21931407 (number)

21931407 is an odd 8-digits composite number following 21931406 and preceding 21931408. In scientific notation, it is written as 2.1931407 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 6 positive divisors. There are 14620932 positive integers (up to 21931407) that are relatively prime to 21931407.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1931407 × 10^7
Engineering notation 2.1931407 × 10^6

Prime Factorization of 21931407

Prime Factorization 3 × 3 × 2436823

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 7310469
Product of the distinct prime numbers

The prime factorization of 21931407 is 3 × 3 × 2436823. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21931407)

Multiplication

n×y
n×2 43862814
n×3 65794221
n×4 87725628
n×5 109657035

Division

n÷y
n÷2 10965703.5
n÷3 7310469
n÷3 5482851.75
n÷5 4386281.4

Exponentiation

ny
n2 480986612999649
n3 1.0548713171247E+22
n4 2.3134812188487E+29
n5 5.0737898197428E+36

Nth Root

y√n
2√n 4683.0980130678
3√n 279.91241733531
4√n 68.433164570023
5√n 29.390928003128

Divisors of 21931407

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 -21931406
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 21931407 can be divided by 6 positive divisors. The sum of these divisors (counting 21931407) is 1, the average is 0.16666666666667.

Base conversion 21931407

Base System Value
2 Binary 1010011101010010110001111
3 Ternary 1112021020020100
4 Quaternary 1103222112033
5 Quinary 21103301112
6 Senary 2102022143
8 Octal 123522617
10 Decimal 21931407
12 Duodecimal 7417953
16 Hexadecimal 14ea58f
20 Vigesimal 6h18a7
36 Base36 d22dr

Cryptographic Hash Functions

md5 aacc35e4270899f5c1b5b08958729b57
sha1 738b3423e7c23bb4adf2ace489de5e2fcb214744
sha256 8152e6f97deab5dce181e889462cf310e326768867fb759465a7d2e5be1c698a
sha512 24182b904d1320199120f5740a62db47c43c72e7d1b701e410d553a53b36bb094fa9b19310244081809633f6bbc9571e7e5ffc83c31856d0deb795fe95802c4a
ripemd-160 2242187efd8e1635eb11c104e1596439db6774f5

21931407 as geometric shapes

Circle

Radius = n
Diameter 43862814
Circumference 137799094.22818
Area 1.5110640098747E+15

Sphere

Radius = n
Volume 4.418634640482E+22
Surface area 6.0442560394989E+15
Circumference 137799094.22818

Square

Length = n
Perimeter 87725628
Area 480986612999649
Diagonal 31015693.221324

Cube

Length = n
Surface area 2885919677997894
Volume 1.0548713171247E+22
Space diagonal 37986311.205472

Equilateral Triangle

Length = n
Perimeter 65794221
Area 2.0827331286897E+14
Altitude 18993155.602736

Triangular Pyramid

Length = n
Surface area 2.0827331286897E+14
Volume 1.2431777693634E+21
Height 10338564.407108