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

82661991 (number)

82661991 is an odd 8-digits composite number following 82661990 and preceding 82661992. In scientific notation, it is written as 8.2661991 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 55107992 positive integers (up to 82661991) that are relatively prime to 82661991.

Interesting facts

82661991 has 4 divisors, whose sum is 110215992
The reverse of 82661991 is 19916628
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

Name	eighty-two million six hundred sixty-one thousand nine hundred ninety-one

Notation

Scientific notation	8.2661991 × 10^7
Engineering notation	8.2661991 × 10^6

Prime Factorization of 82661991

Prime Factorization 3 × 27553997

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	82661991	Product of the distinct prime numbers

The prime factorization of 82661991 is 3 × 27553997. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 5, 27, 37, 602, 392, 1594, 8165, 48729, 33012, 552668, 983308, 2308336, 6181299, 46291780, 43466179, 148989613, 517488262, 380250316, 8890495272

Basic calculations (n = 82661991)

Multiplication

n×y

n×2	165323982
n×3	247985973
n×4	330647964
n×5	413309955

Division

n÷y

n÷2	41330995.5
n÷3	27553997
n÷3	20665497.75
n÷5	16532398.2

Exponentiation

n^y

n²	6833004756084081
n³	5.6482977765038E+23
n⁴	4.6689953996668E+31
n⁵	3.859484557063E+39

Nth Root

^y√n

²√n	9091.8640003027
³√n	435.61412531424
⁴√n	95.351266380173
⁵√n	38.323147641061

Divisors of 82661991

1, 3, 27553997, 82661991

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	-82661990	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 82661991 can be divided by 4 positive divisors. The sum of these divisors (counting 82661991) is 1, the average is 0.25.

Base conversion 82661991

Base	System	Value
2	Binary	100111011010101001001100111
3	Ternary	12202112122221020
4	Quaternary	10323111021213
5	Quinary	132130140431
6	Senary	12111422223
8	Octal	473251147
10	Decimal	82661991
12	Duodecimal	23824973
16	Hexadecimal	4ed5267
20	Vigesimal	15gcejb
36	Base36	1d7qef

Cryptographic Hash Functions

md5	ff78a020b49a7f4dfa3d46ad4467406f
sha1	ed1f5cb7ece349598723bba82555f294c6c5880c
sha256	e2a3d56543fb9d056068a576e9c314e76ef68cd2e33d34ae6956ed1d4cb722e5
sha512	733232425810430edbffb818d7ff8e3d6ce46668b38fd9e616d20e043c01683395b68b055d1774f2e21e7236924fe83b2cf04658bf2ab8370e7a17c4bf930e30
ripemd-160	61315d0bad3d1eca140452876fa44d08d911c728

82661991 as geometric shapes

Circle

Radius = n

Diameter	165323982
Circumference	519380607.31341
Area	2.1466517543658E+16

Sphere

Radius = n

Volume	2.3659534399936E+24
Surface area	8.5866070174631E+16
Circumference	519380607.31341

Square

Length = n

Perimeter	330647964
Area	6833004756084081
Diagonal	116901708.76496

Cube

Length = n

Surface area	40998028536504486
Volume	5.6482977765038E+23
Space diagonal	143174768.2668

Equilateral Triangle

Length = n

Perimeter	247985973
Area	2.9587778514744E+15
Altitude	71587384.133401

Triangular Pyramid

Length = n

Surface area	2.9587778514744E+15
Volume	6.6565827665446E+22
Height	38967236.254988