27991907 (number)

27991907 is an odd 8-digits prime number following 27991906 and preceding 27991908. In scientific notation, it is written as 2.7991907 × 10^7. The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors. There are 27991906 positive integers (up to 27991907) that are relatively prime to 27991907.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.7991907 × 10^7
Engineering notation 2.7991907 × 10^6

Prime Factorization of 27991907

Prime Factorization 27991907

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 27991907
Product of the distinct prime numbers

The prime factorization of 27991907 is 27991907. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 27991907)

Multiplication

n×y
n×2 55983814
n×3 83975721
n×4 111967628
n×5 139959535

Division

n÷y
n÷2 13995953.5
n÷3 9330635.6666667
n÷3 6997976.75
n÷5 5598381.4

Exponentiation

ny
n2 783546857496649
n3 2.1932970765188E+22
n4 6.1394567789287E+29
n5 1.7185510318629E+37

Nth Root

y√n
2√n 5290.7378502436
3√n 303.62963827968
4√n 72.737458370798
5√n 30.860751487004

Divisors of 27991907

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 27991908
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 13995954
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 5290.7379447484
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999285508
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 27991907 can be divided by 2 positive divisors. The sum of these divisors (counting 27991907) is 27991908, the average is 13995954.

Base conversion 27991907

Base System Value
2 Binary 1101010110001111101100011
3 Ternary 1221200010200022
4 Quaternary 1222301331203
5 Quinary 24131220112
6 Senary 2435544055
8 Octal 152617543
10 Decimal 27991907
12 Duodecimal 945b02b
16 Hexadecimal 1ab1f63
20 Vigesimal 8eijf7
36 Base36 gnyoz

Cryptographic Hash Functions

md5 1e93f97ee21c2cd32f0390d3126db284
sha1 36484629eb39c2907b8619aa158a3a3e1c10b4c9
sha256 37039127fe35d56e40a6e98599582e2428bc108c8159a09cc91d4252529f6bc1
sha512 df8e4482d4db9757b7454c3519be8569f2aa4c6d7fc9455bcd4150b8979893ef1a081872ffabf27588e6a2af711539060368f4f7f63fd5d08e593c3fd7ea0829
ripemd-160 405bdd30fc7a0f90f3f125fc0f4d81d9f14400ad

27991907 as geometric shapes

Circle

Radius = n
Diameter 55983814
Circumference 175878338.78234
Area 2.4615850512548E+15

Sphere

Radius = n
Volume 9.1872613103088E+22
Surface area 9.8463402050194E+15
Circumference 175878338.78234

Square

Length = n
Perimeter 111967628
Area 783546857496649
Diagonal 39586534.516086

Cube

Length = n
Surface area 4701281144979894
Volume 2.1932970765188E+22
Space diagonal 48483405.124743

Equilateral Triangle

Length = n
Perimeter 83975721
Area 3.3928574182378E+14
Altitude 24241702.562371

Triangular Pyramid

Length = n
Surface area 3.3928574182378E+14
Volume 2.5848253932718E+21
Height 13195511.505362