81423654 (number)

81423654 is an even 8-digits composite number following 81423653 and preceding 81423655. In scientific notation, it is written as 8.1423654 × 10^7. The sum of its digits is 33. It has a total of 6 prime factors and 64 positive divisors. There are 24261120 positive integers (up to 81423654) that are relatively prime to 81423654.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred twenty-three thousand six hundred fifty-four

Notation

Scientific notation 8.1423654 × 10^7
Engineering notation 8.1423654 × 10^6

Prime Factorization of 81423654

Prime Factorization 2 × 3 × 13 × 61 × 157 × 109

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 81423654
Product of the distinct prime numbers

The prime factorization of 81423654 is 2 × 3 × 13 × 61 × 157 × 109. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 4, 97, 52, 394, 21, 4094, 9734, 16076, 10856, 481037, 614766, 2547482, 475597, 3957909, 98797985, 682066273, 759222053, 2041929921, 6039444532

Basic calculations (n = 81423654)

Multiplication

n×y
n×2 162847308
n×3 244270962
n×4 325694616
n×5 407118270

Division

n÷y
n÷2 40711827
n÷3 27141218
n÷3 20355913.5
n÷5 16284730.8

Exponentiation

ny
n2 6629811430711716
n3 5.3982347201952E+23
n4 4.3954399606796E+31
n5 3.5789278253615E+39

Nth Root

y√n
2√n 9023.5056380544
3√n 433.42789901969
4√n 94.992134611527
5√n 38.207631597105

Divisors of 81423654

1, 2, 3, 6, 13, 26, 39, 61, 78, 109, 122, 157, 183, 218, 314, 327, 366, 471, 654, 793, 942, 1417, 1586, 2041, 2379, 2834, 4082, 4251, 4758, 6123, 6649, 8502, 9577, 12246, 13298, 17113, 19154, 19947, 28731, 34226, 39894, 51339, 57462, 86437, 102678, 124501, 172874, 222469, 249002, 259311, 373503, 444938, 518622, 667407, 747006, 1043893, 1334814, 2087786, 3131679, 6263358, 13570609, 27141218, 40711827, 81423654

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81423653
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81423654 can be divided by 64 positive divisors. The sum of these divisors (counting 81423654) is 1, the average is 0.015625.

Base conversion 81423654

Base System Value
2 Binary 100110110100110110100100110
3 Ternary 12200012202020220
4 Quaternary 10312212310212
5 Quinary 131321024104
6 Senary 12025105210
8 Octal 466466446
10 Decimal 81423654
12 Duodecimal 23328206
16 Hexadecimal 4da6d26
20 Vigesimal 158hj2e
36 Base36 1ch6w6

Cryptographic Hash Functions

md5 43dbba15416cd499e3f9b4d771eacd4e
sha1 3b861655c717bc50d448a249f0f2873cee2e5481
sha256 b3bed8874e8d773d0ca80ac3a874984691d8eb572207b635dc48561b175360e3
sha512 7826b1ccb96edfde7988ff863dc408919cca67ed899ab1994e059127526b7e32ef02a9a642152fd97ec1ea48bfac3133cb50d990b08c75f468494d342f28de1d
ripemd-160 88db5cc9a07e32f5798a28b7b30c93d915d90aef

81423654 as geometric shapes

Circle

Radius = n
Diameter 162847308
Circumference 511599906.46967
Area 2.082816688541E+16

Sphere

Radius = n
Volume 2.2612072719091E+24
Surface area 8.3312667541638E+16
Circumference 511599906.46967

Square

Length = n
Perimeter 325694616
Area 6629811430711716
Diagonal 115150435.78477

Cube

Length = n
Surface area 39778868584270296
Volume 5.3982347201952E+23
Space diagonal 141029905.66591

Equilateral Triangle

Length = n
Perimeter 244270962
Area 2.8707925606484E+15
Altitude 70514952.832954

Triangular Pyramid

Length = n
Surface area 2.8707925606484E+15
Volume 6.3618806284778E+22
Height 38383478.594925