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

81974489 (number)

81974489 is an odd 8-digits composite number following 81974488 and preceding 81974490. In scientific notation, it is written as 8.1974489 × 10^7. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 81828324 positive integers (up to 81974489) that are relatively prime to 81974489.

Interesting facts

81974489 has 4 divisors, whose sum is 82120656
The reverse of 81974489 is 98447918
Previous prime number is 563

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5

Name

Name	eighty-one million nine hundred seventy-four thousand four hundred eighty-nine

Notation

Scientific notation	8.1974489 × 10^7
Engineering notation	8.1974489 × 10^6

Prime Factorization of 81974489

Prime Factorization 563 × 145603

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81974489	Product of the distinct prime numbers

The prime factorization of 81974489 is 563 × 145603. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 2, 79, 24, 806, 186, 8337, 6701, 80683, 4162, 298271, 826622, 4940557, 6374941, 60518550, 29207531, 30035797, 64684, 5452119289, 1318659039

Basic calculations (n = 81974489)

Multiplication

n×y

n×2	163948978
n×3	245923467
n×4	327897956
n×5	409872445

Division

n÷y

n÷2	40987244.5
n÷3	27324829.666667
n÷3	20493622.25
n÷5	16394897.8

Exponentiation

n^y

n²	6719816846811121
n³	5.5085355219093E+23
n⁴	4.5155938454687E+31
n⁵	3.7016349801384E+39

Nth Root

^y√n

²√n	9053.9764192315
³√n	434.40309021799
⁴√n	95.152385252454
⁵√n	38.259187572885

Divisors of 81974489

1, 563, 145603, 81974489

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	-81974488	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 81974489 can be divided by 4 positive divisors. The sum of these divisors (counting 81974489) is 1, the average is 0.25.

Base conversion 81974489

Base	System	Value
2	Binary	100111000101101010011011001
3	Ternary	12201020201212012
4	Quaternary	10320231103121
5	Quinary	131441140424
6	Senary	12044555305
8	Octal	470552331
10	Decimal	81974489
12	Duodecimal	23552b35
16	Hexadecimal	4e2d4d9
20	Vigesimal	15c6g49
36	Base36	1cszx5

Cryptographic Hash Functions

md5	70f372452deba265367751ebda31a55e
sha1	8464533a45f369149fc42b824dc26dbf11e9f9da
sha256	f56a94d45614e63427140816928bfd63793e2b6141d4ac909ddeb156633d0ed8
sha512	c66f2ec33a10db607c58f57ec9c1ffd504fc21f09902d96032704ee3d77ad13dc23f62ae80c309f46e006f2208564b61299352a526a26cb2eb8f1377d86f51ff
ripemd-160	0e4923e078aae2551ed33cb6dfb24fea190ee733

81974489 as geometric shapes

Circle

Radius = n

Diameter	163948978
Circumference	515060904.84835
Area	2.1110927239411E+16

Sphere

Radius = n

Volume	2.3074099636892E+24
Surface area	8.4443708957643E+16
Circumference	515060904.84835

Square

Length = n

Perimeter	327897956
Area	6719816846811121
Diagonal	115929434.1124

Cube

Length = n

Surface area	40318901080866726
Volume	5.5085355219093E+23
Space diagonal	141983979.8725

Equilateral Triangle

Length = n

Perimeter	245923467
Area	2.9097660490585E+15
Altitude	70991989.936248

Triangular Pyramid

Length = n

Surface area	2.9097660490585E+15
Volume	6.4918713699151E+22
Height	38643144.704135