81093908 (number)

81093908 is an even 8-digits composite number following 81093907 and preceding 81093909. In scientific notation, it is written as 8.1093908 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors. There are 34713504 positive integers (up to 81093908) that are relatively prime to 81093908.

Interesting facts

Basic properties

Name

Name eighty-one million ninety-three thousand nine hundred eight

Notation

Scientific notation 8.1093908 × 10^7
Engineering notation 8.1093908 × 10^6

Prime Factorization of 81093908

Prime Factorization 2 × 2 × 7 × 1543 × 1877

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40546954
Product of the distinct prime numbers

The prime factorization of 81093908 is 2 × 2 × 7 × 1543 × 1877. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 2, 21, 17, 649, 75, 2958, 3386, 34883, 26173, 431589, 184551, 334473, 2942794, 57220124, 70721546, 334507387, 892971455, 3198521678, 1694701252

Basic calculations (n = 81093908)

Multiplication

n×y
n×2 162187816
n×3 243281724
n×4 324375632
n×5 405469540

Division

n÷y
n÷2 40546954
n÷3 27031302.666667
n÷3 20273477
n÷5 16218781.6

Exponentiation

ny
n2 6576221914712464
n3 5.3329153493928E+23
n4 4.3246694671544E+31
n5 3.5070434789983E+39

Nth Root

y√n
2√n 9005.2155998621
3√n 432.84201487699
4√n 94.895814448595
5√n 38.176635021409

Divisors of 81093908

1, 2, 4, 7, 14, 28, 1543, 1877, 3086, 3754, 6172, 7508, 10801, 13139, 21602, 26278, 43204, 52556, 2896211, 5792422, 11584844, 20273477, 40546954, 81093908

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 -81093907
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 81093908 can be divided by 24 positive divisors. The sum of these divisors (counting 81093908) is 1, the average is 0.041666666666667.

Base conversion 81093908

Base System Value
2 Binary 100110101010110010100010100
3 Ternary 12122120222221002
4 Quaternary 10311112110110
5 Quinary 131230001113
6 Senary 12014042432
8 Octal 465262424
10 Decimal 81093908
12 Duodecimal 231a9418
16 Hexadecimal 4d56514
20 Vigesimal 156gef8
36 Base36 1ca4gk

Cryptographic Hash Functions

md5 3421a4a26657103201f65eb8477ae805
sha1 d40b686cf1245dc1135349eeda5a198f6e3be59a
sha256 efb90b52ca81705c9a1cd208189a84224b41c2c24526431a282d6c0bcdced768
sha512 abb7d995f16a39cd0f10dbdb99f0aca0278044ac6efe8300b3561d8faa02257cde2c787e46ff046b38e43ff78e5c84c0f6a37eeb69ae3e48c621e81f88c4ba29
ripemd-160 f9c6740ef007ec6bce464769d3dad2b43d77f34d

81093908 as geometric shapes

Circle

Radius = n
Diameter 162187816
Circumference 509528051.24737
Area 2.0659810455637E+16

Sphere

Radius = n
Volume 2.2338463578491E+24
Surface area 8.2639241822548E+16
Circumference 509528051.24737

Square

Length = n
Perimeter 324375632
Area 6576221914712464
Diagonal 114684104.51944

Cube

Length = n
Surface area 39457331488274784
Volume 5.3329153493928E+23
Space diagonal 140458768.84032

Equilateral Triangle

Length = n
Perimeter 243281724
Area 2.8475876195325E+15
Altitude 70229384.420158

Triangular Pyramid

Length = n
Surface area 2.8475876195325E+15
Volume 6.2849010117491E+22
Height 38228034.839812