81572012 (number)

81572012 is an even 8-digits composite number following 81572011 and preceding 81572013. In scientific notation, it is written as 8.1572012 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors. There are 39110400 positive integers (up to 81572012) that are relatively prime to 81572012.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred seventy-two thousand twelve

Notation

Scientific notation 8.1572012 × 10^7
Engineering notation 8.1572012 × 10^6

Prime Factorization of 81572012

Prime Factorization 2 × 2 × 29 × 151 × 4657

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40786006
Product of the distinct prime numbers

The prime factorization of 81572012 is 2 × 2 × 29 × 151 × 4657. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 7, 5, 51, 627, 198, 8558, 3605, 19237, 27991, 961426, 799992, 3541572, 5435087, 35797067, 24354635, 75312057, 602376007, 2468416568, 4503238026

Basic calculations (n = 81572012)

Multiplication

n×y
n×2 163144024
n×3 244716036
n×4 326288048
n×5 407860060

Division

n÷y
n÷2 40786006
n÷3 27190670.666667
n÷3 20393003
n÷5 16314402.4

Exponentiation

ny
n2 6653993141728144
n3 5.4277960840497E+23
n4 4.4275624730165E+31
n5 3.6116517917965E+39

Nth Root

y√n
2√n 9031.7225378108
3√n 433.69098179085
4√n 95.035375191614
5√n 38.221544706603

Divisors of 81572012

1, 2, 4, 29, 58, 116, 151, 302, 604, 4379, 4657, 8758, 9314, 17516, 18628, 135053, 270106, 540212, 703207, 1406414, 2812828, 20393003, 40786006, 81572012

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81572011
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81572012 can be divided by 24 positive divisors. The sum of these divisors (counting 81572012) is 1, the average is 0.041666666666667.

Base conversion 81572012

Base System Value
2 Binary 100110111001011000010101100
3 Ternary 12200111021202122
4 Quaternary 10313023002230
5 Quinary 131340301022
6 Senary 12032212112
8 Octal 467130254
10 Decimal 81572012
12 Duodecimal 2339a038
16 Hexadecimal 4dcb0ac
20 Vigesimal 159ga0c
36 Base36 1ckdd8

Cryptographic Hash Functions

md5 3207900131fd839a56511eec22273d52
sha1 ec50f89eab5a96ff3042e1c4e0e8865d6d64bc87
sha256 b1bca2a5115544a240d76f101d483139aa628732038ae434c787b8c32fe2f847
sha512 f253b9b26aec7a44f6c3ef0d1a48e15878220d33e466f5cd6193fc3feb22a97bb3d6b7f52da530d16cffef308195d0dab0de75435a80744b192ddbd9c0ad05ec
ripemd-160 8599d520d70e65963098d44a7cb8b9c99b0af6cb

81572012 as geometric shapes

Circle

Radius = n
Diameter 163144024
Circumference 512532067.27548
Area 2.090413597109E+16

Sphere

Radius = n
Volume 2.2735899070445E+24
Surface area 8.361654388436E+16
Circumference 512532067.27548

Square

Length = n
Perimeter 326288048
Area 6653993141728144
Diagonal 115360245.68046

Cube

Length = n
Surface area 39923958850368864
Volume 5.4277960840497E+23
Space diagonal 141286869.25962

Equilateral Triangle

Length = n
Perimeter 244716036
Area 2.881263548672E+15
Altitude 70643434.629809

Triangular Pyramid

Length = n
Surface area 2.881263548672E+15
Volume 6.3967190298822E+22
Height 38453415.22682