81572016 (number)

81572016 is an even 8-digits composite number following 81572015 and preceding 81572017. In scientific notation, it is written as 8.1572016 × 10^7. The sum of its digits is 30. It has a total of 7 prime factors and 40 positive divisors. There are 25759296 positive integers (up to 81572016) that are relatively prime to 81572016.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred seventy-two thousand sixteen

Notation

Scientific notation 8.1572016 × 10^7
Engineering notation 8.1572016 × 10^6

Prime Factorization of 81572016

Prime Factorization 2 × 2 × 2 × 2 × 3 × 19 × 89443

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 10196502
Product of the distinct prime numbers

The prime factorization of 81572016 is 2 × 2 × 2 × 2 × 3 × 19 × 89443. Since it has a total of 7 prime factors.

Most popular turbo-numbers

4, 1, 87, 13, 504, 582, 6982, 1614, 10439, 43341, 794129, 408157, 2329463, 291538, 77892296, 78603057, 225260943, 287940845, 3220512453, 2665464345

Basic calculations (n = 81572016)

Multiplication

n×y
n×2 163144032
n×3 244716048
n×4 326288064
n×5 407860080

Division

n÷y
n÷2 40786008
n÷3 27190672
n÷3 20393004
n÷5 16314403.2

Exponentiation

ny
n2 6653993794304256
n3 5.4277968825289E+23
n4 4.427563341464E+31
n5 3.6116526773091E+39

Nth Root

y√n
2√n 9031.7227592525
3√n 433.69098887974
4√n 95.035376356663
5√n 38.221545081452

Divisors of 81572016

1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 89443, 178886, 268329, 357772, 536658, 715544, 1073316, 1431088, 1699417, 2146632, 3398834, 4293264, 5098251, 6797668, 10196502, 13595336, 20393004, 27190672, 40786008, 81572016

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81572015
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81572016 can be divided by 40 positive divisors. The sum of these divisors (counting 81572016) is 1, the average is 0.025.

Base conversion 81572016

Base System Value
2 Binary 100110111001011000010110000
3 Ternary 12200111021202210
4 Quaternary 10313023002300
5 Quinary 131340301031
6 Senary 12032212120
8 Octal 467130260
10 Decimal 81572016
12 Duodecimal 2339a040
16 Hexadecimal 4dcb0b0
20 Vigesimal 159ga0g
36 Base36 1ckddc

Cryptographic Hash Functions

md5 6533925184ee50ea1c27723baeb3dabb
sha1 3ca502eecfb603ae85e88913c2545ac0da1b1a71
sha256 b53fc35e43e94414b9be40911153b2198e25905808e59ad7d56c4f31c75364e5
sha512 59a94513918060bb460e307480a2804b7476855f7741dcbdbda40c97d89cb05a4c1c4899f1d42314f758c51afad58132289dd8490a8a070929106e4bca181866
ripemd-160 77b3437f7eae068961fe2000a334c10c53111f47

81572016 as geometric shapes

Circle

Radius = n
Diameter 163144032
Circumference 512532092.40822
Area 2.0904138021218E+16

Sphere

Radius = n
Volume 2.2735902415107E+24
Surface area 8.3616552084873E+16
Circumference 512532092.40822

Square

Length = n
Perimeter 326288064
Area 6653993794304256
Diagonal 115360251.33732

Cube

Length = n
Surface area 39923962765825536
Volume 5.4277968825289E+23
Space diagonal 141286876.18782

Equilateral Triangle

Length = n
Perimeter 244716048
Area 2.8812638312457E+15
Altitude 70643438.093911

Triangular Pyramid

Length = n
Surface area 2.8812638312457E+15
Volume 6.396719970899E+22
Height 38453417.112438