81402610 (number)

81402610 is an even 8-digits composite number following 81402609 and preceding 81402611. In scientific notation, it is written as 8.1402610 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 32561040 positive integers (up to 81402610) that are relatively prime to 81402610.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred two thousand six hundred ten

Notation

Scientific notation 8.1402610 × 10^7
Engineering notation 8.1402610 × 10^6

Prime Factorization of 81402610

Prime Factorization 2 × 5 × 8140261

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81402610
Product of the distinct prime numbers

The prime factorization of 81402610 is 2 × 5 × 8140261. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81402610)

Multiplication

n×y
n×2 162805220
n×3 244207830
n×4 325610440
n×5 407013050

Division

n÷y
n÷2 40701305
n÷3 27134203.333333
n÷3 20350652.5
n÷5 16280522

Exponentiation

ny
n2 6626384914812100
n3 5.3940502693033E+23
n4 4.3908977039249E+31
n5 3.574305333425E+39

Nth Root

y√n
2√n 9022.3394970484
3√n 433.39055588841
4√n 94.985996320765
5√n 38.20565643511

Divisors of 81402610

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 -81402609
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 81402610 can be divided by 8 positive divisors. The sum of these divisors (counting 81402610) is 1, the average is 0.125.

Base conversion 81402610

Base System Value
2 Binary 100110110100001101011110010
3 Ternary 12200011200101111
4 Quaternary 10312201223302
5 Quinary 131314340420
6 Senary 12024423534
8 Octal 466415362
10 Decimal 81402610
12 Duodecimal 23317baa
16 Hexadecimal 4da1af2
20 Vigesimal 158f6aa
36 Base36 1cgqnm

Cryptographic Hash Functions

md5 78362f7d45aa3d3aee46e3e4e43b918a
sha1 d8fa79918f02b99b7ceb3c62033de487b5ca381d
sha256 c21ecce9a926fbf5305ed5b9b70477c9cdbb192d406eb59d1243c565a6fda5a3
sha512 c08b68dc19c53df94a1c510eb34cc64cdbc07748fcbdd3f604fcde657e8d4cd1c6a27dc51918c927a2068657d736e13dcd9286c791745444c7d3442cb0b9f8f8
ripemd-160 2b95c6630cb67119c73c3f807b9110a58f3391ff

81402610 as geometric shapes

Circle

Radius = n
Diameter 162805220
Circumference 511467683.11807
Area 2.0817402168232E+16

Sphere

Radius = n
Volume 2.2594544932183E+24
Surface area 8.3269608672928E+16
Circumference 511467683.11807

Square

Length = n
Perimeter 325610440
Area 6626384914812100
Diagonal 115120675.07457

Cube

Length = n
Surface area 39758309488872600
Volume 5.3940502693033E+23
Space diagonal 140993456.38871

Equilateral Triangle

Length = n
Perimeter 244207830
Area 2.8693088357406E+15
Altitude 70496728.194357

Triangular Pyramid

Length = n
Surface area 2.8693088357406E+15
Volume 6.3569492058092E+22
Height 38373558.358189