21898972 (number)

21898972 is an even 8-digits composite number following 21898971 and preceding 21898973. In scientific notation, it is written as 2.1898972 × 10^7. The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors. There are 10848816 positive integers (up to 21898972) that are relatively prime to 21898972.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred ninety-eight thousand nine hundred seventy-two

Notation

Scientific notation 2.1898972 × 10^7
Engineering notation 2.1898972 × 10^6

Prime Factorization of 21898972

Prime Factorization 2 × 2 × 109 × 50227

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10949486
Product of the distinct prime numbers

The prime factorization of 21898972 is 2 × 2 × 109 × 50227. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 6, 30, 31, 393, 794, 9503, 7178, 2726, 44633, 834994, 602953, 8465272, 8684505, 8552681, 12849032, 511909988, 177589318, 259362259, 2478573553

Basic calculations (n = 21898972)

Multiplication

n×y
n×2 43797944
n×3 65696916
n×4 87595888
n×5 109494860

Division

n÷y
n÷2 10949486
n÷3 7299657.3333333
n÷3 5474743
n÷5 4379794.4

Exponentiation

ny
n2 479564974656784
n3 1.050197995219E+22
n4 2.2998256491756E+29
n5 5.0363817496179E+36

Nth Root

y√n
2√n 4679.6337463524
3√n 279.77435903
4√n 68.407848572751
5√n 29.382229434971

Divisors of 21898972

1, 2, 4, 109, 218, 436, 50227, 100454, 200908, 5474743, 10949486, 21898972

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 -21898971
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 21898972 can be divided by 12 positive divisors. The sum of these divisors (counting 21898972) is 1, the average is 0.083333333333333.

Base conversion 21898972

Base System Value
2 Binary 1010011100010011011011100
3 Ternary 1112012120202001
4 Quaternary 1103202123130
5 Quinary 21101231342
6 Senary 2101212044
8 Octal 123423334
10 Decimal 21898972
12 Duodecimal 7401024
16 Hexadecimal 14e26dc
20 Vigesimal 6gh78c
36 Base36 d1dcs

Cryptographic Hash Functions

md5 e3a922407ae8d982a33816895c943ebd
sha1 62f95a06e6449187e26936d5a70f5c31b6f2a655
sha256 a07987c89887cfc9672688d84a84291d2f6d5fe5e6ad3a34e6ccc6a90a19e39f
sha512 8678d4008bbcc2d99a5ef8c2d469681b7a1620d338a1b72f77e25837bb8e028b5d6b7a831d207876a0217acbfd5650fabb91c2b40b7b4e5b1bfb271c66cc7c9e
ripemd-160 aa97ffb76c90ba1c9511726727132a46a3f9ef69

21898972 as geometric shapes

Circle

Radius = n
Diameter 43797944
Circumference 137595299.11274
Area 1.5065978013007E+15

Sphere

Radius = n
Volume 4.3990590754595E+22
Surface area 6.0263912052029E+15
Circumference 137595299.11274

Square

Length = n
Perimeter 87595888
Area 479564974656784
Diagonal 30969823.204429

Cube

Length = n
Surface area 2877389847940704
Volume 1.050197995219E+22
Space diagonal 37930132.137528

Equilateral Triangle

Length = n
Perimeter 65696916
Area 2.0765772540901E+14
Altitude 18965066.068764

Triangular Pyramid

Length = n
Surface area 2.0765772540901E+14
Volume 1.2376702066797E+21
Height 10323274.401476