31491091 (number)

31491091 is an odd 8-digits composite number following 31491090 and preceding 31491092. In scientific notation, it is written as 3.1491091 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 31473000 positive integers (up to 31491091) that are relatively prime to 31491091.

Interesting facts

Basic properties

Name

Name thirty-one million four hundred ninety-one thousand ninety-one

Notation

Scientific notation 3.1491091 × 10^7
Engineering notation 3.1491091 × 10^6

Prime Factorization of 31491091

Prime Factorization 1951 × 16141

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31491091
Product of the distinct prime numbers

The prime factorization of 31491091 is 1951 × 16141. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 9, 77, 35, 391, 360, 3345, 7394, 1551, 88053, 55665, 434191, 4263070, 8687271, 4767205, 72829143, 710724533, 316804822, 7396191355, 8468626954

Basic calculations (n = 31491091)

Multiplication

n×y
n×2 62982182
n×3 94473273
n×4 125964364
n×5 157455455

Division

n÷y
n÷2 15745545.5
n÷3 10497030.333333
n÷3 7872772.75
n÷5 6298218.2

Exponentiation

ny
n2 991688812370281
n3 3.1229362634034E+22
n4 9.8344670058038E+29
n5 3.0969809541626E+37

Nth Root

y√n
2√n 5611.6923472336
3√n 315.78820329362
4√n 74.911229780545
5√n 31.596395501522

Divisors of 31491091

1, 1951, 16141, 31491091

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 -31491090
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 31491091 can be divided by 4 positive divisors. The sum of these divisors (counting 31491091) is 1, the average is 0.25.

Base conversion 31491091

Base System Value
2 Binary 1111000001000010000010011
3 Ternary 2012020220122201
4 Quaternary 1320020100103
5 Quinary 31030203331
6 Senary 3042544031
8 Octal 170102023
10 Decimal 31491091
12 Duodecimal a668017
16 Hexadecimal 1e08413
20 Vigesimal 9gg7eb
36 Base36 iqyoj

Cryptographic Hash Functions

md5 2437670d6356a8cc1762897da73fdd9c
sha1 53382711cc0ae0ebd91678093fbf1596f7710582
sha256 94e4ecc47369dd69dc2af0775bbb1a0650a6147c0756f41828c413b3f8d49093
sha512 3bb9d07c1549318d906b1ab8ca6b77a7855fbd4f05868046f7addb098b1326a31e399dfc0bed431d7a2d9d153582214ee7077a63e99d51f0e17692e2dbb5ceb1
ripemd-160 5517dd3cc09909fe7804a1aaa720dfdc742ff289

31491091 as geometric shapes

Circle

Radius = n
Diameter 62982182
Circumference 197864360.27826
Area 3.1154822875897E+15

Sphere

Radius = n
Volume 1.3081324830317E+23
Surface area 1.2461929150359E+16
Circumference 197864360.27826

Square

Length = n
Perimeter 125964364
Area 991688812370281
Diagonal 44535127.986125

Cube

Length = n
Surface area 5950132874221686
Volume 3.1229362634034E+22
Space diagonal 54544169.597775

Equilateral Triangle

Length = n
Perimeter 94473273
Area 4.2941385208074E+14
Altitude 27272084.798887

Triangular Pyramid

Length = n
Surface area 4.2941385208074E+14
Volume 3.6804156817766E+21
Height 14845042.662042