81838315 (number)

81838315 is an odd 8-digits composite number following 81838314 and preceding 81838316. In scientific notation, it is written as 8.1838315 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 60434400 positive integers (up to 81838315) that are relatively prime to 81838315.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred thirty-eight thousand three hundred fifteen

Notation

Scientific notation 8.1838315 × 10^7
Engineering notation 8.1838315 × 10^6

Prime Factorization of 81838315

Prime Factorization 65 × 1259051

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81838315
Product of the distinct prime numbers

The prime factorization of 81838315 is 65 × 1259051. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81838315)

Multiplication

n×y
n×2 163676630
n×3 245514945
n×4 327353260
n×5 409191575

Division

n÷y
n÷2 40919157.5
n÷3 27279438.333333
n÷3 20459578.75
n÷5 16367663

Exponentiation

ny
n2 6697509802039225
n3 5.4811291689487E+23
n4 4.4856637548411E+31
n5 3.6709916335277E+39

Nth Root

y√n
2√n 9046.4531723765
3√n 434.16241700095
4√n 95.112844413236
5√n 38.246468074529

Divisors of 81838315

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81838314
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81838315 can be divided by 4 positive divisors. The sum of these divisors (counting 81838315) is 1, the average is 0.25.

Base conversion 81838315

Base System Value
2 Binary 100111000001100000011101011
3 Ternary 12200222211001201
4 Quaternary 10320030003223
5 Quinary 131422311230
6 Senary 12042025031
8 Octal 470140353
10 Decimal 81838315
12 Duodecimal 234a8177
16 Hexadecimal 4e0c0eb
20 Vigesimal 15b9fff
36 Base36 1cq2uj

Cryptographic Hash Functions

md5 162caf508dc5266375be505eee6db662
sha1 2468fbba036898ff5217e04db32e6f92179a67d1
sha256 4792b32d084ca8392846dced637ab04bf8d8e3454cc7cba7f2089aa3d1f8e7cd
sha512 c9548427bf21561a50e2724877dbd6347b5e224cb1c6a9e9c9897366af0e29dbd077490fec783b57605d2cc6c56091f48114cbbbd336885a889f8f48e4ab7270
ripemd-160 dc5d068d68ac56e59d1ccfa196a417ab5d5c3bce

81838315 as geometric shapes

Circle

Radius = n
Diameter 163676630
Circumference 514205298.37233
Area 2.1040847591432E+16

Sphere

Radius = n
Volume 2.2959300174061E+24
Surface area 8.4163390365728E+16
Circumference 514205298.37233

Square

Length = n
Perimeter 327353260
Area 6697509802039225
Diagonal 115736854.99476

Cube

Length = n
Surface area 40185058812235350
Volume 5.4811291689487E+23
Space diagonal 141748119.58583

Equilateral Triangle

Length = n
Perimeter 245514945
Area 2.9001068153306E+15
Altitude 70874059.792913

Triangular Pyramid

Length = n
Surface area 2.9001068153306E+15
Volume 6.4595726732051E+22
Height 38578951.664921