20151397 (number)

20151397 is an odd 8-digits composite number following 20151396 and preceding 20151398. In scientific notation, it is written as 2.0151397 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 6 positive divisors. There are 17272584 positive integers (up to 20151397) that are relatively prime to 20151397.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-one thousand three hundred ninety-seven

Notation

Scientific notation 2.0151397 × 10^7
Engineering notation 2.0151397 × 10^6

Prime Factorization of 20151397

Prime Factorization 7 × 7 × 411253

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 2878771
Product of the distinct prime numbers

The prime factorization of 20151397 is 7 × 7 × 411253. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20151397)

Multiplication

n×y
n×2 40302794
n×3 60454191
n×4 80605588
n×5 100756985

Division

n÷y
n÷2 10075698.5
n÷3 6717132.3333333
n÷3 5037849.25
n÷5 4030279.4

Exponentiation

ny
n2 406078801051609
n3 8.183055133275E+21
n4 1.6489999266351E+29
n5 3.3229652174595E+36

Nth Root

y√n
2√n 4489.0307417081
3√n 272.12496510582
4√n 67.000229415339
5√n 28.897550530485

Divisors of 20151397

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20151396
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20151397 can be divided by 6 positive divisors. The sum of these divisors (counting 20151397) is 1, the average is 0.16666666666667.

Base conversion 20151397

Base System Value
2 Binary 1001100110111110001100101
3 Ternary 1101220210112001
4 Quaternary 1030313301211
5 Quinary 20124321042
6 Senary 1555525301
8 Octal 114676145
10 Decimal 20151397
12 Duodecimal 68b9831
16 Hexadecimal 1337c65
20 Vigesimal 65ii9h
36 Base36 bzwx1

Cryptographic Hash Functions

md5 3565546b9a6fc69242d840bce9d6b3f1
sha1 b226cdd804234c01c450059711a8ee6fe0700119
sha256 71788c3f0cf00b0e776d83768c4ed9784ca4e4985f133352d2a1d52de881f8dd
sha512 1ce656cf0806870f56094049cfc9900d5d1ed0a268b9089ed7e5bd2e73c38f86c12aede1096be16d3b4da000c3b58c69900e049c2bd8e22d652c14f75bbac39a
ripemd-160 c169840f91f8370e37518c877b1e6d92f3a68e1e

20151397 as geometric shapes

Circle

Radius = n
Diameter 40302794
Circumference 126614961.54954
Area 1.2757341781623E+15

Sphere

Radius = n
Volume 3.4277101187489E+22
Surface area 5.1029367126491E+15
Circumference 126614961.54954

Square

Length = n
Perimeter 80605588
Area 406078801051609
Diagonal 28498378.938165

Cube

Length = n
Surface area 2436472806309654
Volume 8.183055133275E+21
Space diagonal 34903243.447491

Equilateral Triangle

Length = n
Perimeter 60454191
Area 1.7583727882451E+14
Altitude 17451621.723746

Triangular Pyramid

Length = n
Surface area 1.7583727882451E+14
Volume 9.6438229592702E+20
Height 9499459.6460548