31431409 (number)

31431409 is an odd 8-digits composite number following 31431408 and preceding 31431410. In scientific notation, it is written as 3.1431409 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 28828800 positive integers (up to 31431409) that are relatively prime to 31431409.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1431409 × 10^7
Engineering notation 3.1431409 × 10^6

Prime Factorization of 31431409

Prime Factorization 23 × 43 × 61 × 521

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 31431409
Product of the distinct prime numbers

The prime factorization of 31431409 is 23 × 43 × 61 × 521. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 4, 58, 52, 462, 284, 4174, 5063, 21514, 8254, 567970, 526277, 7978644, 4016233, 92038882, 27430664, 543317159, 570324955, 3550701257, 3224253105

Basic calculations (n = 31431409)

Multiplication

n×y
n×2 62862818
n×3 94294227
n×4 125725636
n×5 157157045

Division

n÷y
n÷2 15715704.5
n÷3 10477136.333333
n÷3 7857852.25
n÷5 6286281.8

Exponentiation

ny
n2 987933471725281
n3 3.1052141014587E+22
n4 9.7601254455517E+29
n5 3.0677449477044E+37

Nth Root

y√n
2√n 5606.3721781559
3√n 315.58858291724
4√n 74.875711536892
5√n 31.584410097493

Divisors of 31431409

1, 23, 43, 61, 521, 989, 1403, 2623, 11983, 22403, 31781, 60329, 515269, 730963, 1366583, 31431409

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31431408
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31431409 can be divided by 16 positive divisors. The sum of these divisors (counting 31431409) is 1, the average is 0.0625.

Base conversion 31431409

Base System Value
2 Binary 1110111111001101011110001
3 Ternary 2012010212210021
4 Quaternary 1313321223301
5 Quinary 31021301114
6 Senary 3041403441
8 Octal 167715361
10 Decimal 31431409
12 Duodecimal a639581
16 Hexadecimal 1df9af1
20 Vigesimal 9g8ia9
36 Base36 ipomp

Cryptographic Hash Functions

md5 5bee5a20cbe2f290471cee0d9f20c517
sha1 68db388f5d623ccdebfd9f6488e6cab9f79412fb
sha256 5237c967ac2a11626a951b8e998998eb14b89c3a1713121a701c669e738bd946
sha512 17331d5cfd33874a333a4bb82eb8c7f444c5b9a98813cf95812129a77345d9ecb6b886368f1a8cd58a46c7842356bfcfd459ae60c69f204ec05b0b02ee1057db
ripemd-160 a77435aa1bc255606c7c2cc76424b64ee92a0d5c

31431409 as geometric shapes

Circle

Radius = n
Diameter 62862818
Circumference 197489367.21275
Area 3.1036845370076E+15

Sphere

Radius = n
Volume 1.3007090411955E+23
Surface area 1.241473814803E+16
Circumference 197489367.21275

Square

Length = n
Perimeter 125725636
Area 987933471725281
Diagonal 44450724.892296

Cube

Length = n
Surface area 5927600830351686
Volume 3.1052141014587E+22
Space diagonal 54440797.341478

Equilateral Triangle

Length = n
Perimeter 94294227
Area 4.2778774188152E+14
Altitude 27220398.670739

Triangular Pyramid

Length = n
Surface area 4.2778774188152E+14
Volume 3.6595299136293E+21
Height 14816908.297432