101991808 (number)

101991808 is an even 9-digits composite number following 101991807 and preceding 101991809. In scientific notation, it is written as 1.01991808 × 10^8. The sum of its digits is 37. It has a total of 9 prime factors and 32 positive divisors. There are 50880000 positive integers (up to 101991808) that are relatively prime to 101991808.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.01991808 × 10^8
Engineering notation 1.01991808 × 10^6

Prime Factorization of 101991808

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 751 × 1061

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 1593622
Product of the distinct prime numbers

The prime factorization of 101991808 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 751 × 1061. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 101991808)

Multiplication

n×y
n×2 203983616
n×3 305975424
n×4 407967232
n×5 509959040

Division

n÷y
n÷2 50995904
n÷3 33997269.333333
n÷3 25497952
n÷5 20398361.6

Exponentiation

ny
n2 10402328899108864
n3 1.0609523318308E+24
n4 1.0820844652524E+32
n5 1.103637510198E+40

Nth Root

y√n
2√n 10099.099365785
3√n 467.22036409642
4√n 100.49427528862
5√n 39.968059029437

Divisors of 101991808

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -101991807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 101991808 can be divided by 32 positive divisors. The sum of these divisors (counting 101991808) is 1, the average is 0.03125.

Base conversion 101991808

Base System Value
2 Binary 110000101000100010110000000
3 Ternary 21002220201110101
4 Quaternary 12011010112000
5 Quinary 202102214213
6 Senary 14042012144
8 Octal 605042600
10 Decimal 101991808
12 Duodecimal 2a1a7054
16 Hexadecimal 6144580
20 Vigesimal 1bh8ja8
36 Base36 1oq1ds

Cryptographic Hash Functions

md5 e9aaf86125c8a95ed93183d2deff2186
sha1 36cbadc1c53ed8dbc773fe146f24e90dc3d2f47d
sha256 6a7f549f9feb8ebedee72b7e5f918a561ea63b34032c8da912535fb7c340e468
sha512 c568a2c5768d490a63214ef77fd09fed33c6dbb85eb066220f1ae53db8fc18dae2e8bad4d399c5f74fc3424ac8a423a3cd2fe8d603742314121557ad3ad41007
ripemd-160 ae1647e9045a6279dda13becb4b169fc7980f064

101991808 as geometric shapes

Circle

Radius = n
Diameter 203983616
Circumference 640833429.47828
Area 3.2679880049665E+16

Sphere

Radius = n
Volume 4.444106735318E+24
Surface area 1.3071952019866E+17
Circumference 640833429.47828

Square

Length = n
Perimeter 407967232
Area 10402328899108864
Diagonal 144238198.12455

Cube

Length = n
Surface area 62413973394653184
Volume 1.0609523318308E+24
Space diagonal 176654993.41181

Equilateral Triangle

Length = n
Perimeter 305975424
Area 4.5043405425746E+15
Altitude 88327496.705905

Triangular Pyramid

Length = n
Surface area 4.5043405425746E+15
Volume 1.250344313922E+23
Height 48079399.374851