81042612 (number)

81042612 is an even 8-digits composite number following 81042611 and preceding 81042613. In scientific notation, it is written as 8.1042612 × 10^7. The sum of its digits is 24. It has a total of 5 prime factors and 24 positive divisors. There are 23155008 positive integers (up to 81042612) that are relatively prime to 81042612.

Interesting facts

Basic properties

Name

Name eighty-one million forty-two thousand six hundred twelve

Notation

Scientific notation 8.1042612 × 10^7
Engineering notation 8.1042612 × 10^6

Prime Factorization of 81042612

Prime Factorization 2 × 2 × 3 × 7 × 964793

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40521306
Product of the distinct prime numbers

The prime factorization of 81042612 is 2 × 2 × 3 × 7 × 964793. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 10, 91, 71, 576, 980, 1783, 9813, 28008, 64480, 179488, 695999, 7343768, 8769259, 17286940, 72037394, 647916166, 135727500, 2543612925, 7213887588

Basic calculations (n = 81042612)

Multiplication

n×y
n×2 162085224
n×3 243127836
n×4 324170448
n×5 405213060

Division

n÷y
n÷2 40521306
n÷3 27014204
n÷3 20260653
n÷5 16208522.4

Exponentiation

ny
n2 6567904959782544
n3 5.3228017330853E+23
n4 4.3137375560736E+31
n5 3.495965590267E+39

Nth Root

y√n
2√n 9002.367022067
3√n 432.7507308019
4√n 94.880804286573
5√n 38.171804068263

Divisors of 81042612

1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 964793, 1929586, 2894379, 3859172, 5788758, 6753551, 11577516, 13507102, 20260653, 27014204, 40521306, 81042612

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 -81042611
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 81042612 can be divided by 24 positive divisors. The sum of these divisors (counting 81042612) is 1, the average is 0.041666666666667.

Base conversion 81042612

Base System Value
2 Binary 100110101001001110010110100
3 Ternary 12122111101120020
4 Quaternary 10311021302310
5 Quinary 131221330422
6 Senary 12013005140
8 Octal 465116264
10 Decimal 81042612
12 Duodecimal 231837b0
16 Hexadecimal 4d49cb4
20 Vigesimal 156a6ac
36 Base36 1c90vo

Cryptographic Hash Functions

md5 7172a73666f46cb48cbea14a1cc6553b
sha1 22e627df01e6484e8b0f535776a397650af32774
sha256 0b85399e0fb63f6eb921bef8e99d8c9b339e839313ea9cf51936c476e2bd048f
sha512 2c565a639d6fe2620aed734f23f1aa92f1785d87fbe9b7ddae8407cb8181a5979da1128b5b8c71128dfb6eee4267bb257e12dba77e5f8bcc86bacf4d3040b007
ripemd-160 2ba45c203dae11d42f6aaac7e065c6eff27fd52b

81042612 as geometric shapes

Circle

Radius = n
Diameter 162085224
Circumference 509205748.97386
Area 2.0633681971129E+16

Sphere

Radius = n
Volume 2.2296099761568E+24
Surface area 8.2534727884515E+16
Circumference 509205748.97386

Square

Length = n
Perimeter 324170448
Area 6567904959782544
Diagonal 114611561.02054

Cube

Length = n
Surface area 39407429758695264
Volume 5.3228017330853E+23
Space diagonal 140369921.56209

Equilateral Triangle

Length = n
Perimeter 243127836
Area 2.8439862724067E+15
Altitude 70184960.781046

Triangular Pyramid

Length = n
Surface area 2.8439862724067E+15
Volume 6.2729820006269E+22
Height 38203853.673514