31998907 (number)

31998907 is an odd 8-digits composite number following 31998906 and preceding 31998908. In scientific notation, it is written as 3.1998907 × 10^7. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 29508192 positive integers (up to 31998907) that are relatively prime to 31998907.

Interesting facts

Basic properties

Name

Name thirty-one million nine hundred ninety-eight thousand nine hundred seven

Notation

Scientific notation 3.1998907 × 10^7
Engineering notation 3.1998907 × 10^6

Prime Factorization of 31998907

Prime Factorization 19 × 103 × 83 × 197

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 31998907
Product of the distinct prime numbers

The prime factorization of 31998907 is 19 × 103 × 83 × 197. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31998907)

Multiplication

n×y
n×2 63997814
n×3 95996721
n×4 127995628
n×5 159994535

Division

n÷y
n÷2 15999453.5
n÷3 10666302.333333
n÷3 7999726.75
n÷5 6399781.4

Exponentiation

ny
n2 1023930049194649
n3 3.2764642418685E+22
n4 1.0484327456438E+30
n5 3.3548701923609E+37

Nth Root

y√n
2√n 5656.7576402034
3√n 317.47659570801
4√n 75.211419613005
5√n 31.697647310231

Divisors of 31998907

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 -31998906
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 31998907 can be divided by 16 positive divisors. The sum of these divisors (counting 31998907) is 1, the average is 0.0625.

Base conversion 31998907

Base System Value
2 Binary 1111010000100001110111011
3 Ternary 2020012201020201
4 Quaternary 1322010032323
5 Quinary 31142431112
6 Senary 3101503031
8 Octal 172041673
10 Decimal 31998907
12 Duodecimal a871a77
16 Hexadecimal 1e843bb
20 Vigesimal 9jjh57
36 Base36 j1uij

Cryptographic Hash Functions

md5 911e6189c27273c109a22a8909ca7ca8
sha1 a541f44780e126dc7653df79c589118c31e8ace2
sha256 42c8b7ed934be5f3e56c17a5c0de9b5b2dee071d04bb4f9ca86bec63532a6ec5
sha512 df848199cd57372286e2ee1a88a860d0831370123ea5bb12eee59530756949b4d53c8bb8bd09008f52798900544586059e4643a453c936867be88dfe6116aed3
ripemd-160 36b97d1fb5cd3e25968b4c68d3a804e24ba5321d

31998907 as geometric shapes

Circle

Radius = n
Diameter 63997814
Circumference 201055062.30821
Area 3.2167711203397E+15

Sphere

Radius = n
Volume 1.3724421322672E+23
Surface area 1.2867084481359E+16
Circumference 201055062.30821

Square

Length = n
Perimeter 127995628
Area 1023930049194649
Diagonal 45253288.260515

Cube

Length = n
Surface area 6143580295167894
Volume 3.2764642418685E+22
Space diagonal 55423732.710671

Equilateral Triangle

Length = n
Perimeter 95996721
Area 4.4337471715041E+14
Altitude 27711866.355336

Triangular Pyramid

Length = n
Surface area 4.4337471715041E+14
Volume 3.8613501395674E+21
Height 15084429.420172