81013458 (number)

81013458 is an even 8-digits composite number following 81013457 and preceding 81013459. In scientific notation, it is written as 8.1013458 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 26253440 positive integers (up to 81013458) that are relatively prime to 81013458.

Interesting facts

Basic properties

Name

Name eighty-one million thirteen thousand four hundred fifty-eight

Notation

Scientific notation 8.1013458 × 10^7
Engineering notation 8.1013458 × 10^6

Prime Factorization of 81013458

Prime Factorization 2 × 3 × 509 × 41 × 647

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81013458
Product of the distinct prime numbers

The prime factorization of 81013458 is 2 × 3 × 509 × 41 × 647. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 1, 40, 65, 597, 217, 9621, 6891, 9944, 15363, 113690, 201692, 3639829, 7506911, 9952165, 60793986, 704480840, 421300423, 6551555741, 2083255878

Basic calculations (n = 81013458)

Multiplication

n×y
n×2 162026916
n×3 243040374
n×4 324053832
n×5 405067290

Division

n÷y
n÷2 40506729
n÷3 27004486
n÷3 20253364.5
n÷5 16202691.6

Exponentiation

ny
n2 6563180377117764
n3 5.3170593782805E+23
n4 4.3075336662584E+31
n5 3.4896819775501E+39

Nth Root

y√n
2√n 9000.7476356134
3√n 432.69883247475
4√n 94.872270108886
5√n 38.169057313395

Divisors of 81013458

1, 2, 3, 6, 41, 82, 123, 246, 509, 647, 1018, 1294, 1527, 1941, 3054, 3882, 20869, 26527, 41738, 53054, 62607, 79581, 125214, 159162, 329323, 658646, 987969, 1975938, 13502243, 27004486, 40506729, 81013458

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 -81013457
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 81013458 can be divided by 32 positive divisors. The sum of these divisors (counting 81013458) is 1, the average is 0.03125.

Base conversion 81013458

Base System Value
2 Binary 100110101000010101011010010
3 Ternary 12122102220120110
4 Quaternary 10311002223102
5 Quinary 131214412313
6 Senary 12012222150
8 Octal 465025322
10 Decimal 81013458
12 Duodecimal 2316a956
16 Hexadecimal 4d42ad2
20 Vigesimal 1566dci
36 Base36 1c8edu

Cryptographic Hash Functions

md5 332f79f866a35fa05fd8ea8648be0712
sha1 64e8b3b8963c18c9bec3506ec5a5f6440cd58f9b
sha256 d0fc83ecac1c4b5e008e4df7bcd8e8987f958d31aa8578ba4d61ae96f9fef0b0
sha512 cd7c54c26f80b18ca676506ed1057566f76de835abc59a2f8e8e815aeb142220e54d9a64c56417474f0f29c1a1cd45c8a8135d319f310a1ee99b4699fa7ee14e
ripemd-160 dffe9d1cc21d45452abc3cf3cb365684daf3394f

81013458 as geometric shapes

Circle

Radius = n
Diameter 162026916
Circumference 509022568.98941
Area 2.0618839256938E+16

Sphere

Radius = n
Volume 2.2272046242009E+24
Surface area 8.2475357027751E+16
Circumference 509022568.98941

Square

Length = n
Perimeter 324053832
Area 6563180377117764
Diagonal 114570331.03834

Cube

Length = n
Surface area 39379082262706584
Volume 5.3170593782805E+23
Space diagonal 140319425.35285

Equilateral Triangle

Length = n
Perimeter 243040374
Area 2.8419404681018E+15
Altitude 70159712.676424

Triangular Pyramid

Length = n
Surface area 2.8419404681018E+15
Volume 6.2662145705895E+22
Height 38190110.346114