81462020 (number)

81462020 is an even 8-digits composite number following 81462019 and preceding 81462021. In scientific notation, it is written as 8.1462020 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors. There are 32584800 positive integers (up to 81462020) that are relatively prime to 81462020.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred sixty-two thousand twenty

Notation

Scientific notation 8.1462020 × 10^7
Engineering notation 8.1462020 × 10^6

Prime Factorization of 81462020

Prime Factorization 2 × 2 × 5 × 4073101

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40731010
Product of the distinct prime numbers

The prime factorization of 81462020 is 2 × 2 × 5 × 4073101. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 5, 32, 34, 129, 596, 33, 5326, 41719, 6052, 673340, 376188, 1485445, 8966043, 33048875, 92817761, 450410883, 683780949, 4579322713, 9152511081

Basic calculations (n = 81462020)

Multiplication

n×y
n×2 162924040
n×3 244386060
n×4 325848080
n×5 407310100

Division

n÷y
n÷2 40731010
n÷3 27154006.666667
n÷3 20365505
n÷5 16292404

Exponentiation

ny
n2 6636060702480400
n3 5.4058690966667E+23
n4 4.4037301647005E+31
n5 3.5873675475143E+39

Nth Root

y√n
2√n 9025.6312798607
3√n 433.49596394043
4√n 95.003322467484
5√n 38.211231528373

Divisors of 81462020

1, 2, 4, 5, 10, 20, 4073101, 8146202, 16292404, 20365505, 40731010, 81462020

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81462019
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81462020 can be divided by 12 positive divisors. The sum of these divisors (counting 81462020) is 1, the average is 0.083333333333333.

Base conversion 81462020

Base System Value
2 Binary 100110110110000001100000100
3 Ternary 12200021200212212
4 Quaternary 10312300030010
5 Quinary 131323241040
6 Senary 12030002552
8 Octal 466601404
10 Decimal 81462020
12 Duodecimal 23346458
16 Hexadecimal 4db0304
20 Vigesimal 1592f10
36 Base36 1ci0hw

Cryptographic Hash Functions

md5 4b0f9c2b125dd927805f7013d539a5ee
sha1 d8370cc88332cbfb45c60b090a3a7ddd152de21e
sha256 14c32d7f6332d716ceee11cb606f54da7a6fb9d65762ee64c3ad79f275251ec2
sha512 7d85e5cc622423dcebd0d51658750061ccee38099b072ae562320b8b66a693fb4a033801d8bcf2aec7f560741df19b4e043de0d799cc583ae54bca8009bfa414
ripemd-160 c0336d74da293e1545743c9a41aa8f2ec9218ba9

81462020 as geometric shapes

Circle

Radius = n
Diameter 162924040
Circumference 511840967.15717
Area 2.0847799551688E+16

Sphere

Radius = n
Volume 2.2644051520475E+24
Surface area 8.3391198206753E+16
Circumference 511840967.15717

Square

Length = n
Perimeter 325848080
Area 6636060702480400
Diagonal 115204693.50231

Cube

Length = n
Surface area 39816364214882400
Volume 5.4058690966667E+23
Space diagonal 141096357.52719

Equilateral Triangle

Length = n
Perimeter 244386060
Area 2.8734985747018E+15
Altitude 70548178.763596

Triangular Pyramid

Length = n
Surface area 2.8734985747018E+15
Volume 6.3708778274331E+22
Height 38401564.500769