21098891 (number)

21098891 is an odd 8-digits composite number following 21098890 and preceding 21098892. In scientific notation, it is written as 2.1098891 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 19015920 positive integers (up to 21098891) that are relatively prime to 21098891.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1098891 × 10^7
Engineering notation 2.1098891 × 10^6

Prime Factorization of 21098891

Prime Factorization 11 × 11 × 127 × 1373

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1918081
Product of the distinct prime numbers

The prime factorization of 21098891 is 11 × 11 × 127 × 1373. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 10, 51, 67, 877, 748, 7203, 2884, 40721, 89439, 244098, 432474, 7596978, 6648592, 79710563, 59638567, 686708693, 493989751, 4392105715, 4033064750

Basic calculations (n = 21098891)

Multiplication

n×y
n×2 42197782
n×3 63296673
n×4 84395564
n×5 105494455

Division

n÷y
n÷2 10549445.5
n÷3 7032963.6666667
n÷3 5274722.75
n÷5 4219778.2

Exponentiation

ny
n2 445163201429881
n3 9.3924498641801E+21
n4 1.981702759073E+29
n5 4.1811730508081E+36

Nth Root

y√n
2√n 4593.3529148107
3√n 276.32480751504
4√n 67.774279153752
5√n 29.164324761044

Divisors of 21098891

1, 11, 121, 127, 1373, 1397, 15103, 15367, 166133, 174371, 1918081, 21098891

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 -21098890
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 21098891 can be divided by 12 positive divisors. The sum of these divisors (counting 21098891) is 1, the average is 0.083333333333333.

Base conversion 21098891

Base System Value
2 Binary 1010000011111000110001011
3 Ternary 1110200221020102
4 Quaternary 1100133012023
5 Quinary 20400131031
6 Senary 2032120015
8 Octal 120370613
10 Decimal 21098891
12 Duodecimal 709600b
16 Hexadecimal 141f18b
20 Vigesimal 6bh74b
36 Base36 ck80b

Cryptographic Hash Functions

md5 9d2ca6687900a87745715d5a5f5a0a6a
sha1 ed00aa762ad3cfbd32257b363008432e7d7d8869
sha256 d6711b8ddf5d99cf6d8a0decbadc6b017986d1aa978da6590a5054d6d574c9ee
sha512 b419da51dc3148822cb3556f005cb137f840aeb9ccb5fb6344ef46112ca2a1e8dbe00807725a216ba6d7e09f1474ac6d0fab0d2969b772a07ccb980747e2a9e1
ripemd-160 8a8cf49f6fbb334ce5fb2e0a6acfb96cd6463a11

21098891 as geometric shapes

Circle

Radius = n
Diameter 42197782
Circumference 132568241.92898
Area 1.3985214432606E+15

Sphere

Radius = n
Volume 3.9343001990025E+22
Surface area 5.5940857730425E+15
Circumference 132568241.92898

Square

Length = n
Perimeter 84395564
Area 445163201429881
Diagonal 29838337.803232

Cube

Length = n
Surface area 2670979208579286
Volume 9.3924498641801E+21
Space diagonal 36544351.195358

Equilateral Triangle

Length = n
Perimeter 63296673
Area 1.9276132063414E+14
Altitude 18272175.597679

Triangular Pyramid

Length = n
Surface area 1.9276132063414E+14
Volume 1.1069108318194E+21
Height 9946112.6010772