20121657 (number)

20121657 is an odd 8-digits composite number following 20121656 and preceding 20121658. In scientific notation, it is written as 2.0121657 × 10^7. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 13414436 positive integers (up to 20121657) that are relatively prime to 20121657.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand six hundred fifty-seven

Notation

Scientific notation 2.0121657 × 10^7
Engineering notation 2.0121657 × 10^6

Prime Factorization of 20121657

Prime Factorization 3 × 6707219

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20121657
Product of the distinct prime numbers

The prime factorization of 20121657 is 3 × 6707219. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121657)

Multiplication

n×y
n×2 40243314
n×3 60364971
n×4 80486628
n×5 100608285

Division

n÷y
n÷2 10060828.5
n÷3 6707219
n÷3 5030414.25
n÷5 4024331.4

Exponentiation

ny
n2 404881080425649
n3 8.1468782261143E+21
n4 1.6392868928664E+29
n5 3.2985168582854E+36

Nth Root

y√n
2√n 4485.7169995442
3√n 271.99102929613
4√n 66.975495515481
5√n 28.889015926746

Divisors of 20121657

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 -20121656
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 20121657 can be divided by 4 positive divisors. The sum of these divisors (counting 20121657) is 1, the average is 0.25.

Base conversion 20121657

Base System Value
2 Binary 1001100110000100000111001
3 Ternary 1101212021201120
4 Quaternary 1030300200321
5 Quinary 20122343112
6 Senary 1555135453
8 Octal 114604071
10 Decimal 20121657
12 Duodecimal 68a4589
16 Hexadecimal 1330839
20 Vigesimal 65f42h
36 Base36 bz9yx

Cryptographic Hash Functions

md5 8cc4c4bbd3426cda60e491a9478f99d4
sha1 6dace1e57c0b60c38dea6c2599a67f2d7e025ef5
sha256 1bc3d09811a3c9230611ef424dbfe670c0c93bb69257f0df3d39e85c11c627c8
sha512 358cdaf01845fd4004ca81d4fb11f33d9ba7df7adabf70bc162bdde58d25e2c9ac7d54b50c75c19d683a1931d5137ba2106c4323297ac4c636dbb6ca2be3f4bf
ripemd-160 4b543337a68324803894798592752176a9674c3e

20121657 as geometric shapes

Circle

Radius = n
Diameter 40243314
Circumference 126428099.61851
Area 1.2719714278427E+15

Sphere

Radius = n
Volume 3.4125563713135E+22
Surface area 5.0878857113709E+15
Circumference 126428099.61851

Square

Length = n
Perimeter 80486628
Area 404881080425649
Diagonal 28456320.22682

Cube

Length = n
Surface area 2429286482553894
Volume 8.1468782261143E+21
Space diagonal 34851732.256474

Equilateral Triangle

Length = n
Perimeter 60364971
Area 1.7531865058015E+14
Altitude 17425866.128237

Triangular Pyramid

Length = n
Surface area 1.7531865058015E+14
Volume 9.6011880653108E+20
Height 9485440.0756065