21497845 (number)

21497845 is an odd 8-digits composite number following 21497844 and preceding 21497846. In scientific notation, it is written as 2.1497845 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 16489984 positive integers (up to 21497845) that are relatively prime to 21497845.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-seven thousand eight hundred forty-five

Notation

Scientific notation 2.1497845 × 10^7
Engineering notation 2.1497845 × 10^6

Prime Factorization of 21497845

Prime Factorization 5 × 173 × 29 × 857

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21497845
Product of the distinct prime numbers

The prime factorization of 21497845 is 5 × 173 × 29 × 857. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 1, 82, 79, 902, 365, 1465, 2206, 28252, 94508, 947078, 877200, 3711386, 5551954, 37173471, 84274093, 11933530, 748627804, 4024466961, 8392080069

Basic calculations (n = 21497845)

Multiplication

n×y
n×2 42995690
n×3 64493535
n×4 85991380
n×5 107489225

Division

n÷y
n÷2 10748922.5
n÷3 7165948.3333333
n÷3 5374461.25
n÷5 4299569

Exponentiation

ny
n2 462157339644025
n3 9.9353868532796E+21
n4 2.1358940658684E+29
n5 4.5917119564459E+36

Nth Root

y√n
2√n 4636.5768622983
3√n 278.05559763062
4√n 68.092414131813
5√n 29.273792185826

Divisors of 21497845

1, 5, 29, 145, 173, 857, 865, 4285, 5017, 24853, 25085, 124265, 148261, 741305, 4299569, 21497845

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 -21497844
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 21497845 can be divided by 16 positive divisors. The sum of these divisors (counting 21497845) is 1, the average is 0.0625.

Base conversion 21497845

Base System Value
2 Binary 1010010000000011111110101
3 Ternary 1111110012111111
4 Quaternary 1102000133311
5 Quinary 21000412340
6 Senary 2044435021
8 Octal 122003765
10 Decimal 21497845
12 Duodecimal 7248a71
16 Hexadecimal 14807f5
20 Vigesimal 6e74c5
36 Base36 csrud

Cryptographic Hash Functions

md5 5b2ed4f1588027215fb67c0ae470432b
sha1 581be7274c4f3fbc96fcb571ca413b86636b8d98
sha256 92ac306af4811a1673727420d3fc652b853661f4ef3a76209dbbf61e9d8cec90
sha512 c15e05f13191bc3bc71d6f659bea129bc374e9b2deb5e9aebeade9fd4a6e89c204e7af0647439d34579948cadc66fb0a7f799516534e99436c15ab815d508865
ripemd-160 db35a68e8d6575b5215d77ffd2b1d5fcf8d4073c

21497845 as geometric shapes

Circle

Radius = n
Diameter 42995690
Circumference 135074943.84002
Area 1.4519101030283E+15

Sphere

Radius = n
Volume 4.1617251131781E+22
Surface area 5.8076404121131E+15
Circumference 135074943.84002

Square

Length = n
Perimeter 85991380
Area 462157339644025
Diagonal 30402543.960795

Cube

Length = n
Surface area 2772944037864150
Volume 9.9353868532796E+21
Space diagonal 37235359.793241

Equilateral Triangle

Length = n
Perimeter 64493535
Area 2.0011999833858E+14
Altitude 18617679.89662

Triangular Pyramid

Length = n
Surface area 2.0011999833858E+14
Volume 1.1708965696109E+21
Height 10134181.320265