21695988 (number)

21695988 is an even 8-digits composite number following 21695987 and preceding 21695989. In scientific notation, it is written as 2.1695988 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 12 positive divisors. There are 7231992 positive integers (up to 21695988) that are relatively prime to 21695988.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety-five thousand nine hundred eighty-eight

Notation

Scientific notation 2.1695988 × 10^7
Engineering notation 2.1695988 × 10^6

Prime Factorization of 21695988

Prime Factorization 2 × 2 × 3 × 1807999

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10847994
Product of the distinct prime numbers

The prime factorization of 21695988 is 2 × 2 × 3 × 1807999. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 8, 77, 100, 1, 518, 5242, 2792, 74800, 98678, 238219, 411342, 1848958, 5575097, 74913661, 49856260, 664737577, 119422564, 5722628007, 1249175791

Basic calculations (n = 21695988)

Multiplication

n×y
n×2 43391976
n×3 65087964
n×4 86783952
n×5 108479940

Division

n÷y
n÷2 10847994
n÷3 7231996
n÷3 5423997
n÷5 4339197.6

Exponentiation

ny
n2 470715895296144
n3 1.0212646415754E+22
n4 2.2157345408445E+29
n5 4.8072550009348E+36

Nth Root

y√n
2√n 4657.8952328278
3√n 278.90725453663
4√n 68.24877458847
5√n 29.327556922598

Divisors of 21695988

1, 2, 3, 4, 6, 12, 1807999, 3615998, 5423997, 7231996, 10847994, 21695988

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 -21695987
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 21695988 can be divided by 12 positive divisors. The sum of these divisors (counting 21695988) is 1, the average is 0.083333333333333.

Base conversion 21695988

Base System Value
2 Binary 1010010110000110111110100
3 Ternary 1111211021022010
4 Quaternary 1102300313310
5 Quinary 21023232423
6 Senary 2053004220
8 Octal 122606764
10 Decimal 21695988
12 Duodecimal 7323670
16 Hexadecimal 14b0df4
20 Vigesimal 6fbjj8
36 Base36 cx0qc

Cryptographic Hash Functions

md5 9466d369920f3c4367ee28102cc0a8b3
sha1 bf6b23b48022d09b8ffd1954991418b2904d78e7
sha256 a4933bcd0ebe8f7ed62d9debc62c8c12ba642c10d996191399408448f4c9069a
sha512 037e984cfea09702536319c520335dfa62a9531c8dd3b995f0663497cc335bd4200455ef828e24b150f912dd298bb9efdbdce7966ba30790c90219eeb2bb5a8b
ripemd-160 600f5914731921dc45a45e9324699658ffbc761f

21695988 as geometric shapes

Circle

Radius = n
Diameter 43391976
Circumference 136319913.02634
Area 1.4787975985903E+15

Sphere

Radius = n
Volume 4.2778633271259E+22
Surface area 5.9151903943612E+15
Circumference 136319913.02634

Square

Length = n
Perimeter 86783952
Area 470715895296144
Diagonal 30682760.478684

Cube

Length = n
Surface area 2824295371776864
Volume 1.0212646415754E+22
Space diagonal 37578553.536405

Equilateral Triangle

Length = n
Perimeter 65087964
Area 2.038259616458E+14
Altitude 18789276.768202

Triangular Pyramid

Length = n
Surface area 2.038259616458E+14
Volume 1.2035719224067E+21
Height 10227586.826228