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

81013558 (number)

81013558 is an even 8-digits composite number following 81013557 and preceding 81013559. In scientific notation, it is written as 8.1013558 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 40506778 positive integers (up to 81013558) that are relatively prime to 81013558.

Interesting facts

81013558 has 4 divisors, whose sum is 121520340
The reverse of 81013558 is 85531018
Previous prime number is 2

Basic properties

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

Name

Name	eighty-one million thirteen thousand five hundred fifty-eight

Notation

Scientific notation	8.1013558 × 10^7
Engineering notation	8.1013558 × 10^6

Prime Factorization of 81013558

Prime Factorization 2 × 40506779

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81013558	Product of the distinct prime numbers

The prime factorization of 81013558 is 2 × 40506779. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 4, 66, 71, 315, 114, 2704, 1226, 94972, 79419, 334470, 648505, 6967880, 4364530, 85399588, 24989505, 847443451, 118444972, 327818026, 7133440627

Basic calculations (n = 81013558)

Multiplication

n×y

n×2	162027116
n×3	243040674
n×4	324054232
n×5	405067790

Division

n÷y

n÷2	40506779
n÷3	27004519.333333
n÷3	20253389.5
n÷5	16202711.6

Exponentiation

n^y

n²	6563196579819364
n³	5.317079067846E+23
n⁴	4.3075549345353E+31
n⁵	3.4897035152716E+39

Nth Root

^y√n

²√n	9000.7531907058
³√n	432.69901051046
⁴√n	94.872299385573
⁵√n	38.169066736284

Divisors of 81013558

1, 2, 40506779, 81013558

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	-81013557	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 81013558 can be divided by 4 positive divisors. The sum of these divisors (counting 81013558) is 1, the average is 0.25.

Base conversion 81013558

Base	System	Value
2	Binary	100110101000010101100110110
3	Ternary	12122102220201011
4	Quaternary	10311002230312
5	Quinary	131214413213
6	Senary	12012222434
8	Octal	465025466
10	Decimal	81013558
12	Duodecimal	2316aa1a
16	Hexadecimal	4d42b36
20	Vigesimal	1566dhi
36	Base36	1c8egm

Cryptographic Hash Functions

md5	4f8da69a5bacbedb99f55ed94e7090f4
sha1	859c1a4b403819318f3c753413110b6f373363ae
sha256	713e89ad47eaa36cb8169beeeef63380c6df251ccb66ae9affb538617a1fc9aa
sha512	80e1d8ad269b904f9b8a65458b43d56f3728996fc734652a9c2534f7ff33a06750f17c2ec4d15018457e6fcc3ff3eb40b6cb939f28e8e084178531f5cf52dc1b
ripemd-160	0fbc10471304486f9a2b64c5d1f292dfbbaa9d03

81013558 as geometric shapes

Circle

Radius = n

Diameter	162027116
Circumference	509023197.30794
Area	2.0618890159226E+16

Sphere

Radius = n

Volume	2.2272128717468E+24
Surface area	8.2475560636905E+16
Circumference	509023197.30794

Square

Length = n

Perimeter	324054232
Area	6563196579819364
Diagonal	114570472.4597

Cube

Length = n

Surface area	39379179478916184
Volume	5.317079067846E+23
Space diagonal	140319598.55793

Equilateral Triangle

Length = n

Perimeter	243040674
Area	2.8419474840774E+15
Altitude	70159799.278964

Triangular Pyramid

Length = n

Surface area	2.8419474840774E+15
Volume	6.2662377749649E+22
Height	38190157.486566