81341490 (number)

81341490 is an even 8-digits composite number following 81341489 and preceding 81341491. In scientific notation, it is written as 8.1341490 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 21229184 positive integers (up to 81341490) that are relatively prime to 81341490.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred forty-one thousand four hundred ninety

Notation

Scientific notation 8.1341490 × 10^7
Engineering notation 8.1341490 × 10^6

Prime Factorization of 81341490

Prime Factorization 2 × 15 × 47 × 57689

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81341490
Product of the distinct prime numbers

The prime factorization of 81341490 is 2 × 15 × 47 × 57689. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 6, 72, 45, 478, 768, 3859, 8627, 65040, 99166, 170265, 948320, 9017789, 5955480, 5966430, 60629753, 749697179, 271410217, 1195670247, 2151559890

Basic calculations (n = 81341490)

Multiplication

n×y
n×2 162682980
n×3 244024470
n×4 325365960
n×5 406707450

Division

n÷y
n÷2 40670745
n÷3 27113830
n÷3 20335372.5
n÷5 16268298

Exponentiation

ny
n2 6616437995420100
n3 5.3819092504008E+23
n4 4.3777251747239E+31
n5 3.5609068852255E+39

Nth Root

y√n
2√n 9018.951712921
3√n 433.28206033718
4√n 94.968161574924
5√n 38.19991747574

Divisors of 81341490

1, 2, 15, 30, 47, 94, 705, 1410, 57689, 115378, 865335, 1730670, 2711383, 5422766, 40670745, 81341490

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 -81341489
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 81341490 can be divided by 16 positive divisors. The sum of these divisors (counting 81341490) is 1, the average is 0.0625.

Base conversion 81341490

Base System Value
2 Binary 100110110010010110000110010
3 Ternary 12200001120112210
4 Quaternary 10312102300302
5 Quinary 131310411430
6 Senary 12023232550
8 Octal 466226062
10 Decimal 81341490
12 Duodecimal 232a8756
16 Hexadecimal 4d92c32
20 Vigesimal 1587dea
36 Base36 1cffhu

Cryptographic Hash Functions

md5 bcb9a8967dcc62b1da22c7b7fc331d77
sha1 457509ee2f61b4ebf01408cee7ca5d984c93b0ef
sha256 ab8641a73498d71533304d1c65fd7584e8dd1d6a90ac32dc6dddf93bfb3fe8c1
sha512 e4ba5cd8e16aa0b4dc999f6e7de503d0a8a73a9a0325e108af9d237b098c0f7b6685a0ba6d1bf98b291e3d15f61ac09fe1507189dc5d79b0b7382d64e142eaed
ripemd-160 728bf77df8326cc03488ad023293c43e844b21a6

81341490 as geometric shapes

Circle

Radius = n
Diameter 162682980
Circumference 511083654.8321
Area 2.0786152999344E+16

Sphere

Radius = n
Volume 2.2543688751128E+24
Surface area 8.3144611997377E+16
Circumference 511083654.8321

Square

Length = n
Perimeter 325365960
Area 6616437995420100
Diagonal 115034238.34164

Cube

Length = n
Surface area 39698627972520600
Volume 5.3819092504008E+23
Space diagonal 140887593.44336

Equilateral Triangle

Length = n
Perimeter 244024470
Area 2.8650016932992E+15
Altitude 70443796.721678

Triangular Pyramid

Length = n
Surface area 2.8650016932992E+15
Volume 6.3426408778151E+22
Height 38344746.113879