21097988 (number)

21097988 is an even 8-digits composite number following 21097987 and preceding 21097989. In scientific notation, it is written as 2.1097988 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors. There are 10493952 positive integers (up to 21097988) that are relatively prime to 21097988.

Interesting facts

Basic properties

Name

Name twenty-one million ninety-seven thousand nine hundred eighty-eight

Notation

Scientific notation 2.1097988 × 10^7
Engineering notation 2.1097988 × 10^6

Prime Factorization of 21097988

Prime Factorization 2 × 2 × 193 × 27329

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10548994
Product of the distinct prime numbers

The prime factorization of 21097988 is 2 × 2 × 193 × 27329. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 9, 27, 27, 114, 797, 3553, 793, 17655, 56937, 687620, 285153, 9210312, 8378620, 98435902, 78352759, 356139894, 492929383, 8357848898, 344189648

Basic calculations (n = 21097988)

Multiplication

n×y
n×2 42195976
n×3 63293964
n×4 84391952
n×5 105489940

Division

n÷y
n÷2 10548994
n÷3 7032662.6666667
n÷3 5274497
n÷5 4219597.6

Exponentiation

ny
n2 445125097648144
n3 9.3912439686794E+21
n4 1.9813635255627E+29
n5 4.1802783885959E+36

Nth Root

y√n
2√n 4593.2546195481
3√n 276.32086536691
4√n 67.773553983454
5√n 29.164075119144

Divisors of 21097988

1, 2, 4, 193, 386, 772, 27329, 54658, 109316, 5274497, 10548994, 21097988

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 -21097987
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 21097988 can be divided by 12 positive divisors. The sum of these divisors (counting 21097988) is 1, the average is 0.083333333333333.

Base conversion 21097988

Base System Value
2 Binary 1010000011110111000000100
3 Ternary 1110200212222222
4 Quaternary 1100132320010
5 Quinary 20400113423
6 Senary 2032111512
8 Octal 120367004
10 Decimal 21097988
12 Duodecimal 7095598
16 Hexadecimal 141ee04
20 Vigesimal 6bh4j8
36 Base36 ck7b8

Cryptographic Hash Functions

md5 98de20ff3e2138738ddd3a0b3a25a221
sha1 ab68bac3d5f87eb82efa243a3b54f9432182a7cd
sha256 5ba199b129c966b6e5e71b786b13d83d6c91f8cd678fb38d74376f38c0aa686b
sha512 a5f8cfb9248d9428be569e62b2276cb152c69228448746436d8d9b9fc7aaa8c36cdf9b51d54040522e192695e0c563974810a38455340cd2f2f682d0f5a2bd5f
ripemd-160 e2161d0059bea94f72326b6f8298976fc4cab128

21097988 as geometric shapes

Circle

Radius = n
Diameter 42195976
Circumference 132562568.21265
Area 1.3984017366998E+15

Sphere

Radius = n
Volume 3.9337950746763E+22
Surface area 5.5936069467994E+15
Circumference 132562568.21265

Square

Length = n
Perimeter 84391952
Area 445125097648144
Diagonal 29837060.768385

Cube

Length = n
Surface area 2670750585888864
Volume 9.3912439686794E+21
Space diagonal 36542787.153478

Equilateral Triangle

Length = n
Perimeter 63293964
Area 1.9274482121266E+14
Altitude 18271393.576739

Triangular Pyramid

Length = n
Surface area 1.9274482121266E+14
Volume 1.1067687156717E+21
Height 9945686.9227949