21001912 (number)

21001912 is an even 8-digits composite number following 21001911 and preceding 21001913. In scientific notation, it is written as 2.1001912 × 10^7. The sum of its digits is 16. It has a total of 5 prime factors and 16 positive divisors. There are 10477920 positive integers (up to 21001912) that are relatively prime to 21001912.

Interesting facts

Basic properties

Name

Name twenty-one million one thousand nine hundred twelve

Notation

Scientific notation 2.1001912 × 10^7
Engineering notation 2.1001912 × 10^6

Prime Factorization of 21001912

Prime Factorization 2 × 2 × 2 × 5261 × 499

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5250478
Product of the distinct prime numbers

The prime factorization of 21001912 is 2 × 2 × 2 × 5261 × 499. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 10, 43, 29, 684, 605, 3770, 7793, 33779, 31336, 147829, 346108, 1461757, 332008, 27057748, 369533, 164452929, 713991520, 3650464180, 1143138084

Basic calculations (n = 21001912)

Multiplication

n×y
n×2 42003824
n×3 63005736
n×4 84007648
n×5 105009560

Division

n÷y
n÷2 10500956
n÷3 7000637.3333333
n÷3 5250478
n÷5 4200382.4

Exponentiation

ny
n2 441080307655744
n3 9.2635298063189E+21
n4 1.9455183780169E+29
n5 4.0859605769493E+36

Nth Root

y√n
2√n 4582.7843065106
3√n 275.90079049992
4√n 67.696265085384
5√n 29.137465136144

Divisors of 21001912

1, 2, 4, 8, 499, 998, 1996, 3992, 5261, 10522, 21044, 42088, 2625239, 5250478, 10500956, 21001912

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 -21001911
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 21001912 can be divided by 16 positive divisors. The sum of these divisors (counting 21001912) is 1, the average is 0.0625.

Base conversion 21001912

Base System Value
2 Binary 1010000000111011010111000
3 Ternary 1110112000012121
4 Quaternary 1100013122320
5 Quinary 20334030122
6 Senary 2030051024
8 Octal 120073270
10 Decimal 21001912
12 Duodecimal 7049a74
16 Hexadecimal 14076b8
20 Vigesimal 6b54fc
36 Base36 ci56g

Cryptographic Hash Functions

md5 ea686a9f315fe10a982a12bd39e150f5
sha1 9c3053ccf3bf46adc1549654a2e505bd6ec29494
sha256 f06b3ebbc9151b1c6bb8b1af17d49cfe185a9ceb70e027d7c0427acf48b7029d
sha512 d57fc84162b6aa85d751de245b55a708c2cda48c5735524daa1349b7a064f1c8b715e7d64ea9576a6b5e00030779e9c37cd730cf5cec9326bfefb8c51120a352
ripemd-160 9257d0c1f93cb022ce78e4ded517daa79a1aa52a

21001912 as geometric shapes

Circle

Radius = n
Diameter 42003824
Circumference 131958904.90108
Area 1.3856946541744E+15

Sphere

Radius = n
Volume 3.8802982914455E+22
Surface area 5.5427786166976E+15
Circumference 131958904.90108

Square

Length = n
Perimeter 84007648
Area 441080307655744
Diagonal 29701188.786166

Cube

Length = n
Surface area 2646481845934464
Volume 9.2635298063189E+21
Space diagonal 36376378.64009

Equilateral Triangle

Length = n
Perimeter 63005736
Area 1.9099337576947E+14
Altitude 18188189.320045

Triangular Pyramid

Length = n
Surface area 1.9099337576947E+14
Volume 1.0917174572953E+21
Height 9900396.2620554