21006465 (number)

21006465 is an odd 8-digits composite number following 21006464 and preceding 21006466. In scientific notation, it is written as 2.1006465 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 11174912 positive integers (up to 21006465) that are relatively prime to 21006465.

Interesting facts

Basic properties

Name

Name twenty-one million six thousand four hundred sixty-five

Notation

Scientific notation 2.1006465 × 10^7
Engineering notation 2.1006465 × 10^6

Prime Factorization of 21006465

Prime Factorization 3 × 5 × 449 × 3119

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21006465
Product of the distinct prime numbers

The prime factorization of 21006465 is 3 × 5 × 449 × 3119. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 10, 54, 69, 399, 471, 7610, 2817, 22660, 78369, 518361, 695690, 4358776, 421884, 90983585, 33230115, 325658359, 258558385, 7926004250, 9591281319

Basic calculations (n = 21006465)

Multiplication

n×y
n×2 42012930
n×3 63019395
n×4 84025860
n×5 105032325

Division

n÷y
n÷2 10503232.5
n÷3 7002155
n÷3 5251616.25
n÷5 4201293

Exponentiation

ny
n2 441271571796225
n3 9.2695558284324E+21
n4 1.9472060007551E+29
n5 4.0903914702652E+36

Nth Root

y√n
2√n 4583.2810300046
3√n 275.92072655042
4√n 67.699933751848
5√n 29.138728367571

Divisors of 21006465

1, 3, 5, 15, 449, 1347, 2245, 3119, 6735, 9357, 15595, 46785, 1400431, 4201293, 7002155, 21006465

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 -21006464
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 21006465 can be divided by 16 positive divisors. The sum of these divisors (counting 21006465) is 1, the average is 0.0625.

Base conversion 21006465

Base System Value
2 Binary 1010000001000100010000001
3 Ternary 1110112020110020
4 Quaternary 1100020202001
5 Quinary 20334201330
6 Senary 2030124053
8 Octal 120104201
10 Decimal 21006465
12 Duodecimal 7050629
16 Hexadecimal 1408881
20 Vigesimal 6b5g35
36 Base36 ci8ox

Cryptographic Hash Functions

md5 87ca84f1effb8ddd20280eb3187ceed8
sha1 2d9806d4be5f739b6511d10854078c04601756a0
sha256 cb688a445987bfcb1f5ae590ba446017de6254cb26576d5d2fb79ca52cb29145
sha512 49f6ee9376f43c0d126173ccd6ab7c331be4ba324c84beb2582344bd4db7d0af333c1f5bd5b274cb330d747dc121be5b88a8ed7b6e9aeac95e2e17b02b6323eb
ripemd-160 9357b5044cc2ce15163a6e3aabe7541fdb791c5a

21006465 as geometric shapes

Circle

Radius = n
Diameter 42012930
Circumference 131987512.24378
Area 1.386295528193E+15

Sphere

Radius = n
Volume 3.8828224656858E+22
Surface area 5.5451821127722E+15
Circumference 131987512.24378

Square

Length = n
Perimeter 84025860
Area 441271571796225
Diagonal 29707627.700516

Cube

Length = n
Surface area 2647629430777350
Volume 9.2695558284324E+21
Space diagonal 36384264.667417

Equilateral Triangle

Length = n
Perimeter 63019395
Area 1.9107619557171E+14
Altitude 18192132.333709

Triangular Pyramid

Length = n
Surface area 1.9107619557171E+14
Volume 1.092427630812E+21
Height 9902542.5668386