1978889680 (number)

1978889680 is an even 10-digits composite number following 1978889679 and preceding 1978889681. In scientific notation, it is written as 1.978889680 × 10^9. The sum of its digits is 64. It has a total of 7 prime factors and 40 positive divisors. There are 789508608 positive integers (up to 1978889680) that are relatively prime to 1978889680.

Interesting facts

Basic properties

Name

Name one billion nine hundred seventy-eight million eight hundred eighty-nine thousand six hundred eighty

Notation

Scientific notation 1.978889680 × 10^9
Engineering notation 1.978889680 × 10^9

Prime Factorization of 1978889680

Prime Factorization 2 × 2 × 2 × 2 × 5 × 389 × 63589

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 247361210
Product of the distinct prime numbers

The prime factorization of 1978889680 is 2 × 2 × 2 × 2 × 5 × 389 × 63589. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1978889680)

Multiplication

n×y
n×2 3957779360
n×3 5936669040
n×4 7915558720
n×5 9894448400

Division

n÷y
n÷2 989444840
n÷3 659629893.33333
n÷3 494722420
n÷5 395777936

Exponentiation

ny
n2 3916004365610502400
n3 7.7493406259416E+27
n4 1.5335090191481E+37
n5 3.034645172179E+46

Nth Root

y√n
2√n 44484.71287982
3√n 1255.472471746
4√n 210.91399403506
5√n 72.324312950134

Divisors of 1978889680

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1978889679
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1978889680 can be divided by 40 positive divisors. The sum of these divisors (counting 1978889680) is 1, the average is 0.025.

Base conversion 1978889680

Base System Value
2 Binary 1110101111100110111010111010000
3 Ternary 12002220122000022101
4 Quaternary 1311330313113100
5 Quinary 13023043432210
6 Senary 524210250144
8 Octal 16574672720
10 Decimal 1978889680
12 Duodecimal 472886954
16 Hexadecimal 75f375d0
20 Vigesimal 1ai81440
36 Base36 wq6h1s

Cryptographic Hash Functions

md5 5eb6b015e931fc8013e9c6517ac0d780
sha1 bc8a214587d125f079afc0ecd141e7907fb736a1
sha256 2212ee4142d7954c4e370fe5f14c493fd4a6ddafd1b0f2c4fb3588c685a65788
sha512 44c54d04c62324e456b20a1bb3f2c7dae109ef65fe749ebea661bbe97cd9a93bd3f9ff94ebd17e98fc91b0482c422a2c818f4882bbed0b54ae9c01584b665477
ripemd-160 0904bc5e178c8f431cd544a32c5f7056c4fd125c

1978889680 as geometric shapes

Circle

Radius = n
Diameter 3957779360
Circumference 12433730561.905
Area 1.2302490546428E+19

Sphere

Radius = n
Volume 3.2460362107497E+28
Surface area 4.920996218571E+19
Circumference 12433730561.905

Square

Length = n
Perimeter 7915558720
Area 3916004365610502400
Diagonal 2798572623.8962

Cube

Length = n
Surface area 2.3496026193663E+19
Volume 7.7493406259416E+27
Space diagonal 3427537468.3337

Equilateral Triangle

Length = n
Perimeter 5936669040
Area 1.6956796309747E+18
Altitude 1713768734.1669

Triangular Pyramid

Length = n
Surface area 1.6956796309747E+18
Volume 9.1326855105461E+26
Height 932857541.29872