81456070 (number)

81456070 is an even 8-digits composite number following 81456069 and preceding 81456071. In scientific notation, it is written as 8.1456070 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 31458784 positive integers (up to 81456070) that are relatively prime to 81456070.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred fifty-six thousand seventy

Notation

Scientific notation 8.1456070 × 10^7
Engineering notation 8.1456070 × 10^6

Prime Factorization of 81456070

Prime Factorization 2 × 5 × 29 × 280883

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81456070
Product of the distinct prime numbers

The prime factorization of 81456070 is 2 × 5 × 29 × 280883. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 62, 17, 180, 982, 2009, 9652, 75240, 1359, 421743, 313573, 8254814, 6358573, 89942875, 92582302, 787855373, 891471363, 8151993260, 7360234704

Basic calculations (n = 81456070)

Multiplication

n×y
n×2 162912140
n×3 244368210
n×4 325824280
n×5 407280350

Division

n÷y
n÷2 40728035
n÷3 27152023.333333
n÷3 20364017.5
n÷5 16291214

Exponentiation

ny
n2 6635091339844900
n3 5.404684646348E+23
n4 4.4024437088085E+31
n5 3.5860576291576E+39

Nth Root

y√n
2√n 9025.3016570085
3√n 433.48540947679
4√n 95.001587655199
5√n 38.210673321075

Divisors of 81456070

1, 2, 5, 10, 29, 58, 145, 290, 280883, 561766, 1404415, 2808830, 8145607, 16291214, 40728035, 81456070

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 -81456069
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 81456070 can be divided by 16 positive divisors. The sum of these divisors (counting 81456070) is 1, the average is 0.0625.

Base conversion 81456070

Base System Value
2 Binary 100110110101110101111000110
3 Ternary 12200021101201111
4 Quaternary 10312232233012
5 Quinary 131323043240
6 Senary 12025515234
8 Octal 466565706
10 Decimal 81456070
12 Duodecimal 23342b1a
16 Hexadecimal 4daebc6
20 Vigesimal 159203a
36 Base36 1chvwm

Cryptographic Hash Functions

md5 d313460662836da80bfa6668c221134a
sha1 571de81baf8b68dcf795f6f073b50f843fdfdc71
sha256 9529817eb1444e6248ea753d6e52c4f687f2c1dffb49f24dd86bf788f43bc05b
sha512 5f6ed13b10bdcad32815ccdc1d7d8c82be8c765ac5d5473d22e473e9c63878940f04ddfb6eda816c7ae875b0fa521e01c3d8b8a0befefee21d75dbee44d774f5
ripemd-160 1493bef5e0bc5d427d03079c72c580f0507315a9

81456070 as geometric shapes

Circle

Radius = n
Diameter 162912140
Circumference 511803582.20459
Area 2.0844754209154E+16

Sphere

Radius = n
Volume 2.2639090106582E+24
Surface area 8.3379016836616E+16
Circumference 511803582.20459

Square

Length = n
Perimeter 325824280
Area 6635091339844900
Diagonal 115196278.93161

Cube

Length = n
Surface area 39810548039069400
Volume 5.404684646348E+23
Space diagonal 141086051.82489

Equilateral Triangle

Length = n
Perimeter 244368210
Area 2.8730788283679E+15
Altitude 70543025.912443

Triangular Pyramid

Length = n
Surface area 2.8730788283679E+15
Volume 6.3694819393458E+22
Height 38398759.643871