21494830 (number)

21494830 is an even 8-digits composite number following 21494829 and preceding 21494831. In scientific notation, it is written as 2.1494830 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 7369488 positive integers (up to 21494830) that are relatively prime to 21494830.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand eight hundred thirty

Notation

Scientific notation 2.1494830 × 10^7
Engineering notation 2.1494830 × 10^6

Prime Factorization of 21494830

Prime Factorization 2 × 35 × 7 × 43867

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21494830
Product of the distinct prime numbers

The prime factorization of 21494830 is 2 × 35 × 7 × 43867. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 7, 45, 50, 25, 461, 8845, 5325, 99564, 13136, 296677, 748981, 2461959, 1260482, 57982054, 24226418, 103374898, 381907977, 4178815432, 4614348849

Basic calculations (n = 21494830)

Multiplication

n×y
n×2 42989660
n×3 64484490
n×4 85979320
n×5 107474150

Division

n÷y
n÷2 10747415
n÷3 7164943.3333333
n÷3 5373707.5
n÷5 4298966

Exponentiation

ny
n2 462027716728900
n3 9.9312072263759E+21
n4 2.1346961102572E+29
n5 4.588492999164E+36

Nth Root

y√n
2√n 4636.2517187918
3√n 278.0425982374
4√n 68.090026573587
5√n 29.272971029704

Divisors of 21494830

1, 2, 7, 14, 35, 70, 245, 490, 43867, 87734, 307069, 614138, 1535345, 3070690, 10747415, 21494830

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 -21494829
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 21494830 can be divided by 16 positive divisors. The sum of these divisors (counting 21494830) is 1, the average is 0.0625.

Base conversion 21494830

Base System Value
2 Binary 1010001111111110000101110
3 Ternary 1111110001100211
4 Quaternary 1101333300232
5 Quinary 21000313310
6 Senary 2044413034
8 Octal 121776056
10 Decimal 21494830
12 Duodecimal 724717a
16 Hexadecimal 147fc2e
20 Vigesimal 6e6h1a
36 Base36 cspim

Cryptographic Hash Functions

md5 12ae8d8a9483a89ad207d07694dd6957
sha1 b88e877a2610c6dfe6b358cd79d6b2b68f1c7375
sha256 a54c9ed374664e85dc459fe31309845a16f62096b614505c61df4c10197b93be
sha512 02f58298e0abcd48094c7979d7ed210a956010434d7a3453cffc0d78899a2cc648bd31e666073a9dcaaeb4776f552362debeca27a21de0e4f42201e981825018
ripemd-160 6a02f26a15e5b86d06c0335eef1df693417fcfba

21494830 as geometric shapes

Circle

Radius = n
Diameter 42989660
Circumference 135056000.03632
Area 1.4515028806304E+15

Sphere

Radius = n
Volume 4.1599743551547E+22
Surface area 5.8060115225215E+15
Circumference 135056000.03632

Square

Length = n
Perimeter 85979320
Area 462027716728900
Diagonal 30398280.106904

Cube

Length = n
Surface area 2772166300373400
Volume 9.9312072263759E+21
Space diagonal 37230137.660056

Equilateral Triangle

Length = n
Perimeter 64484490
Area 2.0006386996987E+14
Altitude 18615068.830028

Triangular Pyramid

Length = n
Surface area 2.0006386996987E+14
Volume 1.1704039958565E+21
Height 10132760.035635