81102908 (number)

81102908 is an even 8-digits composite number following 81102907 and preceding 81102909. In scientific notation, it is written as 8.1102908 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors. There are 39058880 positive integers (up to 81102908) that are relatively prime to 81102908.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred two thousand nine hundred eight

Notation

Scientific notation 8.1102908 × 10^7
Engineering notation 8.1102908 × 10^6

Prime Factorization of 81102908

Prime Factorization 2 × 2 × 743 × 29 × 941

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40551454
Product of the distinct prime numbers

The prime factorization of 81102908 is 2 × 2 × 743 × 29 × 941. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 9, 6, 68, 110, 371, 3378, 8033, 56477, 8472, 398887, 35484, 5892576, 6757372, 52388027, 26570468, 613851330, 131920071, 4351976417, 9338207666

Basic calculations (n = 81102908)

Multiplication

n×y
n×2 162205816
n×3 243308724
n×4 324411632
n×5 405514540

Division

n÷y
n÷2 40551454
n÷3 27034302.666667
n÷3 20275727
n÷5 16220581.6

Exponentiation

ny
n2 6577681686056464
n3 5.3346911263752E+23
n4 4.3265896363083E+31
n5 3.5089900122726E+39

Nth Root

y√n
2√n 9005.7152964104
3√n 432.85802690602
4√n 94.898447281346
5√n 38.177482371036

Divisors of 81102908

1, 2, 4, 29, 58, 116, 743, 941, 1486, 1882, 2972, 3764, 21547, 27289, 43094, 54578, 86188, 109156, 699163, 1398326, 2796652, 20275727, 40551454, 81102908

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 -81102907
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 81102908 can be divided by 24 positive divisors. The sum of these divisors (counting 81102908) is 1, the average is 0.041666666666667.

Base conversion 81102908

Base System Value
2 Binary 100110101011000100000111100
3 Ternary 12122121110021102
4 Quaternary 10311120200330
5 Quinary 131230243113
6 Senary 12014152232
8 Octal 465304074
10 Decimal 81102908
12 Duodecimal 231b2678
16 Hexadecimal 4d5883c
20 Vigesimal 156hh58
36 Base36 1cabek

Cryptographic Hash Functions

md5 e2d4f954795cf46bc358c827f6fcc960
sha1 350219eb381dad6a7af38d64411ebf9c2b1f1c06
sha256 4850c2fae9993c9a182a69ff1c6889aec8835b8ef355fda5d5ecf24396cd60b9
sha512 14b5c4687250d6843e68329a65096e019065aaa803a3cc11ad6827a5691819ead4ef526b72b13a56261568112168a3a2e07467c63878f032039d1063ba017a4b
ripemd-160 f1fbfba00ae65c6b68935ce6bd0c68da6258114e

81102908 as geometric shapes

Circle

Radius = n
Diameter 162205816
Circumference 509584599.91514
Area 2.0664396462567E+16

Sphere

Radius = n
Volume 2.2345901935721E+24
Surface area 8.2657585850268E+16
Circumference 509584599.91514

Square

Length = n
Perimeter 324411632
Area 6577681686056464
Diagonal 114696832.4415

Cube

Length = n
Surface area 39466090116338784
Volume 5.3346911263752E+23
Space diagonal 140474357.29758

Equilateral Triangle

Length = n
Perimeter 243308724
Area 2.8482197190663E+15
Altitude 70237178.648792

Triangular Pyramid

Length = n
Surface area 2.8482197190663E+15
Volume 6.2869937849927E+22
Height 38232277.480499