81837798 (number)

81837798 is an even 8-digits composite number following 81837797 and preceding 81837799. In scientific notation, it is written as 8.1837798 × 10^7. The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors. There are 23382216 positive integers (up to 81837798) that are relatively prime to 81837798.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred thirty-seven thousand seven hundred ninety-eight

Notation

Scientific notation 8.1837798 × 10^7
Engineering notation 8.1837798 × 10^6

Prime Factorization of 81837798

Prime Factorization 2 × 3 × 7 × 1948519

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81837798
Product of the distinct prime numbers

The prime factorization of 81837798 is 2 × 3 × 7 × 1948519. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 2, 77, 99, 844, 176, 6546, 5571, 36028, 2526, 214180, 937505, 3725931, 8086467, 42521306, 14820289, 878196178, 978284494, 8364816526, 57788145

Basic calculations (n = 81837798)

Multiplication

n×y
n×2 163675596
n×3 245513394
n×4 327351192
n×5 409188990

Division

n÷y
n÷2 40918899
n÷3 27279266
n÷3 20459449.5
n÷5 16367559.6

Exponentiation

ny
n2 6697425181488804
n3 5.4810252912279E+23
n4 4.485550406164E+31
n5 3.6708756805847E+39

Nth Root

y√n
2√n 9046.4245975966
3√n 434.1615027493
4√n 95.11269419797
5√n 38.246419751261

Divisors of 81837798

1, 2, 3, 6, 7, 14, 21, 42, 1948519, 3897038, 5845557, 11691114, 13639633, 27279266, 40918899, 81837798

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 -81837797
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 81837798 can be divided by 16 positive divisors. The sum of these divisors (counting 81837798) is 1, the average is 0.0625.

Base conversion 81837798

Base System Value
2 Binary 100111000001011111011100110
3 Ternary 12200222210100120
4 Quaternary 10320023323212
5 Quinary 131422302143
6 Senary 12042022410
8 Octal 470137346
10 Decimal 81837798
12 Duodecimal 234a7a06
16 Hexadecimal 4e0bee6
20 Vigesimal 15b9e9i
36 Base36 1cq2g6

Cryptographic Hash Functions

md5 3f3e2f4ea7e21743f6a3a464cdda118e
sha1 c088771a1139262282fab890e981c81168c70c25
sha256 1e3ab82cf8c0a2907c010cf87d79634ee060a8d3fc5d36602c67a661082090c5
sha512 9fe1692c00070dcaf7caf10cdc65d731e05e1c528694d0ca12aa6c133d600ca5a82c7858314f81ecc2b120c5235c1af5b79d27ba354fd3d46c4f7a5ebf78237e
ripemd-160 7b2babb32546cf359cc06fc677792b57d0758115

81837798 as geometric shapes

Circle

Radius = n
Diameter 163675596
Circumference 514202049.96553
Area 2.1040581748133E+16

Sphere

Radius = n
Volume 2.2958865052082E+24
Surface area 8.416232699253E+16
Circumference 514202049.96553

Square

Length = n
Perimeter 327351192
Area 6697425181488804
Diagonal 115736123.84635

Cube

Length = n
Surface area 40184551088932824
Volume 5.4810252912279E+23
Space diagonal 141747224.11556

Equilateral Triangle

Length = n
Perimeter 245513394
Area 2.9000701735575E+15
Altitude 70873612.057779

Triangular Pyramid

Length = n
Surface area 2.9000701735575E+15
Volume 6.4594502521371E+22
Height 38578707.948783