21031892 (number)

21031892 is an even 8-digits composite number following 21031891 and preceding 21031893. In scientific notation, it is written as 2.1031892 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors. There are 9013656 positive integers (up to 21031892) that are relatively prime to 21031892.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand eight hundred ninety-two

Notation

Scientific notation 2.1031892 × 10^7
Engineering notation 2.1031892 × 10^6

Prime Factorization of 21031892

Prime Factorization 2 × 2 × 7 × 751139

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10515946
Product of the distinct prime numbers

The prime factorization of 21031892 is 2 × 2 × 7 × 751139. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 2, 99, 5, 665, 921, 1812, 5728, 65012, 85079, 845826, 468690, 9742042, 6772707, 88566760, 40133240, 716999936, 722090223, 9713412308, 5248942980

Basic calculations (n = 21031892)

Multiplication

n×y
n×2 42063784
n×3 63095676
n×4 84127568
n×5 105159460

Division

n÷y
n÷2 10515946
n÷3 7010630.6666667
n÷3 5257973
n÷5 4206378.4

Exponentiation

ny
n2 442340481099664
n3 9.3032572257162E+21
n4 1.9566510121948E+29
n5 4.1152072770172E+36

Nth Root

y√n
2√n 4586.0540773087
3√n 276.03200987
4√n 67.72041108343
5√n 29.145779072926

Divisors of 21031892

1, 2, 4, 7, 14, 28, 751139, 1502278, 3004556, 5257973, 10515946, 21031892

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031891
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031892 can be divided by 12 positive divisors. The sum of these divisors (counting 21031892) is 1, the average is 0.083333333333333.

Base conversion 21031892

Base System Value
2 Binary 1010000001110101111010100
3 Ternary 1110120112022222
4 Quaternary 1100032233110
5 Quinary 20341010032
6 Senary 2030441512
8 Octal 120165724
10 Decimal 21031892
12 Duodecimal 7063298
16 Hexadecimal 140ebd4
20 Vigesimal 6b8jec
36 Base36 cisb8

Cryptographic Hash Functions

md5 555b723e54a859158f7b62a1e46e1e52
sha1 baf4f703bff4468f65eeb7fb2ed69f4d5a4a339d
sha256 cc7a3c53e6489138110930e5e6248c215e3c1e4e37f373ed261c4e749dae34b7
sha512 d2ce5fd92a8ebd6f6cd47edaf07cb285abe9e7a8418e926b294144782b53073e288ec00d377e460452d6ad0631fac440200795d269cfe6f28325b1e585c290f5
ripemd-160 71cf45ad030babca154ca864737ed1324a2c1b19

21031892 as geometric shapes

Circle

Radius = n
Diameter 42063784
Circumference 132147274.79659
Area 1.3896536058081E+15

Sphere

Radius = n
Volume 3.8969392739688E+22
Surface area 5.5586144232323E+15
Circumference 132147274.79659

Square

Length = n
Perimeter 84127568
Area 442340481099664
Diagonal 29743586.908766

Cube

Length = n
Surface area 2654042886597984
Volume 9.3032572257162E+21
Space diagonal 36428305.523301

Equilateral Triangle

Length = n
Perimeter 63095676
Area 1.9153904687727E+14
Altitude 18214152.761651

Triangular Pyramid

Length = n
Surface area 1.9153904687727E+14
Volume 1.0963993785711E+21
Height 9914528.9695887