20952981 (number)

20952981 is an odd 8-digits composite number following 20952980 and preceding 20952982. In scientific notation, it is written as 2.0952981 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 11853216 positive integers (up to 20952981) that are relatively prime to 20952981.

Interesting facts

Basic properties

Name

Name twenty million nine hundred fifty-two thousand nine hundred eighty-one

Notation

Scientific notation 2.0952981 × 10^7
Engineering notation 2.0952981 × 10^6

Prime Factorization of 20952981

Prime Factorization 7 × 3 × 3 × 103 × 3229

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 6984327
Product of the distinct prime numbers

The prime factorization of 20952981 is 7 × 3 × 3 × 103 × 3229. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 4, 84, 43, 539, 231, 4952, 93, 26877, 49371, 737628, 825006, 5143978, 9740569, 84915851, 4772450, 245138668, 399301289, 2147924852, 5424763842

Basic calculations (n = 20952981)

Multiplication

n×y
n×2 41905962
n×3 62858943
n×4 83811924
n×5 104764905

Division

n÷y
n÷2 10476490.5
n÷3 6984327
n÷3 5238245.25
n÷5 4190596.2

Exponentiation

ny
n2 439027412786361
n3 9.1989330385918E+21
n4 1.9274506917789E+29
n5 4.0385837723279E+36

Nth Root

y√n
2√n 4577.4426266202
3√n 275.68635606319
4√n 67.65680029842
5√n 29.123875365373

Divisors of 20952981

1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 3229, 6489, 9687, 22603, 29061, 67809, 203427, 332587, 997761, 2328109, 2993283, 6984327, 20952981

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20952980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20952981 can be divided by 24 positive divisors. The sum of these divisors (counting 20952981) is 1, the average is 0.041666666666667.

Base conversion 20952981

Base System Value
2 Binary 1001111111011011110010101
3 Ternary 1110102112002100
4 Quaternary 1033323132111
5 Quinary 20330443411
6 Senary 2025032313
8 Octal 117733625
10 Decimal 20952981
12 Duodecimal 7025699
16 Hexadecimal 13fb795
20 Vigesimal 6aj291
36 Base36 ch3f9

Cryptographic Hash Functions

md5 f3911b195ca30c59e9abd5b33ac1f4e1
sha1 65a2a8d1698b359f34cde009b9e8dbd1b6f2ed63
sha256 177681916cfb2834c471348993b02d410124c668126d1150248a9127970566d8
sha512 de69c1328525ca127b419c5b0f4b3eff062499cb5a089091696fe73a91c13cfe03e7ea1e174ff18734776c0a6bf4b6d49b4a5999d608ac7823b3a4915249b748
ripemd-160 320c6f75a40b8f8d508a61caad24a6cce1318c9d

20952981 as geometric shapes

Circle

Radius = n
Diameter 41905962
Circumference 131651462.36081
Area 1.3792452947342E+15

Sphere

Radius = n
Volume 3.8532400606539E+22
Surface area 5.5169811789367E+15
Circumference 131651462.36081

Square

Length = n
Perimeter 83811924
Area 439027412786361
Diagonal 29631989.902346

Cube

Length = n
Surface area 2634164476718166
Volume 9.1989330385918E+21
Space diagonal 36291627.662025

Equilateral Triangle

Length = n
Perimeter 62858943
Area 1.9010444621537E+14
Altitude 18145813.831013

Triangular Pyramid

Length = n
Surface area 1.9010444621537E+14
Volume 1.0841046552115E+21
Height 9877329.9674486