81572356 (number)

81572356 is an even 8-digits composite number following 81572355 and preceding 81572357. In scientific notation, it is written as 8.1572356 × 10^7. The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors. There are 40318560 positive integers (up to 81572356) that are relatively prime to 81572356.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred seventy-two thousand three hundred fifty-six

Notation

Scientific notation 8.1572356 × 10^7
Engineering notation 8.1572356 × 10^6

Prime Factorization of 81572356

Prime Factorization 2 × 2 × 367 × 181 × 307

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40786178
Product of the distinct prime numbers

The prime factorization of 81572356 is 2 × 2 × 367 × 181 × 307. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 2, 68, 92, 967, 301, 2420, 5138, 37989, 21934, 26009, 236874, 2621665, 9315715, 73043082, 86089173, 632755931, 623446499, 6447263936, 9451658950

Basic calculations (n = 81572356)

Multiplication

n×y
n×2 163144712
n×3 244717068
n×4 326289424
n×5 407861780

Division

n÷y
n÷2 40786178
n÷3 27190785.333333
n÷3 20393089
n÷5 16314471.2

Exponentiation

ny
n2 6654049263390736
n3 5.4278647535485E+23
n4 4.4276371599631E+31
n5 3.6117279465134E+39

Nth Root

y√n
2√n 9031.741581777
3√n 433.69159143414
4√n 95.035475385653
5√n 38.221576943614

Divisors of 81572356

1, 2, 4, 181, 307, 362, 367, 614, 724, 734, 1228, 1468, 55567, 66427, 111134, 112669, 132854, 222268, 225338, 265708, 450676, 20393089, 40786178, 81572356

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 -81572355
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 81572356 can be divided by 24 positive divisors. The sum of these divisors (counting 81572356) is 1, the average is 0.041666666666667.

Base conversion 81572356

Base System Value
2 Binary 100110111001011001000000100
3 Ternary 12200111022020101
4 Quaternary 10313023020010
5 Quinary 131340303411
6 Senary 12032213444
8 Octal 467131004
10 Decimal 81572356
12 Duodecimal 2339a284
16 Hexadecimal 4dcb204
20 Vigesimal 159gahg
36 Base36 1ckdms

Cryptographic Hash Functions

md5 544aa89a753f79afbfbc8d405b34d31f
sha1 7ea20c104b8eee8479ceea632722fd4797baa909
sha256 9de24c6924ba92243167339216f06625c5cbf10cf549861d9bcbea78eb27feb8
sha512 543922e7b4fcafcfc0c85458e78ef40b139ea23bed89bbc75b0d5e71e64c34bd53e36c04f1d564adaafbadd3a421f5ad7896903ce7ff3966e178bb0e30d14fec
ripemd-160 ef653442108d7c4ac8fdcc285788bc63574b1bd7

81572356 as geometric shapes

Circle

Radius = n
Diameter 163144712
Circumference 512534228.69122
Area 2.0904312282493E+16

Sphere

Radius = n
Volume 2.2736186712569E+24
Surface area 8.3617249129972E+16
Circumference 512534228.69122

Square

Length = n
Perimeter 326289424
Area 6654049263390736
Diagonal 115360732.16993

Cube

Length = n
Surface area 39924295580344416
Volume 5.4278647535485E+23
Space diagonal 141287465.0851

Equilateral Triangle

Length = n
Perimeter 244717068
Area 2.8812878500648E+15
Altitude 70643732.542548

Triangular Pyramid

Length = n
Surface area 2.8812878500648E+15
Volume 6.3967999576626E+22
Height 38453577.389975