21890131 (number)

21890131 is an odd 8-digits composite number following 21890130 and preceding 21890132. In scientific notation, it is written as 2.1890131 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 21879000 positive integers (up to 21890131) that are relatively prime to 21890131.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred ninety thousand one hundred thirty-one

Notation

Scientific notation 2.1890131 × 10^7
Engineering notation 2.1890131 × 10^6

Prime Factorization of 21890131

Prime Factorization 2551 × 8581

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21890131
Product of the distinct prime numbers

The prime factorization of 21890131 is 2551 × 8581. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 6, 15, 61, 962, 644, 8402, 805, 19909, 54427, 643832, 146721, 5051925, 3767245, 58323324, 22227710, 556429248, 838825106, 7213428862, 5998928735

Basic calculations (n = 21890131)

Multiplication

n×y
n×2 43780262
n×3 65670393
n×4 87560524
n×5 109450655

Division

n÷y
n÷2 10945065.5
n÷3 7296710.3333333
n÷3 5472532.75
n÷5 4378026.2

Exponentiation

ny
n2 479177835197161
n3 1.0489265584762E+22
n4 2.2961139774424E+29
n5 5.0262235757145E+36

Nth Root

y√n
2√n 4678.6890257849
3√n 279.73670401974
4√n 68.40094316444
5√n 29.379856627244

Divisors of 21890131

1, 2551, 8581, 21890131

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21890130
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21890131 can be divided by 4 positive divisors. The sum of these divisors (counting 21890131) is 1, the average is 0.25.

Base conversion 21890131

Base System Value
2 Binary 1010011100000010001010011
3 Ternary 1112012010121121
4 Quaternary 1103200101103
5 Quinary 21100441011
6 Senary 2101103111
8 Octal 123402123
10 Decimal 21890131
12 Duodecimal 73b7a97
16 Hexadecimal 14e0453
20 Vigesimal 6gg56b
36 Base36 d16j7

Cryptographic Hash Functions

md5 77b57679e23c62058dde8e34200b9bf7
sha1 8b394e3737e2b163a9b34b0d8094f3f6bd61c2cf
sha256 8ce604b0fb063164975c05ca662961d24751e76e86d7447704b944153e08e49c
sha512 128f552825118519ec9d411984de5c31c12a81310633971ba62b4bac690085630316f24fa4c1920315319c57c8c7c384613d8b9795ff6cacfdad578cfae18380
ripemd-160 aa25d2b58cc333d0c973f79b2820fa6c578ac43b

21890131 as geometric shapes

Circle

Radius = n
Diameter 43780262
Circumference 137539749.47144
Area 1.5053815668185E+15

Sphere

Radius = n
Volume 4.3937332936855E+22
Surface area 6.0215262672738E+15
Circumference 137539749.47144

Square

Length = n
Perimeter 87560524
Area 479177835197161
Diagonal 30957320.142324

Cube

Length = n
Surface area 2875067011182966
Volume 1.0489265584762E+22
Space diagonal 37914819.076339

Equilateral Triangle

Length = n
Perimeter 65670393
Area 2.0749008910559E+14
Altitude 18957409.538169

Triangular Pyramid

Length = n
Surface area 2.0749008910559E+14
Volume 1.2361718041087E+21
Height 10319106.714108