2001991978 (number)

2001991978 is an even 10-digits composite number following 2001991977 and preceding 2001991979. In scientific notation, it is written as 2.001991978 × 10^9. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 790340352 positive integers (up to 2001991978) that are relatively prime to 2001991978.

Interesting facts

Basic properties

Name

Name two billion one million nine hundred ninety-one thousand nine hundred seventy-eight

Notation

Scientific notation 2.001991978 × 10^9
Engineering notation 2.001991978 × 10^9

Prime Factorization of 2001991978

Prime Factorization 2 × 119 × 47 × 178973

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2001991978
Product of the distinct prime numbers

The prime factorization of 2001991978 is 2 × 119 × 47 × 178973. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 10, 35, 64, 858, 887, 1970, 1407, 16632, 73359, 181315, 974168, 6566485, 1919995, 92321245, 49796379, 416483892, 13912245, 2962670312, 2508566040

Basic calculations (n = 2001991978)

Multiplication

n×y
n×2 4003983956
n×3 6005975934
n×4 8007967912
n×5 10009959890

Division

n÷y
n÷2 1000995989
n÷3 667330659.33333
n÷3 500497994.5
n÷5 400398395.6

Exponentiation

ny
n2 4007971879976352484
n3 8.0239275517622E+27
n4 1.6063838590681E+37
n5 3.2159675994431E+46

Nth Root

y√n
2√n 44743.624998429
3√n 1260.33920027
4√n 211.52688953991
5√n 72.492398070836

Divisors of 2001991978

1, 2, 47, 94, 119, 238, 5593, 11186, 178973, 357946, 8411731, 16823462, 21297787, 42595574, 1000995989, 2001991978

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 -2001991977
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 2001991978 can be divided by 16 positive divisors. The sum of these divisors (counting 2001991978) is 1, the average is 0.0625.

Base conversion 2001991978

Base System Value
2 Binary 1110111010100111111100100101010
3 Ternary 12011112002201201001
4 Quaternary 1313110333210222
5 Quinary 13100002220403
6 Senary 530353345214
8 Octal 16724774452
10 Decimal 2001991978
12 Duodecimal 47a56820a
16 Hexadecimal 7753f92a
20 Vigesimal 1b5c8jii
36 Base36 x3xmwa

Cryptographic Hash Functions

md5 7fc2d983d7853eb7d8bdad118000dcdb
sha1 8df24b21f86e585c338a730c1984b56b74251a40
sha256 ea5989f1d391c8bea633b22922f162739253797a3a97e4ec11ba91b48f03b1e1
sha512 84b433f0c657473aead63067974124ec06ac571a2b0968db02e2915995727a40afc3101e2ca87fcb674f2ddaefadc2798131cd675a4408432e228045342fc25f
ripemd-160 d42b8e8c4f8086ea7a13eae9f3575536c2d24f7a

2001991978 as geometric shapes

Circle

Radius = n
Diameter 4003983956
Circumference 12578886581.261
Area 1.2591415013928E+19

Sphere

Radius = n
Volume 3.3610549132737E+28
Surface area 5.0365660055713E+19
Circumference 12578886581.261

Square

Length = n
Perimeter 8007967912
Area 4007971879976352484
Diagonal 2831244207.0497

Cube

Length = n
Surface area 2.4047831279858E+19
Volume 8.0239275517622E+27
Space diagonal 3467551822.2413

Equilateral Triangle

Length = n
Perimeter 6005975934
Area 1.7355027328566E+18
Altitude 1733775911.1207

Triangular Pyramid

Length = n
Surface area 1.7355027328566E+18
Volume 9.4562893060011E+26
Height 943748069.01658