21031907 (number)

21031907 is an odd 8-digits composite number following 21031906 and preceding 21031908. In scientific notation, it is written as 2.1031907 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 17951232 positive integers (up to 21031907) that are relatively prime to 21031907.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand nine hundred seven

Notation

Scientific notation 2.1031907 × 10^7
Engineering notation 2.1031907 × 10^6

Prime Factorization of 21031907

Prime Factorization 13 × 17 × 59 × 1613

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21031907
Product of the distinct prime numbers

The prime factorization of 21031907 is 13 × 17 × 59 × 1613. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 2, 32, 51, 80, 854, 2506, 8815, 41549, 52645, 233454, 550154, 1308047, 272460, 5650911, 5405195, 876755376, 776900684, 9453230638, 5191512568

Basic calculations (n = 21031907)

Multiplication

n×y
n×2 42063814
n×3 63095721
n×4 84127628
n×5 105159535

Division

n÷y
n÷2 10515953.5
n÷3 7010635.6666667
n÷3 5257976.75
n÷5 4206381.4

Exponentiation

ny
n2 442341112056649
n3 9.303277131052E+21
n4 1.9566565941551E+29
n5 4.1152219519207E+36

Nth Root

y√n
2√n 4586.0557127013
3√n 276.03207549224
4√n 67.72042315802
5√n 29.145783230294

Divisors of 21031907

1, 13, 17, 59, 221, 767, 1003, 1613, 13039, 20969, 27421, 95167, 356473, 1237171, 1617839, 21031907

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 -21031906
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 21031907 can be divided by 16 positive divisors. The sum of these divisors (counting 21031907) is 1, the average is 0.0625.

Base conversion 21031907

Base System Value
2 Binary 1010000001110101111100011
3 Ternary 1110120112100112
4 Quaternary 1100032233203
5 Quinary 20341010112
6 Senary 2030441535
8 Octal 120165743
10 Decimal 21031907
12 Duodecimal 70632ab
16 Hexadecimal 140ebe3
20 Vigesimal 6b8jf7
36 Base36 cisbn

Cryptographic Hash Functions

md5 0c9a07944ebd70fbf3313e548e9cda48
sha1 d8578dde60522b855617e099adf3f5de946f3d06
sha256 def53e3b9ece1bd10cd2d22e9a28134af5c50c1499ddf5744aa7eca7583579f4
sha512 31dbb087e3d681580c8cbf9e7a5a4f2e0f6330802d2b933265c2119aee066de58ad4f695e7081707dda92142772e09cc0007b64c6bf362da0e340e5e124613c1
ripemd-160 6895f4f1344cbc5473d9ce7de119fa45b24ce302

21031907 as geometric shapes

Circle

Radius = n
Diameter 42063814
Circumference 132147369.04437
Area 1.3896555880179E+15

Sphere

Radius = n
Volume 3.8969476118964E+22
Surface area 5.5586223520716E+15
Circumference 132147369.04437

Square

Length = n
Perimeter 84127628
Area 442341112056649
Diagonal 29743608.12197

Cube

Length = n
Surface area 2654046672339894
Volume 9.303277131052E+21
Space diagonal 36428331.504064

Equilateral Triangle

Length = n
Perimeter 63095721
Area 1.9153932008966E+14
Altitude 18214165.752032

Triangular Pyramid

Length = n
Surface area 1.9153932008966E+14
Volume 1.0964017244374E+21
Height 9914536.0406565