1978889740 is an even 10-digits composite number following 1978889739
and preceding 1978889741 . In scientific notation, it is written as 1.978889740 × 10^9.
The sum of its digits is 61. It has a total of 5 prime factors and 24 positive divisors.
There are 791273280 positive integers (up to 1978889740) that are relatively prime to 1978889740.
1978889740 has 24 divisors, whose sum is 4157152272
The reverse of 1978889740 is 0479888791
Previous prime number is 3067
Is Prime? no
Number parity even
Number length 10
Sum of Digits 61
Digital Root 7
Name
one billion nine hundred seventy-eight million eight hundred eighty-nine thousand seven hundred forty
Scientific notation
1.978889740 × 10^9
Engineering notation
1.978889740 × 10^9
Prime Factorization
2 × 2 × 5 × 3067 × 32261
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
989444870
Product of the distinct prime numbers
The prime factorization of 1978889740 is 2 × 2 × 5 × 3067 × 32261.
Since it has a total of 5 prime factors.
2 , 4 , 80 , 30 , 213 , 929 , 9956 , 4746 , 67508 , 46944 , 229945 , 769527 , 8166515 , 9263604 , 10146513 , 27216196 , 954746010 , 116903036 , 7947415262 , 3638762062
n×2
3957779480
n×3
5936669220
n×4
7915558960
n×5
9894448700
n÷2
989444870
n÷3
659629913.33333
n÷3
494722435
n÷5
395777948
n2
3916004603077267600
n3
7.7493413308224E+27
n4
1.5335092051322E+37
n5
3.0346456322317E+46
2 √n
44484.713554209
3 √n
1255.4724844347
4 √n
210.91399563379
5 √n
72.324313388709
1 , 2 , 4 , 5 , 10 , 20 , 3067 , 6134 , 12268 , 15335 , 30670 , 32261 , 61340 , 64522 , 129044 , 161305 , 322610 , 645220 , 98944487 , 197888974 , 395777948 , 494722435 , 989444870 , 1978889740
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1978889739
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1978889740 can be divided by 24 positive divisors.
The sum of these divisors (counting 1978889740) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110101111100110111011000001100
3
Ternary
12002220122000101121
4
Quaternary
1311330313120030
5
Quinary
13023043432430
6
Senary
524210250324
8
Octal
16574673014
10
Decimal
1978889740
12
Duodecimal
4728869a4
16
Hexadecimal
75f3760c
20
Vigesimal
1ai81470
36
Base36
wq6h3g
md5
f204ac74b33b1ced6cecc0ffc56d9e13
sha1
b158f5b0ebf604ee2aaaefc47f328585abcfa3a7
sha256
4e222661b2d53dd7c65985870b640b0ca7c7411a4602431f530f7512a576883e
sha512
f4ed6cd359c25c09aa69cc8d86cce3cee619920280587d38f41098ea8a9b842e416bd1d8b2d44d51a157be7172c6e2047828244e138f0ab3e0876b1f1b8389e3
ripemd-160
6aa747d54f2758d5d348e86ece7b2d6b300d1487
Diameter
3957779480
Circumference
12433730938.896
Area
1.2302491292451E+19
Volume
3.2460365060095E+28
Surface area
4.9209965169805E+19
Circumference
12433730938.896
Perimeter
7915558960
Area
3916004603077267600
Diagonal
2798572708.749
Surface area
2.3496027618464E+19
Volume
7.7493413308224E+27
Space diagonal
3427537572.2568
Perimeter
5936669220
Area
1.6956797338009E+18
Altitude
1713768786.1284
Surface area
1.6956797338009E+18
Volume
9.1326863412561E+26
Height
932857569.58299