81222562 (number)

81222562 is an even 8-digits composite number following 81222561 and preceding 81222563. In scientific notation, it is written as 8.1222562 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 38803968 positive integers (up to 81222562) that are relatively prime to 81222562.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1222562 × 10^7
Engineering notation 8.1222562 × 10^6

Prime Factorization of 81222562

Prime Factorization 2 × 97 × 29 × 14437

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81222562
Product of the distinct prime numbers

The prime factorization of 81222562 is 2 × 97 × 29 × 14437. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 8, 55, 98, 436, 759, 3336, 501, 3471, 99793, 836061, 824525, 7729248, 2609650, 71573004, 28912287, 215495939, 400652706, 826389394, 3526209255

Basic calculations (n = 81222562)

Multiplication

n×y
n×2 162445124
n×3 243667686
n×4 324890248
n×5 406112810

Division

n÷y
n÷2 40611281
n÷3 27074187.333333
n÷3 20305640.5
n÷5 16244512.4

Exponentiation

ny
n2 6597104577843844
n3 5.3583373559441E+23
n4 4.3521788811008E+31
n5 3.534951190053E+39

Nth Root

y√n
2√n 9012.3560737468
3√n 433.0707925791
4√n 94.933429695481
5√n 38.188740648172

Divisors of 81222562

1, 2, 29, 58, 97, 194, 2813, 5626, 14437, 28874, 418673, 837346, 1400389, 2800778, 40611281, 81222562

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81222561
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81222562 can be divided by 16 positive divisors. The sum of these divisors (counting 81222562) is 1, the average is 0.0625.

Base conversion 81222562

Base System Value
2 Binary 100110101110101101110100010
3 Ternary 12122211112102001
4 Quaternary 10311311232202
5 Quinary 131243110222
6 Senary 12020514214
8 Octal 465655642
10 Decimal 81222562
12 Duodecimal 2324b96a
16 Hexadecimal 4d75ba2
20 Vigesimal 157cg82
36 Base36 1ccvqa

Cryptographic Hash Functions

md5 9db22d9f1e19029951dec7c5b6171019
sha1 0a2a306b95a341cd9bcda2e26105801d3bc578d9
sha256 77ded7b86cc247faf52dc5732c916c43f89caf066b3021f3d6009ed6145863f8
sha512 c10bb40f8b463e808a8b5939ce8f367b37aef49b956cb069b30814df720b21f3062a256ccddc9d85db861fe6c63af38c209f321bf0ce2e9f2c6da989f8ddb1bc
ripemd-160 f07a198bdb97055118a44ef9f9aa99049f6291ba

81222562 as geometric shapes

Circle

Radius = n
Diameter 162445124
Circumference 510336408.16988
Area 2.0725415276718E+16

Sphere

Radius = n
Volume 2.2444951030519E+24
Surface area 8.2901661106871E+16
Circumference 510336408.16988

Square

Length = n
Perimeter 324890248
Area 6597104577843844
Diagonal 114866048.75109

Cube

Length = n
Surface area 39582627467063064
Volume 5.3583373559441E+23
Space diagonal 140681604.10491

Equilateral Triangle

Length = n
Perimeter 243667686
Area 2.8566300779177E+15
Altitude 70340802.052457

Triangular Pyramid

Length = n
Surface area 2.8566300779177E+15
Volume 6.3148611337887E+22
Height 38288682.91703