81013556 (number)

81013556 is an even 8-digits composite number following 81013555 and preceding 81013557. In scientific notation, it is written as 8.1013556 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors. There are 36862560 positive integers (up to 81013556) that are relatively prime to 81013556.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1013556 × 10^7
Engineering notation 8.1013556 × 10^6

Prime Factorization of 81013556

Prime Factorization 2 × 2 × 13 × 71 × 21943

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40506778
Product of the distinct prime numbers

The prime factorization of 81013556 is 2 × 2 × 13 × 71 × 21943. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 10, 97, 45, 444, 906, 1912, 9949, 39783, 29538, 805927, 858075, 8311852, 8925329, 52242096, 5910803, 681795638, 348429296, 7455824885, 540440549

Basic calculations (n = 81013556)

Multiplication

n×y
n×2 162027112
n×3 243040668
n×4 324054224
n×5 405067780

Division

n÷y
n÷2 40506778
n÷3 27004518.666667
n÷3 20253389
n÷5 16202711.2

Exponentiation

ny
n2 6563196255765136
n3 5.3170786740542E+23
n4 4.3075545091689E+31
n5 3.4897030845161E+39

Nth Root

y√n
2√n 9000.753079604
3√n 432.69900694975
4√n 94.872298800039
5√n 38.169066547826

Divisors of 81013556

1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 21943, 43886, 87772, 285259, 570518, 1141036, 1557953, 3115906, 6231812, 20253389, 40506778, 81013556

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81013555
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81013556 can be divided by 24 positive divisors. The sum of these divisors (counting 81013556) is 1, the average is 0.041666666666667.

Base conversion 81013556

Base System Value
2 Binary 100110101000010101100110100
3 Ternary 12122102220201002
4 Quaternary 10311002230310
5 Quinary 131214413211
6 Senary 12012222432
8 Octal 465025464
10 Decimal 81013556
12 Duodecimal 2316aa18
16 Hexadecimal 4d42b34
20 Vigesimal 1566dhg
36 Base36 1c8egk

Cryptographic Hash Functions

md5 ad41615e2692a7489feb9a2140b61f12
sha1 3a2e8615a74765a6824cc1af6e0d19fa76f518f7
sha256 49c16592931d59cf14289c3fe31a4a946d7787569278edb7c7124da26f25f349
sha512 84886c56aae5021a114b4d6f3cb26cb038dec889249f978070da6eb3e59477e197a99468a54e4882e9a3877364863c4a836d878c04df018fe226895a4ef67c40
ripemd-160 e96014a641630061022a968f8a315626708f6233

81013556 as geometric shapes

Circle

Radius = n
Diameter 162027112
Circumference 509023184.74157
Area 2.061888914118E+16

Sphere

Radius = n
Volume 2.2272127067957E+24
Surface area 8.2475556564719E+16
Circumference 509023184.74157

Square

Length = n
Perimeter 324054224
Area 6563196255765136
Diagonal 114570469.63127

Cube

Length = n
Surface area 39379177534590816
Volume 5.3170786740542E+23
Space diagonal 140319595.09383

Equilateral Triangle

Length = n
Perimeter 243040668
Area 2.8419473437578E+15
Altitude 70159797.546913

Triangular Pyramid

Length = n
Surface area 2.8419473437578E+15
Volume 6.2662373108768E+22
Height 38190156.543757