210957981 (number)

210957981 is an odd 9-digits composite number following 210957980 and preceding 210957982. In scientific notation, it is written as 2.10957981 × 10^8. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 120090624 positive integers (up to 210957981) that are relatively prime to 210957981.

Interesting facts

Basic properties

Name

Name two hundred ten million nine hundred fifty-seven thousand nine hundred eighty-one

Notation

Scientific notation 2.10957981 × 10^8
Engineering notation 2.10957981 × 10^6

Prime Factorization of 210957981

Prime Factorization 3 × 221 × 59 × 5393

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 210957981
Product of the distinct prime numbers

The prime factorization of 210957981 is 3 × 221 × 59 × 5393. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 8, 66, 38, 79, 947, 4560, 221, 78853, 79674, 826454, 980544, 9876758, 7994025, 9208196, 72065521, 460432941, 989194203, 1802674369, 3692012011

Basic calculations (n = 210957981)

Multiplication

n×y
n×2 421915962
n×3 632873943
n×4 843831924
n×5 1054789905

Division

n÷y
n÷2 105478990.5
n÷3 70319327
n÷3 52739495.25
n÷5 42191596.2

Exponentiation

ny
n2 44503269747596361
n3 9.3883199338513E+24
n4 1.9805410182273E+33
n5 4.1781093449292E+41

Nth Root

y√n
2√n 14524.392620692
3√n 595.29465997475
4√n 120.51718807163
5√n 46.220984544533

Divisors of 210957981

1, 3, 59, 177, 221, 663, 5393, 13039, 16179, 39117, 318187, 954561, 1191853, 3575559, 70319327, 210957981

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 -210957980
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 210957981 can be divided by 16 positive divisors. The sum of these divisors (counting 210957981) is 1, the average is 0.0625.

Base conversion 210957981

Base System Value
2 Binary 1100100100101111011010011101
3 Ternary 112200221202221120
4 Quaternary 30210233122131
5 Quinary 413001123411
6 Senary 32533321153
8 Octal 1444573235
10 Decimal 210957981
12 Duodecimal 5a7961b9
16 Hexadecimal c92f69d
20 Vigesimal 35i9ej1
36 Base36 3hlk7x

Cryptographic Hash Functions

md5 581daaec35c4a7baa9493df1331fae4a
sha1 09228cbfd9e1e662b3b062ca3aede6b8a19721e1
sha256 5b8cfba0f414dafb87f29ae820bd0ab6493b7b8c2d5f41a2d983d0c530940024
sha512 9aa2a2d606c7b08a65655a4419cae63f743b6d5b0fe4c10235151852a7de1d298c7000316822c096dab8f63e9435890abfa534c889b9d3a34b78f646b2bcc511
ripemd-160 6fafe056b2f690a8052d60562eb799d20c7d85d4

210957981 as geometric shapes

Circle

Radius = n
Diameter 421915962
Circumference 1325488086.6515
Area 1.3981114529977E+17

Sphere

Radius = n
Volume 3.9325702578317E+25
Surface area 5.5924458119909E+17
Circumference 1325488086.6515

Square

Length = n
Perimeter 843831924
Area 44503269747596361
Diagonal 298339637.82105

Cube

Length = n
Surface area 267019618485578166
Volume 9.3883199338513E+24
Space diagonal 365389941.35415

Equilateral Triangle

Length = n
Perimeter 632873943
Area 1.9270481076445E+16
Altitude 182694970.67707

Triangular Pyramid

Length = n
Surface area 1.9270481076445E+16
Volume 1.1064241148625E+24
Height 99446545.940349