81047029 (number)

81047029 is an odd 8-digits composite number following 81047028 and preceding 81047030. In scientific notation, it is written as 8.1047029 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 6 positive divisors. There are 69468840 positive integers (up to 81047029) that are relatively prime to 81047029.

Interesting facts

Basic properties

Name

Name eighty-one million forty-seven thousand twenty-nine

Notation

Scientific notation 8.1047029 × 10^7
Engineering notation 8.1047029 × 10^6

Prime Factorization of 81047029

Prime Factorization 7 × 7 × 1654021

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 11578147
Product of the distinct prime numbers

The prime factorization of 81047029 is 7 × 7 × 1654021. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81047029)

Multiplication

n×y
n×2 162094058
n×3 243141087
n×4 324188116
n×5 405235145

Division

n÷y
n÷2 40523514.5
n÷3 27015676.333333
n÷3 20261757.25
n÷5 16209405.8

Exponentiation

ny
n2 6568620909726841
n3 5.3236720936064E+23
n4 4.3146780655701E+31
n5 3.4969183830592E+39

Nth Root

y√n
2√n 9002.6123430924
3√n 432.75859261354
4√n 94.882097063105
5√n 38.172220148591

Divisors of 81047029

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81047028
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81047029 can be divided by 6 positive divisors. The sum of these divisors (counting 81047029) is 1, the average is 0.16666666666667.

Base conversion 81047029

Base System Value
2 Binary 100110101001010110111110101
3 Ternary 12122111121121211
4 Quaternary 10311022313311
5 Quinary 131222001104
6 Senary 12013041421
8 Octal 465126765
10 Decimal 81047029
12 Duodecimal 23186271
16 Hexadecimal 4d4adf5
20 Vigesimal 156ahb9
36 Base36 1c94ad

Cryptographic Hash Functions

md5 539ec06b29331b4bfe87c902a16ff23f
sha1 99960114a7f534ee1082708bd1c440933bc677cf
sha256 9bd9ab1b96ea7abf625e73d991b974093238dfccafaa1b46ad86f1ec9993c0b8
sha512 60afa382f6bbff0456c0db51869bec389055294654001ea715ec3db4498d74f966b526c12faa938c7413f2d2211aa469080d3126fada941fa5e876ce32254a0e
ripemd-160 69055b26398d51f7087ee72b12c16ffe0e39a1d1

81047029 as geometric shapes

Circle

Radius = n
Diameter 162094058
Circumference 509233501.80336
Area 2.0635931194214E+16

Sphere

Radius = n
Volume 2.2299745519193E+24
Surface area 8.2543724776857E+16
Circumference 509233501.80336

Square

Length = n
Perimeter 324188116
Area 6568620909726841
Diagonal 114617807.60185

Cube

Length = n
Surface area 39411725458361046
Volume 5.3236720936064E+23
Space diagonal 140377572.03051

Equilateral Triangle

Length = n
Perimeter 243141087
Area 2.8442962878265E+15
Altitude 70188786.015254

Triangular Pyramid

Length = n
Surface area 2.8442962878265E+15
Volume 6.2740077303378E+22
Height 38205935.867282