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

81071497 (number)

81071497 is an odd 8-digits composite number following 81071496 and preceding 81071498. In scientific notation, it is written as 8.1071497 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 74833200 positive integers (up to 81071497) that are relatively prime to 81071497.

Interesting facts

81071497 has 8 divisors, whose sum is 87826760
The reverse of 81071497 is 79417018
Previous prime number is 169

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	eighty-one million seventy-one thousand four hundred ninety-seven

Notation

Scientific notation	8.1071497 × 10^7
Engineering notation	8.1071497 × 10^6

Prime Factorization of 81071497

Prime Factorization 13 × 169 × 36901

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81071497	Product of the distinct prime numbers

The prime factorization of 81071497 is 13 × 169 × 36901. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 4, 97, 99, 816, 837, 114, 257, 30080, 52862, 406357, 938111, 1059505, 7086749, 70604061, 90669090, 264210149, 294955559, 2142244878, 9532600239

Basic calculations (n = 81071497)

Multiplication

n×y

n×2	162142994
n×3	243214491
n×4	324285988
n×5	405357485

Division

n÷y

n÷2	40535748.5
n÷3	27023832.333333
n÷3	20267874.25
n÷5	16214299.4

Exponentiation

n^y

n²	6572587625821009
n³	5.3284951798899E+23
n⁴	4.3198908099095E+31
n⁵	3.5022001483591E+39

Nth Root

^y√n

²√n	9003.9711794297
³√n	432.80213799692
⁴√n	94.889257450091
⁵√n	38.174524699728

Divisors of 81071497

1, 13, 169, 2197, 36901, 479713, 6236269, 81071497

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	-81071496	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 81071497 can be divided by 8 positive divisors. The sum of these divisors (counting 81071497) is 1, the average is 0.125.

Base conversion 81071497

Base	System	Value
2	Binary	100110101010000110110001001
3	Ternary	12122112212012001
4	Quaternary	10311100312021
5	Quinary	131223241442
6	Senary	12013351001
8	Octal	465206611
10	Decimal	81071497
12	Duodecimal	23198461
16	Hexadecimal	4d50d89
20	Vigesimal	156dieh
36	Base36	1c9n61

Cryptographic Hash Functions

md5	f40f2bee6ec0b38238e1fb6be0923c63
sha1	d835a7209a7469d563ef6221bd154ab06e0201b4
sha256	eaa4c2a96b067a8a47336dd969364ff9f0ab9eda040c4c9fc026678440541cdc
sha512	3725a10f6f2e5e86465130df62d7faad88a4e608c7af400e59ec03c8ba021804eaaa1ffb28c6e97ab28bdc7b26d4de8e5baec8e7964d4a115a8a3204ba3ddad4
ripemd-160	00c2b72d2fec920be177341d7cd88eb145085cb0

81071497 as geometric shapes

Circle

Radius = n

Diameter	162142994
Circumference	509387238.78145
Area	2.0648393000354E+16

Sphere

Radius = n

Volume	2.2319948415774E+24
Surface area	8.2593572001418E+16
Circumference	509387238.78145

Square

Length = n

Perimeter	324285988
Area	6572587625821009
Diagonal	114652410.57929

Cube

Length = n

Surface area	39435525754926054
Volume	5.3284951798899E+23
Space diagonal	140419951.84967

Equilateral Triangle

Length = n

Perimeter	243214491
Area	2.8460139262801E+15
Altitude	70209975.924834

Triangular Pyramid

Length = n

Surface area	2.8460139262801E+15
Volume	6.2796917920332E+22
Height	38217470.193097