1978889749 (number)

1978889749 is an odd 10-digits composite number following 1978889748 and preceding 1978889750. In scientific notation, it is written as 1.978889749 × 10^9. The sum of its digits is 70. It has a total of 2 prime factors and 4 positive divisors. There are 1977135840 positive integers (up to 1978889749) that are relatively prime to 1978889749.

Interesting facts

Basic properties

Name

Name one billion nine hundred seventy-eight million eight hundred eighty-nine thousand seven hundred forty-nine

Notation

Scientific notation 1.978889749 × 10^9
Engineering notation 1.978889749 × 10^9

Prime Factorization of 1978889749

Prime Factorization 1129 × 1752781

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1978889749
Product of the distinct prime numbers

The prime factorization of 1978889749 is 1129 × 1752781. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 8, 80, 83, 680, 268, 4709, 8469, 82283, 65419, 758546, 222413, 5508228, 1720367, 85852753, 5130789, 589048032, 680821337, 4482510916, 5497851707

Basic calculations (n = 1978889749)

Multiplication

n×y
n×2 3957779498
n×3 5936669247
n×4 7915558996
n×5 9894448745

Division

n÷y
n÷2 989444874.5
n÷3 659629916.33333
n÷3 494722437.25
n÷5 395777949.8

Exponentiation

ny
n2 3916004638697283001
n3 7.7493414365545E+27
n4 1.5335092330299E+37
n5 3.0346457012396E+46

Nth Root

y√n
2√n 44484.713655367
3√n 1255.472486338
4√n 210.9139958736
5√n 72.324313454495

Divisors of 1978889749

1, 1129, 1752781, 1978889749

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 -1978889748
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 1978889749 can be divided by 4 positive divisors. The sum of these divisors (counting 1978889749) is 1, the average is 0.25.

Base conversion 1978889749

Base System Value
2 Binary 1110101111100110111011000010101
3 Ternary 12002220122000101221
4 Quaternary 1311330313120111
5 Quinary 13023043432444
6 Senary 524210250341
8 Octal 16574673025
10 Decimal 1978889749
12 Duodecimal 4728869b1
16 Hexadecimal 75f37615
20 Vigesimal 1ai81479
36 Base36 wq6h3p

Cryptographic Hash Functions

md5 08373999da4a1d2bc82866c58ad1e302
sha1 beed7cbf1ec7036885a247e75c2aa9840bd80d73
sha256 530d8b0a138fb4d328b8bd82dcccd4f29510b18d03b9e26a5a12e8781441e477
sha512 24393bccaf230e467a6ba3315d8b506b9cf365659070ac47c7e0dd21bfdc7ce0f7cc5a9d82f34e116431a314c9c48fb0a9e08a5e87028c539988a9d0323739ae
ripemd-160 34fc1e47cd6000154a5c9de424bf966b0f75c17e

1978889749 as geometric shapes

Circle

Radius = n
Diameter 3957779498
Circumference 12433730995.445
Area 1.2302491404355E+19

Sphere

Radius = n
Volume 3.2460365502985E+28
Surface area 4.920996561742E+19
Circumference 12433730995.445

Square

Length = n
Perimeter 7915558996
Area 3916004638697283001
Diagonal 2798572721.4769

Cube

Length = n
Surface area 2.3496027832184E+19
Volume 7.7493414365545E+27
Space diagonal 3427537587.8452

Equilateral Triangle

Length = n
Perimeter 5936669247
Area 1.6956797492248E+18
Altitude 1713768793.9226

Triangular Pyramid

Length = n
Surface area 1.6956797492248E+18
Volume 9.1326864658627E+26
Height 932857573.82563