21870149 (number)

21870149 is an odd 8-digits composite number following 21870148 and preceding 21870150. In scientific notation, it is written as 2.1870149 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 18745836 positive integers (up to 21870149) that are relatively prime to 21870149.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred seventy thousand one hundred forty-nine

Notation

Scientific notation 2.1870149 × 10^7
Engineering notation 2.1870149 × 10^6

Prime Factorization of 21870149

Prime Factorization 7 × 3124307

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21870149
Product of the distinct prime numbers

The prime factorization of 21870149 is 7 × 3124307. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21870149)

Multiplication

n×y
n×2 43740298
n×3 65610447
n×4 87480596
n×5 109350745

Division

n÷y
n÷2 10935074.5
n÷3 7290049.6666667
n÷3 5467537.25
n÷5 4374029.8

Exponentiation

ny
n2 478303417282201
n3 1.0460567003171E+22
n4 2.2877415898383E+29
n5 5.0033249443261E+36

Nth Root

y√n
2√n 4676.5531109996
3√n 279.65156062034
4√n 68.385328185215
5√n 29.374490896264

Divisors of 21870149

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 -21870148
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 21870149 can be divided by 4 positive divisors. The sum of these divisors (counting 21870149) is 1, the average is 0.25.

Base conversion 21870149

Base System Value
2 Binary 1010011011011011001000101
3 Ternary 1112011010012112
4 Quaternary 1103123121011
5 Quinary 21044321044
6 Senary 2100430405
8 Octal 123333105
10 Decimal 21870149
12 Duodecimal 73a8405
16 Hexadecimal 14db645
20 Vigesimal 6gdf79
36 Base36 d0r45

Cryptographic Hash Functions

md5 5ba3181e7539aa2d5f22554fccc89956
sha1 b73de927d49d09b5e27a187e0c709c415fd341ef
sha256 40073991d9901de733e94c0c7b19fe5ca63be833955d8a815de383a373e435e8
sha512 706720c99268f4170ef0249d1d359bd9a2454b248aafdb341948ef8beadb4b8949dcbff17bb9cd474f717e5cd8bfaca94ce866c6fdc2deb10d140a63a01c9dca
ripemd-160 3e4c65464f0334216368dc412629e6030a74249b

21870149 as geometric shapes

Circle

Radius = n
Diameter 43740298
Circumference 137414198.86263
Area 1.5026345019207E+15

Sphere

Radius = n
Volume 4.3817120599394E+22
Surface area 6.0105380076826E+15
Circumference 137414198.86263

Square

Length = n
Perimeter 87480596
Area 478303417282201
Diagonal 30929061.32692

Cube

Length = n
Surface area 2869820503693206
Volume 1.0460567003171E+22
Space diagonal 37880209.237102

Equilateral Triangle

Length = n
Perimeter 65610447
Area 2.0711145504165E+14
Altitude 18940104.618551

Triangular Pyramid

Length = n
Surface area 2.0711145504165E+14
Volume 1.2327896438331E+21
Height 10309687.108973