 11790418
Previous prime number is 1823

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	eighty-one million four hundred nine thousand seven hundred eleven

Notation

Scientific notation	8.1409711 × 10^7
Engineering notation	8.1409711 × 10^6

Prime Factorization of 81409711

Prime Factorization 1823 × 44657

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81409711	Product of the distinct prime numbers

The prime factorization of 81409711 is 1823 × 44657. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 6, 79, 86, 117, 648, 8536, 8378, 27023, 48244, 693914, 404784, 9027476, 9606072, 36566669, 4958136, 894547673, 877608261, 5924011703, 41899670

Basic calculations (n = 81409711)

Multiplication

n×y

n×2	162819422
n×3	244229133
n×4	325638844
n×5	407048555

Division

n÷y

n÷2	40704855.5
n÷3	27136570.333333
n÷3	20352427.75
n÷5	16281942.2

Exponentiation

n^y

n²	6627541045103521
n³	5.3954620112252E+23
n⁴	4.3924300304532E+31
n⁵	3.5758645936692E+39

Nth Root

^y√n

²√n	9022.7330116767
³√n	433.40315751898
⁴√n	94.988067733146
⁵√n	38.206322971233

Divisors of 81409711

1, 1823, 44657, 81409711

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	-81409710	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 81409711 can be divided by 4 positive divisors. The sum of these divisors (counting 81409711) is 1, the average is 0.25.

Base conversion 81409711

Base	System	Value
2	Binary	100110110100011011010101111
3	Ternary	12200012001010111
4	Quaternary	10312203122233
5	Quinary	131320102321
6	Senary	12024520451
8	Octal	466433257
10	Decimal	81409711
12	Duodecimal	23320127
16	Hexadecimal	4da36af
20	Vigesimal	158g45b
36	Base36	1cgw4v

Cryptographic Hash Functions

md5	f35eb330767d39f2d5cc91f3870fdede
sha1	e82395312e152462d49e39980a09e35589c7b1ba
sha256	f5ff5c553cbcf301df1f5dbc10c786d5e3cae99df190e25dda50c7b8a4cbdffe
sha512	ec74e5d487e43416a213ac824157badefa652d80a1c7f338d78e352c92aa764ad4036659d859ae2f5d5e2799eca103fb31c689f7b1f707dd9f7c3bf79b52af7d
ripemd-160	0c2e50c6a675f3243bf07641727fb7dd4096974d

81409711 as geometric shapes

Circle

Radius = n

Diameter	162819422
Circumference	511512300.01694
Area	2.0821034258662E+16

Sphere

Radius = n

Volume	2.2600458422917E+24
Surface area	8.3284137034648E+16
Circumference	511512300.01694

Square

Length = n

Perimeter	325638844
Area	6627541045103521
Diagonal	115130717.40507

Cube

Length = n

Surface area	39765246270621126
Volume	5.3954620112252E+23
Space diagonal	141005755.6815

Equilateral Triangle

Length = n

Perimeter	244229133
Area	2.8698094548419E+15
Altitude	70502877.840749

Triangular Pyramid

Length = n

Surface area	2.8698094548419E+15
Volume	6.3586129596195E+22
Height	38376905.801691