81376656 (number)

81376656 is an even 8-digits composite number following 81376655 and preceding 81376657. In scientific notation, it is written as 8.1376656 × 10^7. The sum of its digits is 42. It has a total of 6 prime factors and 20 positive divisors. There are 27125536 positive integers (up to 81376656) that are relatively prime to 81376656.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1376656 × 10^7
Engineering notation 8.1376656 × 10^6

Prime Factorization of 81376656

Prime Factorization 2 × 2 × 2 × 2 × 3 × 1695347

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10172082
Product of the distinct prime numbers

The prime factorization of 81376656 is 2 × 2 × 2 × 2 × 3 × 1695347. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 2, 15, 83, 336, 864, 3622, 8891, 3206, 21233, 168631, 641730, 9679316, 2654830, 12096842, 85807491, 19806389, 996935609, 465684082, 9688710161

Basic calculations (n = 81376656)

Multiplication

n×y
n×2 162753312
n×3 244129968
n×4 325506624
n×5 406883280

Division

n÷y
n÷2 40688328
n÷3 27125552
n÷3 20344164
n÷5 16275331.2

Exponentiation

ny
n2 6622160141742336
n3 5.3888924783148E+23
n4 4.3853004942881E+31
n5 3.5686108978031E+39

Nth Root

y√n
2√n 9020.901063641
3√n 433.34449096846
4√n 94.978424200663
5√n 38.203219864359

Divisors of 81376656

1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 1695347, 3390694, 5086041, 6781388, 10172082, 13562776, 20344164, 27125552, 40688328, 81376656

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81376655
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81376656 can be divided by 20 positive divisors. The sum of these divisors (counting 81376656) is 1, the average is 0.05.

Base conversion 81376656

Base System Value
2 Binary 100110110011011010110010000
3 Ternary 12200010100210020
4 Quaternary 10312123112100
5 Quinary 131313023111
6 Senary 12024103440
8 Octal 466332620
10 Decimal 81376656
12 Duodecimal 23304b80
16 Hexadecimal 4d9b590
20 Vigesimal 158c1cg
36 Base36 1cg6mo

Cryptographic Hash Functions

md5 b111b7df83ae41a36dda82db7b4288a7
sha1 226b67c23d5fb4ba2c944c4ac7de55ac28385011
sha256 30282a98eaaf72924977406f04e1217c012106aa7dd5082b251667eda6124cac
sha512 41712a5a6cbcb40e89fcaac5394459cf67cb31d3bf8c22000a974ced1078adc62eede285c5e676e02a74bd99e401435485a624b3643adf7ebaf19e250de40e5f
ripemd-160 e9162f87254ed36325ea69be4738fad03aa6bd76

81376656 as geometric shapes

Circle

Radius = n
Diameter 162753312
Circumference 511304609.32661
Area 2.0804129652193E+16

Sphere

Radius = n
Volume 2.2572940027812E+24
Surface area 8.3216518608771E+16
Circumference 511304609.32661

Square

Length = n
Perimeter 325506624
Area 6622160141742336
Diagonal 115083970.57577

Cube

Length = n
Surface area 39732960850454016
Volume 5.3888924783148E+23
Space diagonal 140948502.74205

Equilateral Triangle

Length = n
Perimeter 244129968
Area 2.8674794553388E+15
Altitude 70474251.371027

Triangular Pyramid

Length = n
Surface area 2.8674794553388E+15
Volume 6.3508706908359E+22
Height 38361323.525257