81298983 (number)

81298983 is an odd 8-digits composite number following 81298982 and preceding 81298984. In scientific notation, it is written as 8.1298983 × 10^7. The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors. There are 54199320 positive integers (up to 81298983) that are relatively prime to 81298983.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred ninety-eight thousand nine hundred eighty-three

Notation

Scientific notation 8.1298983 × 10^7
Engineering notation 8.1298983 × 10^6

Prime Factorization of 81298983

Prime Factorization 3 × 27099661

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81298983
Product of the distinct prime numbers

The prime factorization of 81298983 is 3 × 27099661. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81298983)

Multiplication

n×y
n×2 162597966
n×3 243896949
n×4 325195932
n×5 406494915

Division

n÷y
n÷2 40649491.5
n÷3 27099661
n÷3 20324745.75
n÷5 16259796.6

Exponentiation

ny
n2 6609524636834289
n3 5.3734763108807E+23
n4 4.3685815924919E+31
n5 3.5516124062212E+39

Nth Root

y√n
2√n 9016.5948672434
3√n 433.20657311393
4√n 94.955752154587
5√n 38.195924179296

Divisors of 81298983

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 -81298982
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 81298983 can be divided by 4 positive divisors. The sum of these divisors (counting 81298983) is 1, the average is 0.25.

Base conversion 81298983

Base System Value
2 Binary 100110110001000011000100111
3 Ternary 12122222102020110
4 Quaternary 10312020120213
5 Quinary 131303031413
6 Senary 12022304103
8 Octal 466103047
10 Decimal 81298983
12 Duodecimal 23288033
16 Hexadecimal 4d88627
20 Vigesimal 1582793
36 Base36 1ceip3

Cryptographic Hash Functions

md5 57076eaae781fed65ec400094589fee7
sha1 922ece34e22fe51d99ba07995a390b6ccbaff5fd
sha256 e9c5f96f244187999079349f02feb339702b79c2775292d32d6d673773e4ac02
sha512 ff22c72b6bc41e59cfbabcb778eb6b04b41d647c7e5930c3e597f1da4f47c12ef8a51f8eb81ea806b60f14178dccda40a9511517f819c51b572ae4fcff29a538
ripemd-160 51a101377d89486132382bf211da9a4f24356b57

81298983 as geometric shapes

Circle

Radius = n
Diameter 162597966
Circumference 510816575.47424
Area 2.0764434042799E+16

Sphere

Radius = n
Volume 2.2508364936669E+24
Surface area 8.3057736171197E+16
Circumference 510816575.47424

Square

Length = n
Perimeter 325195932
Area 6609524636834289
Diagonal 114974124.36574

Cube

Length = n
Surface area 39657147821005734
Volume 5.3734763108807E+23
Space diagonal 140813969.15968

Equilateral Triangle

Length = n
Perimeter 243896949
Area 2.8620081212188E+15
Altitude 70406984.579839

Triangular Pyramid

Length = n
Surface area 2.8620081212188E+15
Volume 6.3327025632817E+22
Height 38324708.121913