20921862 (number)

20921862 is an even 8-digits composite number following 20921861 and preceding 20921863. In scientific notation, it is written as 2.0921862 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 6286176 positive integers (up to 20921862) that are relatively prime to 20921862.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand eight hundred sixty-two

Notation

Scientific notation 2.0921862 × 10^7
Engineering notation 2.0921862 × 10^6

Prime Factorization of 20921862

Prime Factorization 2 × 3 × 7943 × 439

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20921862
Product of the distinct prime numbers

The prime factorization of 20921862 is 2 × 3 × 7943 × 439. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 2, 88, 51, 351, 311, 9507, 4318, 4058, 305, 225541, 335957, 3692720, 9062405, 13737980, 45416645, 338781811, 209480353, 5129778031, 5707506226

Basic calculations (n = 20921862)

Multiplication

n×y
n×2 41843724
n×3 62765586
n×4 83687448
n×5 104609310

Division

n÷y
n÷2 10460931
n÷3 6973954
n÷3 5230465.5
n÷5 4184372.4

Exponentiation

ny
n2 437724309547044
n3 9.1580075983885E+21
n4 1.9160257116844E+29
n5 4.0086825528312E+36

Nth Root

y√n
2√n 4574.0421948207
3√n 275.54980692665
4√n 67.631665622108
5√n 29.115219367741

Divisors of 20921862

1, 2, 3, 6, 439, 878, 1317, 2634, 7943, 15886, 23829, 47658, 3486977, 6973954, 10460931, 20921862

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 -20921861
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 20921862 can be divided by 16 positive divisors. The sum of these divisors (counting 20921862) is 1, the average is 0.0625.

Base conversion 20921862

Base System Value
2 Binary 1001111110011111000000110
3 Ternary 1110100221101210
4 Quaternary 1033303320012
5 Quinary 20323444422
6 Senary 2024232250
8 Octal 117637006
10 Decimal 20921862
12 Duodecimal 700b686
16 Hexadecimal 13f3e06
20 Vigesimal 6af4d2
36 Base36 cgfeu

Cryptographic Hash Functions

md5 898b0018fa1c5dadb2ac05469f55cacd
sha1 27d5db013fc55f2286df224c95497472dabb1641
sha256 fd67e70b19d9cdc2f06017b0e1075d8216013c00fd41a7d299f8935541b64932
sha512 a8fb541f3d89d6088132db6591117131fae405d370f9973c75f05f49408ac9a78cd839898c3b031d52820539b9298bcb687b8067f073e5e4c4dcf02c53bd6805
ripemd-160 225b9f8d4336f102c9eae3bf4000396c65a7add0

20921862 as geometric shapes

Circle

Radius = n
Diameter 41843724
Circumference 131455935.91724
Area 1.3751514751707E+15

Sphere

Radius = n
Volume 3.8360972523489E+22
Surface area 5.5006059006826E+15
Circumference 131455935.91724

Square

Length = n
Perimeter 83687448
Area 437724309547044
Diagonal 29587980.990498

Cube

Length = n
Surface area 2626345857282264
Volume 9.1580075983885E+21
Space diagonal 36237727.972945

Equilateral Triangle

Length = n
Perimeter 62765586
Area 1.8954018596087E+14
Altitude 18118863.986472

Triangular Pyramid

Length = n
Surface area 1.8954018596087E+14
Volume 1.0792815458297E+21
Height 9862660.3301661