81749104 (number)

81749104 is an even 8-digits composite number following 81749103 and preceding 81749105. In scientific notation, it is written as 8.1749104 × 10^7. The sum of its digits is 34. It has a total of 6 prime factors and 20 positive divisors. There are 40808768 positive integers (up to 81749104) that are relatively prime to 81749104.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred forty-nine thousand one hundred four

Notation

Scientific notation 8.1749104 × 10^7
Engineering notation 8.1749104 × 10^6

Prime Factorization of 81749104

Prime Factorization 2 × 2 × 2 × 2 × 677 × 7547

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10218638
Product of the distinct prime numbers

The prime factorization of 81749104 is 2 × 2 × 2 × 2 × 677 × 7547. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81749104)

Multiplication

n×y
n×2 163498208
n×3 245247312
n×4 326996416
n×5 408745520

Division

n÷y
n÷2 40874552
n÷3 27249701.333333
n÷3 20437276
n÷5 16349820.8

Exponentiation

ny
n2 6682916004802816
n3 5.4632239549989E+23
n4 4.466136632725E+31
n5 3.6510266806684E+39

Nth Root

y√n
2√n 9041.5211109636
3√n 434.00460116736
4√n 95.086913457971
5√n 38.238126029871

Divisors of 81749104

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81749103
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81749104 can be divided by 20 positive divisors. The sum of these divisors (counting 81749104) is 1, the average is 0.05.

Base conversion 81749104

Base System Value
2 Binary 100110111110110010001110000
3 Ternary 12200211021200121
4 Quaternary 10313312101300
5 Quinary 131411432404
6 Senary 12040100024
8 Octal 467662160
10 Decimal 81749104
12 Duodecimal 23464614
16 Hexadecimal 4df6470
20 Vigesimal 15aicf4
36 Base36 1co60g

Cryptographic Hash Functions

md5 67babc1586b488aa7db9e03364a77bbc
sha1 3fcb58907ff7fcd9fcf4c785314ec8c68eaec541
sha256 f0776fb1ea5400e7725dde2e97b9c6d637660b4b41e518528a2a2091cccb88eb
sha512 d9e89e0335cfa1856ada19c2b9c0b5b56592b0e0df808deb926fc415183e05bede3fdb94bd3ca1a4a7eb970c4082e3f6e51766a4ea0acd796e37eb787b57d907
ripemd-160 94f81163b8c5d71e88e85f7970df0f8f3b815389

81749104 as geometric shapes

Circle

Radius = n
Diameter 163498208
Circumference 513644769.1279
Area 2.0994999825246E+16

Sphere

Radius = n
Volume 2.2884298989254E+24
Surface area 8.3979999300985E+16
Circumference 513644769.1279

Square

Length = n
Perimeter 326996416
Area 6682916004802816
Diagonal 115610691.58865

Cube

Length = n
Surface area 40097496028816896
Volume 5.4632239549989E+23
Space diagonal 141593601.60123

Equilateral Triangle

Length = n
Perimeter 245247312
Area 2.8937875157584E+15
Altitude 70796800.800616

Triangular Pyramid

Length = n
Surface area 2.8937875157584E+15
Volume 6.4384711762009E+22
Height 38536897.196216