21861888 (number)

21861888 is an even 8-digits composite number following 21861887 and preceding 21861889. In scientific notation, it is written as 2.1861888 × 10^7. The sum of its digits is 42. It has a total of 12 prime factors and 80 positive divisors. There are 7096320 positive integers (up to 21861888) that are relatively prime to 21861888.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred sixty-one thousand eight hundred eighty-eight

Notation

Scientific notation 2.1861888 × 10^7
Engineering notation 2.1861888 × 10^6

Prime Factorization of 21861888

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 43 × 331

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 12
Total number of prime factors
rad Radical 85398
Product of the distinct prime numbers

The prime factorization of 21861888 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 43 × 331. Since it has a total of 12 prime factors.

Most popular turbo-numbers

10, 8, 23, 75, 523, 150, 3740, 3360, 90723, 62772, 563208, 828969, 8354514, 472292, 18274340, 17019325, 922905223, 415764178, 1230548577, 4149217685

Basic calculations (n = 21861888)

Multiplication

n×y
n×2 43723776
n×3 65585664
n×4 87447552
n×5 109309440

Division

n÷y
n÷2 10930944
n÷3 7287296
n÷3 5465472
n÷5 4372377.6

Exponentiation

ny
n2 477942146924544
n3 1.0448717686544E+22
n4 2.2842869580684E+29
n5 4.9938825637153E+36

Nth Root

y√n
2√n 4675.6697915914
3√n 279.61634530652
4√n 68.378869481671
5√n 29.372271438665

Divisors of 21861888

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 128, 129, 172, 192, 256, 258, 331, 344, 384, 512, 516, 662, 688, 768, 993, 1032, 1324, 1376, 1536, 1986, 2064, 2648, 2752, 3972, 4128, 5296, 5504, 7944, 8256, 10592, 11008, 14233, 15888, 16512, 21184, 22016, 28466, 31776, 33024, 42368, 42699, 56932, 63552, 66048, 84736, 85398, 113864, 127104, 169472, 170796, 227728, 254208, 341592, 455456, 508416, 683184, 910912, 1366368, 1821824, 2732736, 3643648, 5465472, 7287296, 10930944, 21861888

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21861887
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21861888 can be divided by 80 positive divisors. The sum of these divisors (counting 21861888) is 1, the average is 0.0125.

Base conversion 21861888

Base System Value
2 Binary 1010011011001011000000000
3 Ternary 1112010200212120
4 Quaternary 1103121120000
5 Quinary 21044040023
6 Senary 2100324240
8 Octal 123313000
10 Decimal 21861888
12 Duodecimal 73a3680
16 Hexadecimal 14d9600
20 Vigesimal 6gcee8
36 Base36 d0kqo

Cryptographic Hash Functions

md5 d6b22357db0a500e3c86b651ffaacc76
sha1 fed3461f65cefec6959a9193d06915ad29d46871
sha256 7d9b1096e2023243e3a5dc6a9ffb7a24af4e6cf64bb83fe6c4030be430b4c8ed
sha512 b7b6d457c64d08340a273bc84edaa596696db59d437d65484aa37525706439a32298d24eda62bf06bd64af2f93a0b52e16309e9760964309b2c8f2c5be044dfe
ripemd-160 8acc47a7f6020c09d1d03eac6742c76a5d07984d

21861888 as geometric shapes

Circle

Radius = n
Diameter 43723776
Circumference 137362293.46881
Area 1.5014995376191E+15

Sphere

Radius = n
Volume 4.3767486297974E+22
Surface area 6.0059981504763E+15
Circumference 137362293.46881

Square

Length = n
Perimeter 87447552
Area 477942146924544
Diagonal 30917378.508682

Cube

Length = n
Surface area 2867652881547264
Volume 1.0448717686544E+22
Space diagonal 37865900.76538

Equilateral Triangle

Length = n
Perimeter 65585664
Area 2.0695502038796E+14
Altitude 18932950.38269

Triangular Pyramid

Length = n
Surface area 2.0695502038796E+14
Volume 1.2313931884765E+21
Height 10305792.836227