398996978 (number)

398996978 is an even 9-digits composite number following 398996977 and preceding 398996979. In scientific notation, it is written as 3.98996978 × 10^8. The sum of its digits is 68. It has a total of 2 prime factors and 4 positive divisors. There are 199498488 positive integers (up to 398996978) that are relatively prime to 398996978.

Interesting facts

Basic properties

Name

Name three hundred ninety-eight million nine hundred ninety-six thousand nine hundred seventy-eight

Notation

Scientific notation 3.98996978 × 10^8
Engineering notation 3.98996978 × 10^6

Prime Factorization of 398996978

Prime Factorization 2 × 199498489

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 398996978
Product of the distinct prime numbers

The prime factorization of 398996978 is 2 × 199498489. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 2, 39, 40, 291, 650, 3888, 1185, 18894, 47318, 918954, 880994, 8342663, 5223070, 7726585, 98167303, 695614118, 246896823, 3398813811, 5921484137

Basic calculations (n = 398996978)

Multiplication

n×y
n×2 797993956
n×3 1196990934
n×4 1595987912
n×5 1994984890

Division

n÷y
n÷2 199498489
n÷3 132998992.66667
n÷3 99749244.5
n÷5 79799395.6

Exponentiation

ny
n2 159198588453132484
n3 6.3519755694666E+25
n4 2.534419056547E+34
n5 1.0112255445479E+43

Nth Root

y√n
2√n 19974.90871068
3√n 736.18992346787
4√n 141.33261729226
5√n 52.50418497227

Divisors of 398996978

1, 2, 199498489, 398996978

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 -398996977
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 398996978 can be divided by 4 positive divisors. The sum of these divisors (counting 398996978) is 1, the average is 0.25.

Base conversion 398996978

Base System Value
2 Binary 10111110010000011010111110010
3 Ternary 1000210210010221212
4 Quaternary 113302003113302
5 Quinary 1304120400403
6 Senary 103331520122
8 Octal 2762032762
10 Decimal 398996978
12 Duodecimal b1759042
16 Hexadecimal 17c835f2
20 Vigesimal 64dec8i
36 Base36 6ljw1e

Cryptographic Hash Functions

md5 982371274a646737d5208d2c0854c0c6
sha1 0c341fa2813ae05cb0f088e78cfb44e1eccfbbfb
sha256 1dbb925410fd2d83292c9341b9dafe002ddf21b4f79fb99627a77df45976516f
sha512 8001806362993a9e3f0d1bbbe6448dc88e401f3fa04c240a9484e21a535f1c5ca924ab1a6b8c6751838f3b8120bb9b7bc76227ad91e343d04d6ce8584c85f829
ripemd-160 462db199c18f89d984b322e25268f44c151bd715

398996978 as geometric shapes

Circle

Radius = n
Diameter 797993956
Circumference 2506971949.7787
Area 5.0013711594623E+17

Sphere

Radius = n
Volume 2.6607093046424E+26
Surface area 2.0005484637849E+18
Circumference 2506971949.7787

Square

Length = n
Perimeter 1595987912
Area 159198588453132484
Diagonal 564266937.63348

Cube

Length = n
Surface area 955191530718794904
Volume 6.3519755694666E+25
Space diagonal 691083037.96244

Equilateral Triangle

Length = n
Perimeter 1196990934
Area 6.8935010923518E+16
Altitude 345541518.98122

Triangular Pyramid

Length = n
Surface area 6.8935010923518E+16
Volume 7.4858749985018E+24
Height 188088979.21116