21741978 (number)

21741978 is an even 8-digits composite number following 21741977 and preceding 21741979. In scientific notation, it is written as 2.1741978 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 7110480 positive integers (up to 21741978) that are relatively prime to 21741978.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1741978 × 10^7
Engineering notation 2.1741978 × 10^6

Prime Factorization of 21741978

Prime Factorization 2 × 3 × 53 × 68371

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21741978
Product of the distinct prime numbers

The prime factorization of 21741978 is 2 × 3 × 53 × 68371. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 9, 17, 88, 420, 721, 7423, 2622, 87317, 99428, 349356, 432304, 6452721, 3149722, 5986530, 52001380, 653810, 5199267, 6421491966, 4812769212

Basic calculations (n = 21741978)

Multiplication

n×y
n×2 43483956
n×3 65225934
n×4 86967912
n×5 108709890

Division

n÷y
n÷2 10870989
n÷3 7247326
n÷3 5435494.5
n÷5 4348395.6

Exponentiation

ny
n2 472713607352484
n3 1.0277728851358E+22
n4 2.234581545762E+29
n5 4.8584222807163E+36

Nth Root

y√n
2√n 4662.8293985519
3√n 279.1041863688
4√n 68.284913403708
5√n 29.339979792404

Divisors of 21741978

1, 2, 3, 6, 53, 106, 159, 318, 68371, 136742, 205113, 410226, 3623663, 7247326, 10870989, 21741978

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21741977
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21741978 can be divided by 16 positive divisors. The sum of these divisors (counting 21741978) is 1, the average is 0.0625.

Base conversion 21741978

Base System Value
2 Binary 1010010111100000110011010
3 Ternary 1111220121101110
4 Quaternary 1102330012122
5 Quinary 21031220403
6 Senary 2054001150
8 Octal 122740632
10 Decimal 21741978
12 Duodecimal 73461b6
16 Hexadecimal 14bc19a
20 Vigesimal 6fheii
36 Base36 cy07u

Cryptographic Hash Functions

md5 1eb16af27df947ab68fb1925cc8acdc2
sha1 0f5c136019cb34a71f61a4a2fefe721943d7cfb1
sha256 d9f39f167716521b02aa55f4384b1113a243ffab33969d393908564fccc505a9
sha512 c82ebb99f69f9b8b7369549859a0fb57c7d1c7fd9ecee80287af8e762cf459c76156585681f833bc2311b1b249efe2b4af743971252871d33364f4109b5fd3a4
ripemd-160 af6cb1bc2f56f1f3cd6698e13e9f66fd02072649

21741978 as geometric shapes

Circle

Radius = n
Diameter 43483956
Circumference 136608876.71862
Area 1.4850735961105E+15

Sphere

Radius = n
Volume 4.305124994002E+22
Surface area 5.940294384442E+15
Circumference 136608876.71862

Square

Length = n
Perimeter 86967912
Area 472713607352484
Diagonal 30747800.160417

Cube

Length = n
Surface area 2836281644114904
Volume 1.0277728851358E+22
Space diagonal 37658210.553045

Equilateral Triangle

Length = n
Perimeter 65225934
Area 2.0469099634092E+14
Altitude 18829105.276522

Triangular Pyramid

Length = n
Surface area 2.0469099634092E+14
Volume 1.2112419609987E+21
Height 10249266.720139