81051572 (number)

81051572 is an even 8-digits composite number following 81051571 and preceding 81051573. In scientific notation, it is written as 8.1051572 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors. There are 34660800 positive integers (up to 81051572) that are relatively prime to 81051572.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1051572 × 10^7
Engineering notation 8.1051572 × 10^6

Prime Factorization of 81051572

Prime Factorization 2 × 2 × 7 × 499 × 5801

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40525786
Product of the distinct prime numbers

The prime factorization of 81051572 is 2 × 2 × 7 × 499 × 5801. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 8, 86, 81, 538, 465, 1483, 1528, 36196, 10991, 680202, 468631, 6711008, 5431416, 179972, 77200913, 267033730, 229273113, 5283730014, 1326953672

Basic calculations (n = 81051572)

Multiplication

n×y
n×2 162103144
n×3 243154716
n×4 324206288
n×5 405257860

Division

n÷y
n÷2 40525786
n÷3 27017190.666667
n÷3 20262893
n÷5 16210314.4

Exponentiation

ny
n2 6569357323671184
n3 5.3245673811326E+23
n4 4.3156455646072E+31
n5 3.4978985720624E+39

Nth Root

y√n
2√n 9002.8646552084
3√n 432.76667839443
4√n 94.883426662449
5√n 38.172648079165

Divisors of 81051572

1, 2, 4, 7, 14, 28, 499, 998, 1996, 3493, 5801, 6986, 11602, 13972, 23204, 40607, 81214, 162428, 2894699, 5789398, 11578796, 20262893, 40525786, 81051572

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 -81051571
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 81051572 can be divided by 24 positive divisors. The sum of these divisors (counting 81051572) is 1, the average is 0.041666666666667.

Base conversion 81051572

Base System Value
2 Binary 100110101001011111110110100
3 Ternary 12122111211212002
4 Quaternary 10311023332310
5 Quinary 131222122242
6 Senary 12013114432
8 Octal 465137664
10 Decimal 81051572
12 Duodecimal 23188a18
16 Hexadecimal 4d4bfb4
20 Vigesimal 156b8ic
36 Base36 1c97sk

Cryptographic Hash Functions

md5 150b7af8a098e92d83ab9206b50dcfea
sha1 81008e0aed4d1586ca8c6088b4669654be0f3584
sha256 e477e477e2bd76981a81fc7c84c328cadc7acab5d1c3367f50eb2cb245e9dc74
sha512 4d720e1638d00cbe52bdffe4e372f0089b178183237f488ac887a6cda9cf7abed749d1b38b4a526503be4b328b8553affa44764da3681e7dde0df4cd60d2dcbe
ripemd-160 b0fb4f6d444b1966be95ef3534eb571cb37840d9

81051572 as geometric shapes

Circle

Radius = n
Diameter 162103144
Circumference 509262046.31421
Area 2.0638244706852E+16

Sphere

Radius = n
Volume 2.2303495690813E+24
Surface area 8.2552978827407E+16
Circumference 509262046.31421

Square

Length = n
Perimeter 324206288
Area 6569357323671184
Diagonal 114624232.37406

Cube

Length = n
Surface area 39416143942027104
Volume 5.3245673811326E+23
Space diagonal 140385440.73733

Equilateral Triangle

Length = n
Perimeter 243154716
Area 2.8446151644183E+15
Altitude 70192720.368664

Triangular Pyramid

Length = n
Surface area 2.8446151644183E+15
Volume 6.275062836806E+22
Height 38208077.45802