81072007 (number)

81072007 is an odd 8-digits composite number following 81072006 and preceding 81072008. In scientific notation, it is written as 8.1072007 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 81054000 positive integers (up to 81072007) that are relatively prime to 81072007.

Interesting facts

Basic properties

Name

Name eighty-one million seventy-two thousand seven

Notation

Scientific notation 8.1072007 × 10^7
Engineering notation 8.1072007 × 10^6

Prime Factorization of 81072007

Prime Factorization 9007 × 9001

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81072007
Product of the distinct prime numbers

The prime factorization of 81072007 is 9007 × 9001. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81072007)

Multiplication

n×y
n×2 162144014
n×3 243216021
n×4 324288028
n×5 405360035

Division

n÷y
n÷2 40536003.5
n÷3 27024002.333333
n÷3 20268001.75
n÷5 16214401.4

Exponentiation

ny
n2 6572670319008049
n3 5.3285957411131E+23
n4 4.3199995122369E+31
n5 3.5023103069607E+39

Nth Root

y√n
2√n 9003.9995002221
3√n 432.8030455441
4√n 94.889406680736
5√n 38.174572728836

Divisors of 81072007

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 -81072006
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 81072007 can be divided by 4 positive divisors. The sum of these divisors (counting 81072007) is 1, the average is 0.25.

Base conversion 81072007

Base System Value
2 Binary 100110101010000111110000111
3 Ternary 12122112212212221
4 Quaternary 10311100332013
5 Quinary 131223301012
6 Senary 12013353211
8 Octal 465207607
10 Decimal 81072007
12 Duodecimal 23198807
16 Hexadecimal 4d50f87
20 Vigesimal 156e007
36 Base36 1c9nk7

Cryptographic Hash Functions

md5 388861f7a01d392bda1295ad042ef6b2
sha1 678d651cd7577dc1d1297222cead61f954da75e1
sha256 849d20ff243e062c99b3ba49a1b8186b65b459901e1c8e0b290ce44af1130c59
sha512 1e6b7e72ed93203203f9bdb15c359402725eeca4d194a69cb1cc4698e6f9124891158eecce25762039fe6fbcd8181a18d9e6a9b0feca894cc388503b53b4b6a7
ripemd-160 df9e6c2e848f146fae1c10e29fdf2b81a9aa7798

81072007 as geometric shapes

Circle

Radius = n
Diameter 162144014
Circumference 509390443.20596
Area 2.0648652788663E+16

Sphere

Radius = n
Volume 2.2320369645641E+24
Surface area 8.2594611154653E+16
Circumference 509390443.20596

Square

Length = n
Perimeter 324288028
Area 6572670319008049
Diagonal 114653131.82821

Cube

Length = n
Surface area 39436021914048294
Volume 5.3285957411131E+23
Space diagonal 140420835.19558

Equilateral Triangle

Length = n
Perimeter 243216021
Area 2.8460497334805E+15
Altitude 70210417.59779

Triangular Pyramid

Length = n
Surface area 2.8460497334805E+15
Volume 6.2798103045714E+22
Height 38217710.609402