21249968 (number)

21249968 is an even 8-digits composite number following 21249967 and preceding 21249969. In scientific notation, it is written as 2.1249968 × 10^7. The sum of its digits is 41. It has a total of 6 prime factors and 20 positive divisors. There are 10578624 positive integers (up to 21249968) that are relatively prime to 21249968.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-nine thousand nine hundred sixty-eight

Notation

Scientific notation 2.1249968 × 10^7
Engineering notation 2.1249968 × 10^6

Prime Factorization of 21249968

Prime Factorization 2 × 2 × 2 × 2 × 239 × 5557

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2656246
Product of the distinct prime numbers

The prime factorization of 21249968 is 2 × 2 × 2 × 2 × 239 × 5557. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 1, 42, 50, 688, 561, 5065, 336, 150, 58179, 558933, 62718, 8289664, 5318100, 88809323, 73344012, 856211923, 830448916, 5273165630, 1449266618

Basic calculations (n = 21249968)

Multiplication

n×y
n×2 42499936
n×3 63749904
n×4 84999872
n×5 106249840

Division

n÷y
n÷2 10624984
n÷3 7083322.6666667
n÷3 5312492
n÷5 4249993.6

Exponentiation

ny
n2 451561140001024
n3 9.5956597750653E+21
n4 2.0390746315902E+29
n5 4.3330270670904E+36

Nth Root

y√n
2√n 4609.7687577578
3√n 276.98277380309
4√n 67.895277875253
5√n 29.205971432807

Divisors of 21249968

1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 5557, 11114, 22228, 44456, 88912, 1328123, 2656246, 5312492, 10624984, 21249968

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21249967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21249968 can be divided by 20 positive divisors. The sum of these divisors (counting 21249968) is 1, the average is 0.05.

Base conversion 21249968

Base System Value
2 Binary 1010001000011111110110000
3 Ternary 1110222121110212
4 Quaternary 1101003332300
5 Quinary 20414444333
6 Senary 2035243252
8 Octal 121037660
10 Decimal 21249968
12 Duodecimal 7149528
16 Hexadecimal 1443fb0
20 Vigesimal 6cg4i8
36 Base36 cngkw

Cryptographic Hash Functions

md5 840c79e3408fc483fb4304a8f0ba7549
sha1 8ff0eb8fa61cdbf2ef909d4635ee79f88fc59c06
sha256 c43e316e1484cf8d299a4a7ae92866d1bebaa1d731ab0203f0831c1a3cb881c9
sha512 07cf6a6c892687288d70bff5037f0474f7f4d9f6bfba4c0613f145ca6f224aff62c18079d3b0422c1e63e26983d8b1c5f9352350ef5d1ee8800549f33de32ec4
ripemd-160 2543cf641fa1ec5e4f20832906dd4520afe41438

21249968 as geometric shapes

Circle

Radius = n
Diameter 42499936
Circumference 133517486.71564
Area 1.4186211600738E+15

Sphere

Radius = n
Volume 4.0194205674256E+22
Surface area 5.6744846402954E+15
Circumference 133517486.71564

Square

Length = n
Perimeter 84999872
Area 451561140001024
Diagonal 30051992.945594

Cube

Length = n
Surface area 2709366840006144
Volume 9.5956597750653E+21
Space diagonal 36806024.235213

Equilateral Triangle

Length = n
Perimeter 63749904
Area 1.9553170930137E+14
Altitude 18403012.117606

Triangular Pyramid

Length = n
Surface area 1.9553170930137E+14
Volume 1.1308593494846E+21
Height 10017330.981865