1978897817 (number)

1978897817 is an odd 10-digits composite number following 1978897816 and preceding 1978897818. In scientific notation, it is written as 1.978897817 × 10^9. The sum of its digits is 65. It has a total of 2 prime factors and 4 positive divisors. There are 1826674896 positive integers (up to 1978897817) that are relatively prime to 1978897817.

Interesting facts

Basic properties

Name

Name one billion nine hundred seventy-eight million eight hundred ninety-seven thousand eight hundred seventeen

Notation

Scientific notation 1.978897817 × 10^9
Engineering notation 1.978897817 × 10^9

Prime Factorization of 1978897817

Prime Factorization 13 × 152222909

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1978897817
Product of the distinct prime numbers

The prime factorization of 1978897817 is 13 × 152222909. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 3, 63, 13, 233, 598, 1707, 7849, 50157, 12291, 165937, 59121, 4738553, 657740, 24578422, 40899223, 666065699, 35208613, 7451683934, 1441709598

Basic calculations (n = 1978897817)

Multiplication

n×y
n×2 3957795634
n×3 5936693451
n×4 7915591268
n×5 9894489085

Division

n÷y
n÷2 989448908.5
n÷3 659632605.66667
n÷3 494724454.25
n÷5 395779563.4

Exponentiation

ny
n2 3916036570127365489
n3 7.7494362199172E+27
n4 1.5335342418575E+37
n5 3.0347075635065E+46

Nth Root

y√n
2√n 44484.804338111
3√n 1255.4741925368
4√n 210.91421084913
5√n 72.32437242813

Divisors of 1978897817

1, 13, 152222909, 1978897817

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 -1978897816
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 1978897817 can be divided by 4 positive divisors. The sum of these divisors (counting 1978897817) is 1, the average is 0.25.

Base conversion 1978897817

Base System Value
2 Binary 1110101111100111001010110011001
3 Ternary 12002220122102110202
4 Quaternary 1311330321112121
5 Quinary 13023044212232
6 Senary 524210351545
8 Octal 16574712631
10 Decimal 1978897817
12 Duodecimal 47288b5b5
16 Hexadecimal 75f39599
20 Vigesimal 1ai824ah
36 Base36 wq6nbt

Cryptographic Hash Functions

md5 52377dcd1a59d5d281be6491c8241dc1
sha1 cc68baeb83508152441a9ac60358bd6dcfe781dc
sha256 7d615f0a588ed597cc471523ed38761462b560d979438453af22896eb92ef132
sha512 19cdc11db1f6f46d51482b73a4e97268d3fa3f14448a15f9cbd20d9a3696676682818e0bb9cb936a5e48d4d26d0d848cd0790583ddd55445c7b92f51306ec525
ripemd-160 215231e9b79049d71100fe162f2ac6afdbbb7097

1978897817 as geometric shapes

Circle

Radius = n
Diameter 3957795634
Circumference 12433781688.184
Area 1.2302591719901E+19

Sphere

Radius = n
Volume 3.2460762530606E+28
Surface area 4.9210366879604E+19
Circumference 12433781688.184

Square

Length = n
Perimeter 7915591268
Area 3916036570127365489
Diagonal 2798584131.3519

Cube

Length = n
Surface area 2.3496219420764E+19
Volume 7.7494362199172E+27
Space diagonal 3427551562.0311

Equilateral Triangle

Length = n
Perimeter 5936693451
Area 1.6956935759396E+18
Altitude 1713775781.0156

Triangular Pyramid

Length = n
Surface area 1.6956935759396E+18
Volume 9.1327981691268E+26
Height 932861377.1173