21887898 (number)

21887898 is an even 8-digits composite number following 21887897 and preceding 21887899. In scientific notation, it is written as 2.1887898 × 10^7. The sum of its digits is 51. It has a total of 5 prime factors and 32 positive divisors. There are 7076160 positive integers (up to 21887898) that are relatively prime to 21887898.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred eighty-seven thousand eight hundred ninety-eight

Notation

Scientific notation 2.1887898 × 10^7
Engineering notation 2.1887898 × 10^6

Prime Factorization of 21887898

Prime Factorization 2 × 3 × 757 × 79 × 61

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21887898
Product of the distinct prime numbers

The prime factorization of 21887898 is 2 × 3 × 757 × 79 × 61. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 6, 58, 55, 101, 934, 3152, 4159, 77956, 50295, 589314, 77707, 7290627, 921227, 47432072, 69372219, 127499851, 234288953, 6244900125, 7696566128

Basic calculations (n = 21887898)

Multiplication

n×y
n×2 43775796
n×3 65663694
n×4 87551592
n×5 109439490

Division

n÷y
n÷2 10943949
n÷3 7295966
n÷3 5471974.5
n÷5 4377579.6

Exponentiation

ny
n2 479080078858404
n3 1.0486055899885E+22
n4 2.2951772195897E+29
n5 5.0236604874304E+36

Nth Root

y√n
2√n 4678.4503844756
3√n 279.72719176813
4√n 68.399198712234
5√n 29.379257198242

Divisors of 21887898

1, 2, 3, 6, 61, 79, 122, 158, 183, 237, 366, 474, 757, 1514, 2271, 4542, 4819, 9638, 14457, 28914, 46177, 59803, 92354, 119606, 138531, 179409, 277062, 358818, 3647983, 7295966, 10943949, 21887898

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21887897
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21887898 can be divided by 32 positive divisors. The sum of these divisors (counting 21887898) is 1, the average is 0.03125.

Base conversion 21887898

Base System Value
2 Binary 1010011011111101110011010
3 Ternary 1112012000112220
4 Quaternary 1103133232122
5 Quinary 21100403043
6 Senary 2101044510
8 Octal 123375632
10 Decimal 21887898
12 Duodecimal 73b6736
16 Hexadecimal 14dfb9a
20 Vigesimal 6gfjei
36 Base36 d14t6

Cryptographic Hash Functions

md5 0428d2b3b38d970ca885a42261884569
sha1 9320c6a18049211d8ffd308dcddf5f8b5574eea1
sha256 c647cdf162ccf345335d27814c7d374d1e1758fa68ae4c1b4023515041ab8554
sha512 42fc2d152e39d23de49e530bbf7bbaaadaa755b0f6e8a7527b4450644645b3d7592b12eaa7ff2d39acb48cfa53dbaa0542bcf07a746c4d0cf090779c92322768
ripemd-160 fcafa77621eaa08b57f500fe1e29493bf992c941

21887898 as geometric shapes

Circle

Radius = n
Diameter 43775796
Circumference 137525719.11865
Area 1.5050744562228E+15

Sphere

Radius = n
Volume 4.392388824028E+22
Surface area 6.0202978248911E+15
Circumference 137525719.11865

Square

Length = n
Perimeter 87551592
Area 479080078858404
Diagonal 30954162.203439

Cube

Length = n
Surface area 2874480473150424
Volume 1.0486055899885E+22
Space diagonal 37910951.406885

Equilateral Triangle

Length = n
Perimeter 65663694
Area 2.0744775936922E+14
Altitude 18955475.703443

Triangular Pyramid

Length = n
Surface area 2.0744775936922E+14
Volume 1.2357935391183E+21
Height 10318054.067813