21978275 (number)

21978275 is an odd 8-digits composite number following 21978274 and preceding 21978276. In scientific notation, it is written as 2.1978275 × 10^7. The sum of its digits is 41. It has a total of 5 prime factors and 24 positive divisors. There are 15868800 positive integers (up to 21978275) that are relatively prime to 21978275.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1978275 × 10^7
Engineering notation 2.1978275 × 10^6

Prime Factorization of 21978275

Prime Factorization 5 × 5 × 11 × 229 × 349

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 4395655
Product of the distinct prime numbers

The prime factorization of 21978275 is 5 × 5 × 11 × 229 × 349. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 1, 29, 88, 422, 852, 7909, 4115, 87057, 38823, 840540, 978750, 5756763, 2438867, 69731710, 31781129, 24931601, 804226783, 5230861564, 7057712615

Basic calculations (n = 21978275)

Multiplication

n×y
n×2 43956550
n×3 65934825
n×4 87913100
n×5 109891375

Division

n÷y
n÷2 10989137.5
n÷3 7326091.6666667
n÷3 5494568.75
n÷5 4395655

Exponentiation

ny
n2 483044571975625
n3 1.0616486440138E+22
n4 2.3333205851511E+29
n5 5.1282361483613E+36

Nth Root

y√n
2√n 4688.0992950235
3√n 280.11166889395
4√n 68.469696180307
5√n 29.403479117835

Divisors of 21978275

1, 5, 11, 25, 55, 229, 275, 349, 1145, 1745, 2519, 3839, 5725, 8725, 12595, 19195, 62975, 79921, 95975, 399605, 879131, 1998025, 4395655, 21978275

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 -21978274
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 21978275 can be divided by 24 positive divisors. The sum of these divisors (counting 21978275) is 1, the average is 0.041666666666667.

Base conversion 21978275

Base System Value
2 Binary 1010011110101110010100011
3 Ternary 1112100121112012
4 Quaternary 1103311302203
5 Quinary 21111301100
6 Senary 2103023135
8 Octal 123656243
10 Decimal 21978275
12 Duodecimal 743aaab
16 Hexadecimal 14f5ca3
20 Vigesimal 6h75df
36 Base36 d32jn

Cryptographic Hash Functions

md5 08bc0fe6882f5b2cef283bcc159a7203
sha1 0efbef128db3c76b73bd1a35e3a306b83ead984d
sha256 e9fe3b82d89809270bf589281cbb451d5d4dacb483beee539dab2a5b854249ee
sha512 50128d0aefde80107347fa536f0980241514b21f90297d6710a53d1c43465397103ea885406d0dd953b32c0eeb76c47bd41c26ccdf2ce4c1115dccf1c0a96a61
ripemd-160 840afdfea1f5c4fa747961cf936ddcdee56c53a2

21978275 as geometric shapes

Circle

Radius = n
Diameter 43956550
Circumference 138093574.55715
Area 1.517529278675E+15

Sphere

Radius = n
Volume 4.4470234409696E+22
Surface area 6.0701171147002E+15
Circumference 138093574.55715

Square

Length = n
Perimeter 87913100
Area 483044571975625
Diagonal 31081974.582566

Cube

Length = n
Surface area 2898267431853750
Volume 1.0616486440138E+22
Space diagonal 38067488.962721

Equilateral Triangle

Length = n
Perimeter 65934825
Area 2.0916443524554E+14
Altitude 19033744.48136

Triangular Pyramid

Length = n
Surface area 2.0916443524554E+14
Volume 1.2511649256994E+21
Height 10360658.194189