81497654 (number)

81497654 is an even 8-digits composite number following 81497653 and preceding 81497655. In scientific notation, it is written as 8.1497654 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 34566912 positive integers (up to 81497654) that are relatively prime to 81497654.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety-seven thousand six hundred fifty-four

Notation

Scientific notation 8.1497654 × 10^7
Engineering notation 8.1497654 × 10^6

Prime Factorization of 81497654

Prime Factorization 2 × 7 × 97 × 60013

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81497654
Product of the distinct prime numbers

The prime factorization of 81497654 is 2 × 7 × 97 × 60013. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 10, 46, 41, 292, 864, 8865, 7419, 11053, 55184, 275554, 303191, 9475162, 1163931, 29995009, 49071152, 300081154, 705674226, 6548276539, 3211916102

Basic calculations (n = 81497654)

Multiplication

n×y
n×2 162995308
n×3 244492962
n×4 325990616
n×5 407488270

Division

n÷y
n÷2 40748827
n÷3 27165884.666667
n÷3 20374413.5
n÷5 16299530.8

Exponentiation

ny
n2 6641867607503716
n3 5.4129662819015E+23
n4 4.4114405315607E+31
n5 3.5952205408271E+39

Nth Root

y√n
2√n 9027.6051087761
3√n 433.55916289444
4√n 95.013710109521
5√n 38.214573897838

Divisors of 81497654

1, 2, 7, 14, 97, 194, 679, 1358, 60013, 120026, 420091, 840182, 5821261, 11642522, 40748827, 81497654

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 -81497653
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 81497654 can be divided by 16 positive divisors. The sum of these divisors (counting 81497654) is 1, the average is 0.0625.

Base conversion 81497654

Base System Value
2 Binary 100110110111000111000110110
3 Ternary 12200100111202122
4 Quaternary 10312320320312
5 Quinary 131330411104
6 Senary 12030435542
8 Octal 466707066
10 Decimal 81497654
12 Duodecimal 23362bb2
16 Hexadecimal 4db8e36
20 Vigesimal 159742e
36 Base36 1cirzq

Cryptographic Hash Functions

md5 d57137fa518c58eeb18f91b64fe93067
sha1 7f82a28184e2fc12f4b39990347bd7f996564012
sha256 f500fa0c905cfc581f0b383b166336d3d774d2cfb28b48e482d9d7476d16ca2c
sha512 726ab319c3473cf194877cc2782aa40f915d770fb6be17190ce72f91561de308834b136a9774733415be11294e312f91664fdc57b5e3640bae45c4d1836d8b48
ripemd-160 7f89d1d5c438e7cf11e6635e21d3f90fc9a7013b

81497654 as geometric shapes

Circle

Radius = n
Diameter 162995308
Circumference 512064862.18241
Area 2.086604248185E+16

Sphere

Radius = n
Volume 2.2673780140468E+24
Surface area 8.3464169927399E+16
Circumference 512064862.18241

Square

Length = n
Perimeter 325990616
Area 6641867607503716
Diagonal 115255087.58839

Cube

Length = n
Surface area 39851205645022296
Volume 5.4129662819015E+23
Space diagonal 141158077.42567

Equilateral Triangle

Length = n
Perimeter 244492962
Area 2.8760130383356E+15
Altitude 70579038.712834

Triangular Pyramid

Length = n
Surface area 2.8760130383356E+15
Volume 6.3792419404444E+22
Height 38418362.529463