81292016 (number)

81292016 is an even 8-digits composite number following 81292015 and preceding 81292017. In scientific notation, it is written as 8.1292016 × 10^7. The sum of its digits is 29. It has a total of 8 prime factors and 80 positive divisors. There are 35804160 positive integers (up to 81292016) that are relatively prime to 81292016.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred ninety-two thousand sixteen

Notation

Scientific notation 8.1292016 × 10^7
Engineering notation 8.1292016 × 10^6

Prime Factorization of 81292016

Prime Factorization 2 × 2 × 2 × 2 × 61 × 13 × 43 × 149

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 10161502
Product of the distinct prime numbers

The prime factorization of 81292016 is 2 × 2 × 2 × 2 × 61 × 13 × 43 × 149. Since it has a total of 8 prime factors.

Most popular turbo-numbers

2, 7, 87, 26, 333, 452, 976, 1400, 8521, 25224, 132093, 865677, 8992261, 2054622, 10449656, 41286912, 129349079, 564791741, 6305038761, 4424369830

Basic calculations (n = 81292016)

Multiplication

n×y
n×2 162584032
n×3 243876048
n×4 325168064
n×5 406460080

Division

n÷y
n÷2 40646008
n÷3 27097338.666667
n÷3 20323004
n÷5 16258403.2

Exponentiation

ny
n2 6608391865344256
n3 5.3720949725184E+23
n4 4.3670843045948E+31
n5 3.5500908716247E+39

Nth Root

y√n
2√n 9016.2085157787
3√n 433.19419806608
4√n 94.953717756487
5√n 38.19526950905

Divisors of 81292016

1, 2, 4, 8, 13, 16, 26, 43, 52, 61, 86, 104, 122, 149, 172, 208, 244, 298, 344, 488, 559, 596, 688, 793, 976, 1118, 1192, 1586, 1937, 2236, 2384, 2623, 3172, 3874, 4472, 5246, 6344, 6407, 7748, 8944, 9089, 10492, 12688, 12814, 15496, 18178, 20984, 25628, 30992, 34099, 36356, 41968, 51256, 68198, 72712, 83291, 102512, 118157, 136396, 145424, 166582, 236314, 272792, 333164, 390827, 472628, 545584, 666328, 781654, 945256, 1332656, 1563308, 1890512, 3126616, 5080751, 6253232, 10161502, 20323004, 40646008, 81292016

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81292015
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81292016 can be divided by 80 positive divisors. The sum of these divisors (counting 81292016) is 1, the average is 0.0125.

Base conversion 81292016

Base System Value
2 Binary 100110110000110101011110000
3 Ternary 12122222001200102
4 Quaternary 10312012223300
5 Quinary 131302321031
6 Senary 12022211532
8 Octal 466065360
10 Decimal 81292016
12 Duodecimal 23283ba8
16 Hexadecimal 4d86af0
20 Vigesimal 1581a0g
36 Base36 1cedbk

Cryptographic Hash Functions

md5 36fc625f4458d245ab33ac4ae7506eb0
sha1 7b8086e1b3cba78bff667071d6d39bf47415f731
sha256 f586e142bfd8009dea99d66859d474b0f0734e3436b7b2846d6d17a715c903c4
sha512 bf35936b223a46d03f156909659441bd557eaf3327da83288d68eaa5c0164b9802dd5bdaf32b5e51b45d1e03bb8756276551df25519df633eca75ce49a824bc7
ripemd-160 e46ba7b7f5e5740a20bb89a767f9048fa10ea776

81292016 as geometric shapes

Circle

Radius = n
Diameter 162584032
Circumference 510772800.52221
Area 2.0760875336208E+16

Sphere

Radius = n
Volume 2.2502578800067E+24
Surface area 8.3043501344832E+16
Circumference 510772800.52221

Square

Length = n
Perimeter 325168064
Area 6608391865344256
Diagonal 114964271.53985

Cube

Length = n
Surface area 39650351192065536
Volume 5.3720949725184E+23
Space diagonal 140801901.9617

Equilateral Triangle

Length = n
Perimeter 243876048
Area 2.8615176167753E+15
Altitude 70400950.980851

Triangular Pyramid

Length = n
Surface area 2.8615176167753E+15
Volume 6.3310746404098E+22
Height 38321423.846617