20921520 (number)

20921520 is an even 8-digits composite number following 20921519 and preceding 20921521. In scientific notation, it is written as 2.0921520 × 10^7. The sum of its digits is 21. It has a total of 8 prime factors and 80 positive divisors. There are 5536512 positive integers (up to 20921520) that are relatively prime to 20921520.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand five hundred twenty

Notation

Scientific notation 2.0921520 × 10^7
Engineering notation 2.0921520 × 10^6

Prime Factorization of 20921520

Prime Factorization 2 × 2 × 2 × 2 × 5 × 3 × 179 × 487

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2615190
Product of the distinct prime numbers

The prime factorization of 20921520 is 2 × 2 × 2 × 2 × 5 × 3 × 179 × 487. Since it has a total of 8 prime factors.

Most popular turbo-numbers

10, 2, 22, 39, 725, 918, 4814, 8743, 30237, 13470, 981235, 944346, 242314, 6022172, 41474793, 2701569, 443616877, 190863704, 280507686, 7273428562

Basic calculations (n = 20921520)

Multiplication

n×y
n×2 41843040
n×3 62764560
n×4 83686080
n×5 104607600

Division

n÷y
n÷2 10460760
n÷3 6973840
n÷3 5230380
n÷5 4184304

Exponentiation

ny
n2 437709999110400
n3 9.1575585005882E+21
n4 1.9159004332123E+29
n5 4.0083549231459E+36

Nth Root

y√n
2√n 4574.004809792
3√n 275.54830549006
4√n 67.631389234526
5√n 29.115124180514

Divisors of 20921520

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 179, 240, 358, 487, 537, 716, 895, 974, 1074, 1432, 1461, 1790, 1948, 2148, 2435, 2685, 2864, 2922, 3580, 3896, 4296, 4870, 5370, 5844, 7160, 7305, 7792, 8592, 9740, 10740, 11688, 14320, 14610, 19480, 21480, 23376, 29220, 38960, 42960, 58440, 87173, 116880, 174346, 261519, 348692, 435865, 523038, 697384, 871730, 1046076, 1307595, 1394768, 1743460, 2092152, 2615190, 3486920, 4184304, 5230380, 6973840, 10460760, 20921520

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921519
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921520 can be divided by 80 positive divisors. The sum of these divisors (counting 20921520) is 1, the average is 0.0125.

Base conversion 20921520

Base System Value
2 Binary 1001111110011110010110000
3 Ternary 1110100220221010
4 Quaternary 1033303302300
5 Quinary 20323442040
6 Senary 2024230520
8 Octal 117636260
10 Decimal 20921520
12 Duodecimal 700b440
16 Hexadecimal 13f3cb0
20 Vigesimal 6af3g0
36 Base36 cgf5c

Cryptographic Hash Functions

md5 edb5031427c2090f97337aa28fb739e3
sha1 b5aaea49ec4d036ec5272902a0fd5d8160fd32be
sha256 96a71fd42d82160388e692516091332fa148f986c0bdaaff9827dbfce1892664
sha512 e9b49f15e985f42c33f9beb0ff30a2cf4a8723b61018e7607f9ab8c92cf6bc9dc87c1b6ef706e1218bcd937e97241c0d981caa25faa82d45c429797319996211
ripemd-160 4d7e735e5a9942ee2bfcec3f575d8193218eb6f9

20921520 as geometric shapes

Circle

Radius = n
Diameter 41843040
Circumference 131453787.06786
Area 1.375106517608E+15

Sphere

Radius = n
Volume 3.8359091347022E+22
Surface area 5.5004260704321E+15
Circumference 131453787.06786

Square

Length = n
Perimeter 83686080
Area 437709999110400
Diagonal 29587497.32946

Cube

Length = n
Surface area 2626259994662400
Volume 9.1575585005882E+21
Space diagonal 36237135.611568

Equilateral Triangle

Length = n
Perimeter 62764560
Area 1.8953398936004E+14
Altitude 18118567.805784

Triangular Pyramid

Length = n
Surface area 1.8953398936004E+14
Volume 1.0792286191464E+21
Height 9862499.10982