131991907 (number)

131991907 is an odd 9-digits composite number following 131991906 and preceding 131991908. In scientific notation, it is written as 1.31991907 × 10^8. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 131228776 positive integers (up to 131991907) that are relatively prime to 131991907.

Interesting facts

Basic properties

Name

Name one hundred thirty-one million nine hundred ninety-one thousand nine hundred seven

Notation

Scientific notation 1.31991907 × 10^8
Engineering notation 1.31991907 × 10^6

Prime Factorization of 131991907

Prime Factorization 173 × 762959

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 131991907
Product of the distinct prime numbers

The prime factorization of 131991907 is 173 × 762959. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 131991907)

Multiplication

n×y
n×2 263983814
n×3 395975721
n×4 527967628
n×5 659959535

Division

n÷y
n÷2 65995953.5
n÷3 43997302.333333
n÷3 32997976.75
n÷5 26398381.4

Exponentiation

ny
n2 17421863513496649
n3 2.2995449886401E+24
n4 3.0352132828291E+32
n5 4.0062358935234E+40

Nth Root

y√n
2√n 11488.77308506
3√n 509.15393102859
4√n 107.1856944049
5√n 42.083268277838

Divisors of 131991907

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -131991906
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 131991907 can be divided by 4 positive divisors. The sum of these divisors (counting 131991907) is 1, the average is 0.25.

Base conversion 131991907

Base System Value
2 Binary 111110111100000100101100011
3 Ternary 100012100212212011
4 Quaternary 13313200211203
5 Quinary 232242220112
6 Senary 21033013351
8 Octal 767404543
10 Decimal 131991907
12 Duodecimal 38254257
16 Hexadecimal 7de0963
20 Vigesimal 214ijf7
36 Base36 26l1lv

Cryptographic Hash Functions

md5 da75b66af4cfc12b1fae8cf7b3475648
sha1 5dc7d63659cd8b92f20d5fbc3318f75ba86f6724
sha256 0e4282f71f29aba537558a649f5647e689dce9dcb275f96ff15e97db74c8c378
sha512 18292f135a2d8c457d408c25407133beaa5ade1289c248b4f8765749617cdf05cb2013db76851ec5dca0b06981caef7ad3926d0e07157e6bf8f86ba75d960e18
ripemd-160 91ec7f92c75f2c5bea2cf62d8e84fa6a9103bb4e

131991907 as geometric shapes

Circle

Radius = n
Diameter 263983814
Circumference 829329610.72901
Area 5.4732398425845E+16

Sphere

Radius = n
Volume 9.6323115238815E+24
Surface area 2.1892959370338E+17
Circumference 829329610.72901

Square

Length = n
Perimeter 527967628
Area 17421863513496649
Diagonal 186664745.00289

Cube

Length = n
Surface area 104531181080979894
Volume 2.2995449886401E+24
Space diagonal 228616689.11191

Equilateral Triangle

Length = n
Perimeter 395975721
Area 7.5438881919767E+15
Altitude 114308344.55595

Triangular Pyramid

Length = n
Surface area 7.5438881919767E+15
Volume 2.7100397585183E+23
Height 62221581.667629