21152261 (number)

21152261 is an odd 8-digits composite number following 21152260 and preceding 21152262. In scientific notation, it is written as 2.1152261 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors. There are 18610560 positive integers (up to 21152261) that are relatively prime to 21152261.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred fifty-two thousand two hundred sixty-one

Notation

Scientific notation 2.1152261 × 10^7
Engineering notation 2.1152261 × 10^6

Prime Factorization of 21152261

Prime Factorization 13 × 73 × 719 × 31

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21152261
Product of the distinct prime numbers

The prime factorization of 21152261 is 13 × 73 × 719 × 31. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 4, 66, 10, 195, 710, 3308, 1800, 90557, 86717, 676685, 266034, 4808915, 4955610, 46134899, 44001864, 824417660, 273252299, 7789383424, 9197408498

Basic calculations (n = 21152261)

Multiplication

n×y
n×2 42304522
n×3 63456783
n×4 84609044
n×5 105761305

Division

n÷y
n÷2 10576130.5
n÷3 7050753.6666667
n÷3 5288065.25
n÷5 4230452.2

Exponentiation

ny
n2 447418145412121
n3 9.4639053878931E+21
n4 2.0018299684402E+29
n5 4.2343229970069E+36

Nth Root

y√n
2√n 4599.1587274196
3√n 276.55760075801
4√n 67.81709760392
5√n 29.179064185228

Divisors of 21152261

1, 13, 31, 73, 403, 719, 949, 2263, 9347, 22289, 29419, 52487, 289757, 682331, 1627097, 21152261

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 -21152260
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 21152261 can be divided by 16 positive divisors. The sum of these divisors (counting 21152261) is 1, the average is 0.0625.

Base conversion 21152261

Base System Value
2 Binary 1010000101100001000000101
3 Ternary 1110210122110002
4 Quaternary 1100230020011
5 Quinary 20403333021
6 Senary 2033211045
8 Octal 120541005
10 Decimal 21152261
12 Duodecimal 7100a85
16 Hexadecimal 142c205
20 Vigesimal 6c40d1
36 Base36 cld6t

Cryptographic Hash Functions

md5 dc799760cdda69a3387f9bb0af13a9f6
sha1 614cd4236bd60436a4510e4a09085a967024a8ef
sha256 4c6011c773b4b7588268ee24a0005477987f5fdcd22bc96af9fd5b65de9df1f6
sha512 5199f980aca521031095fee9eb09f9e45ea5ec13fd65fbf16e83cfdb788bb15b9e8e861a9919f01ff446f5dd3937b3543334709717e5706023dc0f98d84fb584
ripemd-160 a4dcc67fd5e35ef756f16aa9f14a6b0f02ac816d

21152261 as geometric shapes

Circle

Radius = n
Diameter 42304522
Circumference 132903575.52883
Area 1.4056055587095E+15

Sphere

Radius = n
Volume 3.9642314187832E+22
Surface area 5.622422234838E+15
Circumference 132903575.52883

Square

Length = n
Perimeter 84609044
Area 447418145412121
Diagonal 29913814.381055

Cube

Length = n
Surface area 2684508872472726
Volume 9.4639053878931E+21
Space diagonal 36636790.746958

Equilateral Triangle

Length = n
Perimeter 63456783
Area 1.9373774002051E+14
Altitude 18318395.373479

Triangular Pyramid

Length = n
Surface area 1.9373774002051E+14
Volume 1.1153319460479E+21
Height 9971271.4603518