21490868 (number)

21490868 is an even 8-digits composite number following 21490867 and preceding 21490869. In scientific notation, it is written as 2.1490868 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors. There are 9053568 positive integers (up to 21490868) that are relatively prime to 21490868.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand eight hundred sixty-eight

Notation

Scientific notation 2.1490868 × 10^7
Engineering notation 2.1490868 × 10^6

Prime Factorization of 21490868

Prime Factorization 2 × 2 × 7 × 59 × 13009

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10745434
Product of the distinct prime numbers

The prime factorization of 21490868 is 2 × 2 × 7 × 59 × 13009. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 2, 90, 96, 841, 164, 1150, 570, 80584, 25647, 530565, 307989, 9142059, 5492342, 23503163, 35553455, 576818016, 753280237, 7804927881, 347137436

Basic calculations (n = 21490868)

Multiplication

n×y
n×2 42981736
n×3 64472604
n×4 85963472
n×5 107454340

Division

n÷y
n÷2 10745434
n÷3 7163622.6666667
n÷3 5372717
n÷5 4298173.6

Exponentiation

ny
n2 461857407393424
n3 9.9257165771143E+21
n4 2.1331226476418E+29
n5 4.5842657248279E+36

Nth Root

y√n
2√n 4635.8244142763
3√n 278.02551393597
4√n 68.086888710502
5√n 29.271891811461

Divisors of 21490868

1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 13009, 26018, 52036, 91063, 182126, 364252, 767531, 1535062, 3070124, 5372717, 10745434, 21490868

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 -21490867
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 21490868 can be divided by 24 positive divisors. The sum of these divisors (counting 21490868) is 1, the average is 0.041666666666667.

Base conversion 21490868

Base System Value
2 Binary 1010001111110110010110100
3 Ternary 1111102211221002
4 Quaternary 1101332302310
5 Quinary 21000201433
6 Senary 2044342432
8 Octal 121766264
10 Decimal 21490868
12 Duodecimal 7244a18
16 Hexadecimal 147ecb4
20 Vigesimal 6e6738
36 Base36 csmgk

Cryptographic Hash Functions

md5 a6f46cf0f91e73b0110ef5ddf857ea4c
sha1 6be378084d67c07927a14fff269fd2aa61a35817
sha256 8ec8c5797d11771dbf5d313aec18a8d9ec0cccb20aa7c1fcecbddece7553861d
sha512 5418bad69696901f4997252b62893a1b034f7770e853207d67fc9a72578c73418056daf2eed09f9a1bd2a28924922b71b278131c5598ff7abd837ce8510746d3
ripemd-160 4e93471f862f533dcf58069ed9d026477e2c1ffd

21490868 as geometric shapes

Circle

Radius = n
Diameter 42981736
Circumference 135031106.05614
Area 1.4509678380732E+15

Sphere

Radius = n
Volume 4.1576744373702E+22
Surface area 5.8038713522928E+15
Circumference 135031106.05614

Square

Length = n
Perimeter 85963472
Area 461857407393424
Diagonal 30392676.99277

Cube

Length = n
Surface area 2771144444360544
Volume 9.9257165771143E+21
Space diagonal 37223275.274756

Equilateral Triangle

Length = n
Perimeter 64472604
Area 1.9999012386436E+14
Altitude 18611637.637378

Triangular Pyramid

Length = n
Surface area 1.9999012386436E+14
Volume 1.1697569166355E+21
Height 10130892.330923