21957980 (number)

21957980 is an even 8-digits composite number following 21957979 and preceding 21957981. In scientific notation, it is written as 2.1957980 × 10^7. The sum of its digits is 41. It has a total of 5 prime factors and 24 positive divisors. There are 7984640 positive integers (up to 21957980) that are relatively prime to 21957980.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred fifty-seven thousand nine hundred eighty

Notation

Scientific notation 2.1957980 × 10^7
Engineering notation 2.1957980 × 10^6

Prime Factorization of 21957980

Prime Factorization 2 × 2 × 5 × 11 × 99809

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10978990
Product of the distinct prime numbers

The prime factorization of 21957980 is 2 × 2 × 5 × 11 × 99809. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 1, 99, 56, 737, 42, 8537, 9806, 48423, 69483, 861918, 297018, 1417664, 951895, 11489169, 54177566, 484311324, 638259239, 5815086417, 8509497810

Basic calculations (n = 21957980)

Multiplication

n×y
n×2 43915960
n×3 65873940
n×4 87831920
n×5 109789900

Division

n÷y
n÷2 10978990
n÷3 7319326.6666667
n÷3 5489495
n÷5 4391596

Exponentiation

ny
n2 482152885680400
n3 1.0587103420713E+22
n4 2.3247140516994E+29
n5 5.1046024652934E+36

Nth Root

y√n
2√n 4685.9342718395
3√n 280.02542286171
4√n 68.45388427138
5√n 29.398046806637

Divisors of 21957980

1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 99809, 199618, 399236, 499045, 998090, 1097899, 1996180, 2195798, 4391596, 5489495, 10978990, 21957980

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21957979
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21957980 can be divided by 24 positive divisors. The sum of these divisors (counting 21957980) is 1, the average is 0.041666666666667.

Base conversion 21957980

Base System Value
2 Binary 1010011110000110101011100
3 Ternary 1112022120200112
4 Quaternary 1103300311130
5 Quinary 21110123410
6 Senary 2102345152
8 Octal 123606534
10 Decimal 21957980
12 Duodecimal 742b1b8
16 Hexadecimal 14f0d5c
20 Vigesimal 6h4ej0
36 Base36 d2mvw

Cryptographic Hash Functions

md5 6942491f317d52087886cf13cb09c0fa
sha1 6cde4c80dc8af8aa749ee894f02938f969911be2
sha256 4b18bbb2c5344b31dc62785a386cf05dbcf4a907cb95bfee615bdab755b66931
sha512 7ce24bf9558e2adb4f54a0a36497111a508af3922687556d7ea418fc025b2e9164bae5c983e50da46df6913d372344b81d2eaac882ced36d169a46b626310d7b
ripemd-160 d077b44ed561ccaafcdd806e6678b38e1a87e2b2

21957980 as geometric shapes

Circle

Radius = n
Diameter 43915960
Circumference 137966057.31134
Area 1.5147279635607E+15

Sphere

Radius = n
Volume 4.4347155105741E+22
Surface area 6.0589118542427E+15
Circumference 137966057.31134

Square

Length = n
Perimeter 87831920
Area 482152885680400
Diagonal 31053273.118317

Cube

Length = n
Surface area 2892917314082400
Volume 1.0587103420713E+22
Space diagonal 38032336.991581

Equilateral Triangle

Length = n
Perimeter 65873940
Area 2.087783237536E+14
Altitude 19016168.495791

Triangular Pyramid

Length = n
Surface area 2.087783237536E+14
Volume 1.2477021036515E+21
Height 10351091.039439