207981021 (number)

207981021 is an odd 9-digits composite number following 207981020 and preceding 207981022. In scientific notation, it is written as 2.07981021 × 10^8. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 138654012 positive integers (up to 207981021) that are relatively prime to 207981021.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.07981021 × 10^8
Engineering notation 2.07981021 × 10^6

Prime Factorization of 207981021

Prime Factorization 3 × 69327007

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 207981021
Product of the distinct prime numbers

The prime factorization of 207981021 is 3 × 69327007. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 6, 65, 16, 819, 723, 9672, 8271, 20158, 28430, 183462, 875651, 5806450, 7288342, 9938024, 92433816, 707796911, 500914593, 2567086509, 2871823888

Basic calculations (n = 207981021)

Multiplication

n×y
n×2 415962042
n×3 623943063
n×4 831924084
n×5 1039905105

Division

n÷y
n÷2 103990510.5
n÷3 69327007
n÷3 51995255.25
n÷5 41596204.2

Exponentiation

ny
n2 43256105096202441
n3 8.9964489023915E+24
n4 1.8710906280937E+33
n5 3.8915133921446E+41

Nth Root

y√n
2√n 14421.547108407
3√n 592.48119223177
4√n 120.08974605855
5√n 46.089791255619

Divisors of 207981021

1, 3, 69327007, 207981021

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -207981020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 207981021 can be divided by 4 positive divisors. The sum of these divisors (counting 207981021) is 1, the average is 0.25.

Base conversion 207981021

Base System Value
2 Binary 1100011001011000100111011101
3 Ternary 112111100112022210
4 Quaternary 30121120213131
5 Quinary 411220343041
6 Senary 32345431033
8 Octal 1431304735
10 Decimal 207981021
12 Duodecimal 5979b479
16 Hexadecimal c6589dd
20 Vigesimal 34jhcb1
36 Base36 3ftr6l

Cryptographic Hash Functions

md5 d231ccd4a283e77082277a06e8975542
sha1 fbda663fff8ab04ed983d213c1090a714390b177
sha256 15a99dc02b51e68de0423a8544f73db5669521f6784db2f5d58b72d4f10b0d01
sha512 f6f3e03ad8cb36c356100a7d7b1c80aec4f088dca2bb9bfdcdea3feae56e915c83a2b170d83f611899055550961198ba021dd9f6e5a604645ec97d177ed96af6
ripemd-160 f1b47044ecbef30d27a36bd14846b464d6e24655

207981021 as geometric shapes

Circle

Radius = n
Diameter 415962042
Circumference 1306783295.3194
Area 1.3589306199314E+17

Sphere

Radius = n
Volume 3.7684237040199E+25
Surface area 5.4357224797255E+17
Circumference 1306783295.3194

Square

Length = n
Perimeter 831924084
Area 43256105096202441
Diagonal 294129580.6144

Cube

Length = n
Surface area 259536630577214646
Volume 8.9964489023915E+24
Space diagonal 360233695.38205

Equilateral Triangle

Length = n
Perimeter 623943063
Area 1.873044294104E+16
Altitude 180116847.69102

Triangular Pyramid

Length = n
Surface area 1.873044294104E+16
Volume 1.0602416709132E+24
Height 98043193.538135