31409987 (number)

31409987 is an odd 8-digits composite number following 31409986 and preceding 31409988. In scientific notation, it is written as 3.1409987 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 25861920 positive integers (up to 31409987) that are relatively prime to 31409987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1409987 × 10^7
Engineering notation 3.1409987 × 10^6

Prime Factorization of 31409987

Prime Factorization 7 × 29 × 431 × 359

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 31409987
Product of the distinct prime numbers

The prime factorization of 31409987 is 7 × 29 × 431 × 359. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 7, 86, 28, 619, 836, 6647, 618, 13913, 12978, 234749, 53646, 4849020, 3241951, 67138584, 153502, 924634599, 481320081, 5399632853, 3949992597

Basic calculations (n = 31409987)

Multiplication

n×y
n×2 62819974
n×3 94229961
n×4 125639948
n×5 157049935

Division

n÷y
n÷2 15704993.5
n÷3 10469995.666667
n÷3 7852496.75
n÷5 6281997.4

Exponentiation

ny
n2 986587283340169
n3 3.098869374408E+22
n4 9.7335446764853E+29
n5 3.0573051175232E+37

Nth Root

y√n
2√n 5604.4613478906
3√n 315.51687041376
4√n 74.862950435383
5√n 31.580103667813

Divisors of 31409987

1, 7, 29, 203, 359, 431, 2513, 3017, 10411, 12499, 72877, 87493, 154729, 1083103, 4487141, 31409987

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 -31409986
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 31409987 can be divided by 16 positive divisors. The sum of these divisors (counting 31409987) is 1, the average is 0.0625.

Base conversion 31409987

Base System Value
2 Binary 1110111110100011101000011
3 Ternary 2012002210101212
4 Quaternary 1313310131003
5 Quinary 31020104422
6 Senary 3041120335
8 Octal 167643503
10 Decimal 31409987
12 Duodecimal a6290ab
16 Hexadecimal 1df4743
20 Vigesimal 9g64j7
36 Base36 ip83n

Cryptographic Hash Functions

md5 34a323f69e004b4866179bf4765f7d44
sha1 229e77274104667815a83bcff1c625d2421d407b
sha256 0b8a03623a260a59b5b646b2ed367bc9f7dcfaefbeb66bb8788aae45098ec250
sha512 b0291048b58048714b758db62189fad6bc1b8bea616a1ec49fb2cf90da256210e44ca58c9b73b0c134b9455833ba4ec0390e6318e0c147f89e9b0de5ec7b6e2f
ripemd-160 673a38c49120f76e9baca1addfaa4ff5be9cdbda

31409987 as geometric shapes

Circle

Radius = n
Diameter 62819974
Circumference 197354768.8171
Area 3.0994553614666E+15

Sphere

Radius = n
Volume 1.2980513681433E+23
Surface area 1.2397821445866E+16
Circumference 197354768.8171

Square

Length = n
Perimeter 125639948
Area 986587283340169
Diagonal 44420429.609363

Cube

Length = n
Surface area 5919523700041014
Volume 3.098869374408E+22
Space diagonal 54403693.349078

Equilateral Triangle

Length = n
Perimeter 94229961
Area 4.2720482521163E+14
Altitude 27201846.674539

Triangular Pyramid

Length = n
Surface area 4.2720482521163E+14
Volume 3.652052581092E+21
Height 14806809.869788