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

81972029 (number)

81972029 is an odd 8-digits composite number following 81972028 and preceding 81972030. In scientific notation, it is written as 8.1972029 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 79225200 positive integers (up to 81972029) that are relatively prime to 81972029.

Interesting facts

81972029 has 8 divisors, whose sum is 84725760
The reverse of 81972029 is 92027918
Previous prime number is 1181

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	eighty-one million nine hundred seventy-two thousand twenty-nine

Notation

Scientific notation	8.1972029 × 10^7
Engineering notation	8.1972029 × 10^6

Prime Factorization of 81972029

Prime Factorization 31 × 1181 × 2239

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81972029	Product of the distinct prime numbers

The prime factorization of 81972029 is 31 × 1181 × 2239. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 5, 57, 47, 379, 136, 682, 6345, 99508, 95369, 497644, 34646, 3901696, 4187420, 33877125, 58023359, 541999971, 200161291, 828113266, 2688403889

Basic calculations (n = 81972029)

Multiplication

n×y

n×2	163944058
n×3	245916087
n×4	327888116
n×5	409860145

Division

n÷y

n÷2	40986014.5
n÷3	27324009.666667
n÷3	20493007.25
n÷5	16394405.8

Exponentiation

n^y

n²	6719413538376841
n³	5.5080396143082E+23
n⁴	4.5150518299722E+31
n⁵	3.7010795954298E+39

Nth Root

^y√n

²√n	9053.8405663011
³√n	434.39874479173
⁴√n	95.151671379441
⁵√n	38.258957943564

Divisors of 81972029

1, 31, 1181, 2239, 36611, 69409, 2644259, 81972029

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	-81972028	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 81972029 can be divided by 8 positive divisors. The sum of these divisors (counting 81972029) is 1, the average is 0.125.

Base conversion 81972029

Base	System	Value
2	Binary	100111000101100101100111101
3	Ternary	12201020121111002
4	Quaternary	10320230230331
5	Quinary	131441101104
6	Senary	12044540045
8	Octal	470545475
10	Decimal	81972029
12	Duodecimal	23551625
16	Hexadecimal	4e2cb3d
20	Vigesimal	15c6a19
36	Base36	1csy0t

Cryptographic Hash Functions

md5	33c99713ca0a61f41d89ef36c31d24df
sha1	c5825cc9fce71963fe9a83be7da2da2f5ed2eb23
sha256	ec866a2e46f2e082b1d83501206a1eb0a0bc075d5a7842468fff5328e4fd994e
sha512	a8f28cd14cc3f8f4fda11f600efb98d39f4575c95be85d81b2146f1c1b8090429ae83cbae49a5554c56b591e3eceec3c2472570742a667708268ed8b2616dc54
ripemd-160	2b7a869baf92cb6565f6c69b67029a5c558d9e0b

81972029 as geometric shapes

Circle

Radius = n

Diameter	163944058
Circumference	515045448.2125
Area	2.1109660208596E+16

Sphere

Radius = n

Volume	2.307202238399E+24
Surface area	8.4438640834386E+16
Circumference	515045448.2125

Square

Length = n

Perimeter	327888116
Area	6719413538376841
Diagonal	115925955.14704

Cube

Length = n

Surface area	40316481230261046
Volume	5.5080396143082E+23
Space diagonal	141979719.02751

Equilateral Triangle

Length = n

Perimeter	245916087
Area	2.9095914113837E+15
Altitude	70989859.513755

Triangular Pyramid

Length = n

Surface area	2.9095914113837E+15
Volume	6.4912869372024E+22
Height	38641985.049014