1998498978 (number)

1998498978 is an even 10-digits composite number following 1998498977 and preceding 1998498979. In scientific notation, it is written as 1.998498978 × 10^9. The sum of its digits is 72. It has a total of 6 prime factors and 48 positive divisors. There are 569809728 positive integers (up to 1998498978) that are relatively prime to 1998498978.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.998498978 × 10^9
Engineering notation 1.998498978 × 10^9

Prime Factorization of 1998498978

Prime Factorization 2 × 3 × 3 × 7 × 487 × 32569

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 666166326
Product of the distinct prime numbers

The prime factorization of 1998498978 is 2 × 3 × 3 × 7 × 487 × 32569. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 1, 65, 64, 20, 14, 2475, 7026, 50541, 38689, 282095, 964401, 9407900, 1816415, 99240207, 83676113, 304379662, 706042120, 8956596851, 7309530629

Basic calculations (n = 1998498978)

Multiplication

n×y
n×2 3996997956
n×3 5995496934
n×4 7993995912
n×5 9992494890

Division

n÷y
n÷2 999249489
n÷3 666166326
n÷3 499624744.5
n÷5 399699795.6

Exponentiation

ny
n2 3993998165067044484
n3 7.9820012510204E+27
n4 1.5952021342559E+37
n5 3.1880098350138E+46

Nth Root

y√n
2√n 44704.574463918
3√n 1259.6057761405
4√n 211.43456307784
5√n 72.46708399814

Divisors of 1998498978

1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 487, 974, 1461, 2922, 3409, 4383, 6818, 8766, 10227, 20454, 30681, 32569, 61362, 65138, 97707, 195414, 227983, 293121, 455966, 586242, 683949, 1367898, 2051847, 4103694, 15861103, 31722206, 47583309, 95166618, 111027721, 142749927, 222055442, 285499854, 333083163, 666166326, 999249489, 1998498978

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1998498977
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1998498978 can be divided by 48 positive divisors. The sum of these divisors (counting 1998498978) is 1, the average is 0.020833333333333.

Base conversion 1998498978

Base System Value
2 Binary 1110111000111101010110010100010
3 Ternary 12011021112021012200
4 Quaternary 1313013222302202
5 Quinary 13043103431403
6 Senary 530150434030
8 Octal 16707526242
10 Decimal 1998498978
12 Duodecimal 479362916
16 Hexadecimal 771eaca2
20 Vigesimal 1b4ac78i
36 Base36 x1uroi

Cryptographic Hash Functions

md5 5d5975ac2b7d2b4714306a2ab4fcaa64
sha1 334512090f762bf68c92e67868ee0575b262ead1
sha256 f1274e4e210b71c9d2e6b46bb58fa31d3176e6f50fe72c8c6e0c7c9afcfe4463
sha512 782016b94a43db4946e7792972f443a6acf7242c3673a536d135cb9d93f0c72d0262db1c905a42aadd4ad39523faf644fb5980f2fd90a423e9a2ef049e6da39f
ripemd-160 ee163a9846771120a05ab0f5de6ce36a0e5cc232

1998498978 as geometric shapes

Circle

Radius = n
Diameter 3996997956
Circumference 12556939414.983
Area 1.2547515293826E+19

Sphere

Radius = n
Volume 3.3434928654867E+28
Surface area 5.0190061175303E+19
Circumference 12556939414.983

Square

Length = n
Perimeter 7993995912
Area 3993998165067044484
Diagonal 2826304359.0764

Cube

Length = n
Surface area 2.3963988990402E+19
Volume 7.9820012510204E+27
Space diagonal 3461501768.7705

Equilateral Triangle

Length = n
Perimeter 5995496934
Area 1.7294519368082E+18
Altitude 1730750884.3852

Triangular Pyramid

Length = n
Surface area 1.7294519368082E+18
Volume 9.4068786867267E+26
Height 942101453.02546