81330355 (number)

81330355 is an odd 8-digits composite number following 81330354 and preceding 81330356. In scientific notation, it is written as 8.1330355 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 58286592 positive integers (up to 81330355) that are relatively prime to 81330355.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand three hundred fifty-five

Notation

Scientific notation 8.1330355 × 10^7
Engineering notation 8.1330355 × 10^6

Prime Factorization of 81330355

Prime Factorization 95 × 29 × 53 × 557

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81330355
Product of the distinct prime numbers

The prime factorization of 81330355 is 95 × 29 × 53 × 557. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 5, 77, 69, 724, 35, 1989, 2644, 60010, 70252, 262048, 311890, 5304881, 446378, 74861707, 43718847, 970941314, 308241309, 4348749843, 2967084015

Basic calculations (n = 81330355)

Multiplication

n×y
n×2 162660710
n×3 243991065
n×4 325321420
n×5 406651775

Division

n÷y
n÷2 40665177.5
n÷3 27110118.333333
n÷3 20332588.75
n÷5 16266071

Exponentiation

ny
n2 6614626644426025
n3 5.3796993318363E+23
n4 4.3753285645151E+31
n5 3.5584702539365E+39

Nth Root

y√n
2√n 9018.3343805827
3√n 433.26228848435
4√n 94.964911312456
5√n 38.198871565776

Divisors of 81330355

1, 29, 53, 95, 557, 1537, 2755, 5035, 16153, 29521, 52915, 146015, 856109, 1534535, 2804495, 81330355

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 -81330354
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 81330355 can be divided by 16 positive divisors. The sum of these divisors (counting 81330355) is 1, the average is 0.0625.

Base conversion 81330355

Base System Value
2 Binary 100110110010000000010110011
3 Ternary 12200001000021101
4 Quaternary 10312100002303
5 Quinary 131310032410
6 Senary 12023105231
8 Octal 466200263
10 Decimal 81330355
12 Duodecimal 232a2217
16 Hexadecimal 4d900b3
20 Vigesimal 15865hf
36 Base36 1cf6wj

Cryptographic Hash Functions

md5 40934c01aaf83be9e3f317db3714afd6
sha1 8fb0a5bc910da2880a070c225156253bd5a94bcf
sha256 9206b7d07118fc41f6931b7b8973779fd5c26a9ba1d66b670caf449705fdb7b0
sha512 851c00b47e323dabccfbcab17ef30b2c9eebdac3928610814fb5051ba952cc0def6d7ba272f7b5ebce8fc00adb6e52f4d626096ad66204c55124f3cca14ed9c1
ripemd-160 298f13553d8f9be0561c30671ae6b873df7e720f

81330355 as geometric shapes

Circle

Radius = n
Diameter 162660710
Circumference 511013691.5637
Area 2.0780462472368E+16

Sphere

Radius = n
Volume 2.2534431865892E+24
Surface area 8.3121849889472E+16
Circumference 511013691.5637

Square

Length = n
Perimeter 325321420
Area 6614626644426025
Diagonal 115018491.07362

Cube

Length = n
Surface area 39687759866556150
Volume 5.3796993318363E+23
Space diagonal 140868307.05761

Equilateral Triangle

Length = n
Perimeter 243991065
Area 2.8642173553112E+15
Altitude 70434153.528807

Triangular Pyramid

Length = n
Surface area 2.8642173553112E+15
Volume 6.3400364638103E+22
Height 38339497.024539