21494915 (number)

21494915 is an odd 8-digits composite number following 21494914 and preceding 21494916. In scientific notation, it is written as 2.1494915 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 15810816 positive integers (up to 21494915) that are relatively prime to 21494915.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand nine hundred fifteen

Notation

Scientific notation 2.1494915 × 10^7
Engineering notation 2.1494915 × 10^6

Prime Factorization of 21494915

Prime Factorization 13 × 5 × 347 × 953

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21494915
Product of the distinct prime numbers

The prime factorization of 21494915 is 13 × 5 × 347 × 953. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 1, 53, 55, 219, 358, 3468, 1058, 43525, 19481, 836556, 231296, 1220619, 1387433, 10731806, 1187557, 329018543, 807936176, 1651151525, 5060746059

Basic calculations (n = 21494915)

Multiplication

n×y
n×2 42989830
n×3 64484745
n×4 85979660
n×5 107474575

Division

n÷y
n÷2 10747457.5
n÷3 7164971.6666667
n÷3 5373728.75
n÷5 4298983

Exponentiation

ny
n2 462031370857225
n3 9.9313250439095E+21
n4 2.1347298765621E+29
n5 4.5885837244662E+36

Nth Root

y√n
2√n 4636.2608856707
3√n 278.04296473778
4√n 68.090093887956
5√n 29.272994181304

Divisors of 21494915

1, 5, 13, 65, 347, 953, 1735, 4511, 4765, 12389, 22555, 61945, 330691, 1653455, 4298983, 21494915

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 -21494914
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 21494915 can be divided by 16 positive divisors. The sum of these divisors (counting 21494915) is 1, the average is 0.0625.

Base conversion 21494915

Base System Value
2 Binary 1010001111111110010000011
3 Ternary 1111110001110222
4 Quaternary 1101333302003
5 Quinary 21000314130
6 Senary 2044413255
8 Octal 121776203
10 Decimal 21494915
12 Duodecimal 724722b
16 Hexadecimal 147fc83
20 Vigesimal 6e6h5f
36 Base36 cspkz

Cryptographic Hash Functions

md5 8fbe735012748cda26efcb1e9be9057d
sha1 947cc94701c11364f7f9c38b9f3aaa6a77828ead
sha256 165a83ab5ee26610c70c832e3cf46c0b1d88620b67684f494f68333e4c3647f5
sha512 ef8725d51736e2604b736e5887ce4c6feb3b79e7753cf4f685b7ecfd367a2e8154c7e61676c2b8cda6327a008e7354aa30a32665960298bd342f5cbcb4c831ad
ripemd-160 12d43f63e04abe06dadd99026a537e59fc9c67bb

21494915 as geometric shapes

Circle

Radius = n
Diameter 42989830
Circumference 135056534.10707
Area 1.4515143604131E+15

Sphere

Radius = n
Volume 4.1600237064478E+22
Surface area 5.8060574416523E+15
Circumference 135056534.10707

Square

Length = n
Perimeter 85979660
Area 462031370857225
Diagonal 30398400.315057

Cube

Length = n
Surface area 2772188225143350
Volume 9.9313250439095E+21
Space diagonal 37230284.884374

Equilateral Triangle

Length = n
Perimeter 64484745
Area 2.0006545225385E+14
Altitude 18615142.442187

Triangular Pyramid

Length = n
Surface area 2.0006545225385E+14
Volume 1.170417880786E+21
Height 10132800.105019