21031780 (number)

21031780 is an even 8-digits composite number following 21031779 and preceding 21031781. In scientific notation, it is written as 2.1031780 × 10^7. The sum of its digits is 22. It has a total of 5 prime factors and 24 positive divisors. There are 6552000 positive integers (up to 21031780) that are relatively prime to 21031780.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand seven hundred eighty

Notation

Scientific notation 2.1031780 × 10^7
Engineering notation 2.1031780 × 10^6

Prime Factorization of 21031780

Prime Factorization 2 × 2 × 385 × 7 × 1951

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10515890
Product of the distinct prime numbers

The prime factorization of 21031780 is 2 × 2 × 385 × 7 × 1951. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 4, 18, 75, 359, 595, 7352, 1128, 48788, 13758, 80195, 45818, 6304205, 6787952, 89003847, 33036991, 343425991, 307540535, 1236097617, 1310103342

Basic calculations (n = 21031780)

Multiplication

n×y
n×2 42063560
n×3 63095340
n×4 84127120
n×5 105158900

Division

n÷y
n÷2 10515890
n÷3 7010593.3333333
n÷3 5257945
n÷5 4206356

Exponentiation

ny
n2 442335769968400
n3 9.303108600106E+21
n4 1.9566093339354E+29
n5 4.1150977057275E+36

Nth Root

y√n
2√n 4586.0418663593
3√n 276.03151988968
4√n 67.720320926287
5√n 29.145748031171

Divisors of 21031780

1, 2, 4, 7, 14, 28, 385, 770, 1540, 1951, 2695, 3902, 5390, 7804, 10780, 13657, 27314, 54628, 751135, 1502270, 3004540, 5257945, 10515890, 21031780

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 -21031779
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 21031780 can be divided by 24 positive divisors. The sum of these divisors (counting 21031780) is 1, the average is 0.041666666666667.

Base conversion 21031780

Base System Value
2 Binary 1010000001110101101100100
3 Ternary 1110120112011211
4 Quaternary 1100032231210
5 Quinary 20341004110
6 Senary 2030441204
8 Octal 120165544
10 Decimal 21031780
12 Duodecimal 7063204
16 Hexadecimal 140eb64
20 Vigesimal 6b8j90
36 Base36 cis84

Cryptographic Hash Functions

md5 253513eebaa1edbf2288f8632d9e60d7
sha1 8a0ccd9247ec63bb0554b34d3bb33475ec5b1d33
sha256 289714209a23743e076ce04392518528f00a3c55694800628453834303c7efb1
sha512 8ee14186b35b634cd1c8af412cbcea8ae72e3c2257e985b360c4a6e81abe3632199ae54669fe4dba09c9228ef1dffb58a1c8414fc648b238e35283d1b8d916c9
ripemd-160 bf46bfa28e9b510f9d5ce145aaf994372257e39c

21031780 as geometric shapes

Circle

Radius = n
Diameter 42063560
Circumference 132146571.07983
Area 1.3896388053527E+15

Sphere

Radius = n
Volume 3.8968770178188E+22
Surface area 5.5585552214108E+15
Circumference 132146571.07983

Square

Length = n
Perimeter 84127120
Area 442335769968400
Diagonal 29743428.516847

Cube

Length = n
Surface area 2654014619810400
Volume 9.303108600106E+21
Space diagonal 36428111.533611

Equilateral Triangle

Length = n
Perimeter 63095340
Area 1.9153700689759E+14
Altitude 18214055.766805

Triangular Pyramid

Length = n
Surface area 1.9153700689759E+14
Volume 1.096381862875E+21
Height 9914476.1722824