31490987 (number)

31490987 is an odd 8-digits composite number following 31490986 and preceding 31490988. In scientific notation, it is written as 3.1490987 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 26363520 positive integers (up to 31490987) that are relatively prime to 31490987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1490987 × 10^7
Engineering notation 3.1490987 × 10^6

Prime Factorization of 31490987

Prime Factorization 11 × 17 × 47 × 3583

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 31490987
Product of the distinct prime numbers

The prime factorization of 31490987 is 11 × 17 × 47 × 3583. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 2, 35, 36, 106, 348, 3380, 3264, 17242, 50657, 29402, 927778, 1432844, 4441071, 16352276, 82027062, 417152860, 672812503, 3274299919, 1209894089

Basic calculations (n = 31490987)

Multiplication

n×y
n×2 62981974
n×3 94472961
n×4 125963948
n×5 157454935

Division

n÷y
n÷2 15745493.5
n÷3 10496995.666667
n÷3 7872746.75
n÷5 6298197.4

Exponentiation

ny
n2 991682262234169
n3 3.1229053228147E+22
n4 9.8343370922988E+29
n5 3.096929815272E+37

Nth Root

y√n
2√n 5611.6830808591
3√n 315.78785566081
4√n 74.911167931485
5√n 31.596374631941

Divisors of 31490987

1, 11, 17, 47, 187, 517, 799, 3583, 8789, 39413, 60911, 168401, 670021, 1852411, 2862817, 31490987

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 -31490986
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 31490987 can be divided by 16 positive divisors. The sum of these divisors (counting 31490987) is 1, the average is 0.0625.

Base conversion 31490987

Base System Value
2 Binary 1111000001000001110101011
3 Ternary 2012020220111212
4 Quaternary 1320020032223
5 Quinary 31030202422
6 Senary 3042543335
8 Octal 170101653
10 Decimal 31490987
12 Duodecimal a667b4b
16 Hexadecimal 1e083ab
20 Vigesimal 9gg797
36 Base36 iqyln

Cryptographic Hash Functions

md5 b33ba6d4aa2376af209fed30fb9a7659
sha1 63ac5db19bf840531f47e7686574833e3af4f442
sha256 29180a1690af8c2582937dff572e86cfedcffe10392f16ba6394bb58109ead68
sha512 91c77b9db693f973a3fed604b61caaa284d22b67ac8ba6a92eb6b6b520339b400bc0b212c6c044a3bddbc2b1df6cc4a4b84cfa3eb3c2c61d541e166bda89cdeb
ripemd-160 aa129e978e8e7dc470886fa6ac079e95e9353264

31490987 as geometric shapes

Circle

Radius = n
Diameter 62981974
Circumference 197863706.82698
Area 3.1154617097302E+15

Sphere

Radius = n
Volume 1.3081195226681E+23
Surface area 1.2461846838921E+16
Circumference 197863706.82698

Square

Length = n
Perimeter 125963948
Area 991682262234169
Diagonal 44534980.907915

Cube

Length = n
Surface area 5950093573405014
Volume 3.1229053228147E+22
Space diagonal 54543989.464491

Equilateral Triangle

Length = n
Perimeter 94472961
Area 4.2941101578861E+14
Altitude 27271994.732246

Triangular Pyramid

Length = n
Surface area 4.2941101578861E+14
Volume 3.680379217943E+21
Height 14844993.635972