21870908 (number)

21870908 is an even 8-digits composite number following 21870907 and preceding 21870909. In scientific notation, it is written as 2.1870908 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors. There are 10292160 positive integers (up to 21870908) that are relatively prime to 21870908.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1870908 × 10^7
Engineering notation 2.1870908 × 10^6

Prime Factorization of 21870908

Prime Factorization 2 × 2 × 17 × 321631

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10935454
Product of the distinct prime numbers

The prime factorization of 21870908 is 2 × 2 × 17 × 321631. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 4, 98, 37, 986, 625, 4544, 1015, 61073, 11115, 190597, 414251, 31954, 2863011, 1622249, 9757975, 655361881, 575360957, 9289968731, 6331803957

Basic calculations (n = 21870908)

Multiplication

n×y
n×2 43741816
n×3 65612724
n×4 87483632
n×5 109354540

Division

n÷y
n÷2 10935454
n÷3 7290302.6666667
n÷3 5467727
n÷5 4374181.6

Exponentiation

ny
n2 478336616744464
n3 1.0461656137849E+22
n4 2.2880591891854E+29
n5 5.0041932025229E+36

Nth Root

y√n
2√n 4676.6342598069
3√n 279.65479567037
4√n 68.385921502945
5√n 29.374694780829

Divisors of 21870908

1, 2, 4, 17, 34, 68, 321631, 643262, 1286524, 5467727, 10935454, 21870908

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21870907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21870908 can be divided by 12 positive divisors. The sum of these divisors (counting 21870908) is 1, the average is 0.083333333333333.

Base conversion 21870908

Base System Value
2 Binary 1010011011011100100111100
3 Ternary 1112011011020122
4 Quaternary 1103123210330
5 Quinary 21044332113
6 Senary 2100434112
8 Octal 123334474
10 Decimal 21870908
12 Duodecimal 73a8938
16 Hexadecimal 14db93c
20 Vigesimal 6gdh58
36 Base36 d0rp8

Cryptographic Hash Functions

md5 6ef643955264e77075a5e5c2769d94ea
sha1 d95e541ac662001d035e9ef8727c01dc6ebbff95
sha256 f5557defd3c8782ea2b95bba0e8b046f45766cd72b34c6718c4ba8e14b342907
sha512 b482ed2be32b6d9af9c1ed8b063651837366692ee8d8bbf849ddfbc63dbf7f777280acdd5005d30ae64b2deaaa9b59eedacf9ae16e25d6cb3b2fc1b9fe3c256f
ripemd-160 c1143c0691feefa1187a010bf57e9b5477b2ac45

21870908 as geometric shapes

Circle

Radius = n
Diameter 43741816
Circumference 137418967.80028
Area 1.5027388011074E+15

Sphere

Radius = n
Volume 4.3821682756067E+22
Surface area 6.0109552044296E+15
Circumference 137418967.80028

Square

Length = n
Perimeter 87483632
Area 478336616744464
Diagonal 30930134.715014

Cube

Length = n
Surface area 2870019700466784
Volume 1.0461656137849E+22
Space diagonal 37881523.863665

Equilateral Triangle

Length = n
Perimeter 65612724
Area 2.071258308305E+14
Altitude 18940761.931832

Triangular Pyramid

Length = n
Surface area 2.071258308305E+14
Volume 1.2329179995859E+21
Height 10310044.905005