81472542 (number)

81472542 is an even 8-digits composite number following 81472541 and preceding 81472543. In scientific notation, it is written as 8.1472542 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 25884768 positive integers (up to 81472542) that are relatively prime to 81472542.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred seventy-two thousand five hundred forty-two

Notation

Scientific notation 8.1472542 × 10^7
Engineering notation 8.1472542 × 10^6

Prime Factorization of 81472542

Prime Factorization 2 × 3 × 29 × 79 × 5927

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81472542
Product of the distinct prime numbers

The prime factorization of 81472542 is 2 × 3 × 29 × 79 × 5927. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 6, 49, 99, 325, 766, 2794, 735, 28178, 64342, 289158, 318685, 6943385, 5370546, 90390257, 1786169, 917508116, 17629449, 5583834299, 3881267515

Basic calculations (n = 81472542)

Multiplication

n×y
n×2 162945084
n×3 244417626
n×4 325890168
n×5 407362710

Division

n÷y
n÷2 40736271
n÷3 27157514
n÷3 20368135.5
n÷5 16294508.4

Exponentiation

ny
n2 6637775099941764
n3 5.4079641061656E+23
n4 4.4060058277407E+31
n5 3.5896849485285E+39

Nth Root

y√n
2√n 9026.2141565553
3√n 433.51462723147
4√n 95.006390082748
5√n 38.212218584198

Divisors of 81472542

1, 2, 3, 6, 29, 58, 79, 87, 158, 174, 237, 474, 2291, 4582, 5927, 6873, 11854, 13746, 17781, 35562, 171883, 343766, 468233, 515649, 936466, 1031298, 1404699, 2809398, 13578757, 27157514, 40736271, 81472542

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81472541
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81472542 can be divided by 32 positive divisors. The sum of these divisors (counting 81472542) is 1, the average is 0.03125.

Base conversion 81472542

Base System Value
2 Binary 100110110110010110000011110
3 Ternary 12200022020022120
4 Quaternary 10312302300132
5 Quinary 131324110132
6 Senary 12030123410
8 Octal 466626036
10 Decimal 81472542
12 Duodecimal 23350566
16 Hexadecimal 4db2c1e
20 Vigesimal 1594172
36 Base36 1ci8m6

Cryptographic Hash Functions

md5 e9b72ef94e0d4410c0092a96d4c33e77
sha1 57ed45eb5d216ae51453e813e786cf589a34f56e
sha256 1fc73624d481391fe313251ecc745f9e9fe3a02ef3cd860eea8feae74e72abb3
sha512 b9d270e0cfd3eae1bdea0fe57f332d4643ce099cab8f9b348c35641968b93cf90c2d420eb71e4fc301fcaa234336d906a30b895278385147ec8bef44700aa131
ripemd-160 d8c31ae8c3c7f45c1c3fbd5e8a11c5d6e2db5119

81472542 as geometric shapes

Circle

Radius = n
Diameter 162945084
Circumference 511907078.83297
Area 2.0853185490158E+16

Sphere

Radius = n
Volume 2.2652827075743E+24
Surface area 8.3412741960633E+16
Circumference 511907078.83297

Square

Length = n
Perimeter 325890168
Area 6637775099941764
Diagonal 115219573.85741

Cube

Length = n
Surface area 39826650599650584
Volume 5.4079641061656E+23
Space diagonal 141114582.16579

Equilateral Triangle

Length = n
Perimeter 244417626
Area 2.8742409305787E+15
Altitude 70557291.082895

Triangular Pyramid

Length = n
Surface area 2.8742409305787E+15
Volume 6.3733468198052E+22
Height 38406524.619137