31409905 (number)

31409905 is an odd 8-digits composite number following 31409904 and preceding 31409906. In scientific notation, it is written as 3.1409905 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 25127920 positive integers (up to 31409905) that are relatively prime to 31409905.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1409905 × 10^7
Engineering notation 3.1409905 × 10^6

Prime Factorization of 31409905

Prime Factorization 5 × 6281981

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31409905
Product of the distinct prime numbers

The prime factorization of 31409905 is 5 × 6281981. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 2, 18, 76, 626, 380, 5507, 1897, 67241, 86259, 413013, 401325, 354649, 8074154, 43656898, 3429395, 139249566, 571662422, 9492058468, 3072670067

Basic calculations (n = 31409905)

Multiplication

n×y
n×2 62819810
n×3 94229715
n×4 125639620
n×5 157049525

Division

n÷y
n÷2 15704952.5
n÷3 10469968.333333
n÷3 7852476.25
n÷5 6281981

Exponentiation

ny
n2 986582132109025
n3 3.0988451044242E+22
n4 9.7334430339679E+29
n5 3.0572652101984E+37

Nth Root

y√n
2√n 5604.4540322854
3√n 315.5165958471
4√n 74.862901575382
5√n 31.580087178973

Divisors of 31409905

1, 5, 6281981, 31409905

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 -31409904
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 31409905 can be divided by 4 positive divisors. The sum of these divisors (counting 31409905) is 1, the average is 0.25.

Base conversion 31409905

Base System Value
2 Binary 1110111110100011011110001
3 Ternary 2012002210021211
4 Quaternary 1313310123301
5 Quinary 31020104110
6 Senary 3041120121
8 Octal 167643361
10 Decimal 31409905
12 Duodecimal a629041
16 Hexadecimal 1df46f1
20 Vigesimal 9g64f5
36 Base36 ip81d

Cryptographic Hash Functions

md5 c165dd66d486a986388e332053783818
sha1 dd51e42aecc7d334f02f07ef73068404444aa3c4
sha256 96be6e9b0dd6ed741f8d428dfc739e39f8f053502629477fdee488f6a3224974
sha512 f104dea71e4997278aa9dbf68c5fe01f7801785c8abdbcefd7c02dc84f1407574b0b196e43c411b79c306ba25414110abdab2e1208dbe3ffbbd5db9273942c49
ripemd-160 ac6b0bb2d61f18503ea271921ee5769f398ac03c

31409905 as geometric shapes

Circle

Radius = n
Diameter 62819810
Circumference 197354253.59591
Area 3.0994391783967E+15

Sphere

Radius = n
Volume 1.2980412019562E+23
Surface area 1.2397756713587E+16
Circumference 197354253.59591

Square

Length = n
Perimeter 125639620
Area 986582132109025
Diagonal 44420313.64385

Cube

Length = n
Surface area 5919492792654150
Volume 3.0988451044242E+22
Space diagonal 54403551.320912

Equilateral Triangle

Length = n
Perimeter 94229715
Area 4.2720259466312E+14
Altitude 27201775.660456

Triangular Pyramid

Length = n
Surface area 4.2720259466312E+14
Volume 3.6520239786418E+21
Height 14806771.214617