1990717688 is an even 10-digits composite number following 1990717687
and preceding 1990717689 . In scientific notation, it is written as 1.990717688 × 10^9.
The sum of its digits is 56. It has a total of 4 prime factors and 8 positive divisors.
There are 995358840 positive integers (up to 1990717688) that are relatively prime to 1990717688.
1990717688 has 8 divisors, whose sum is 3732595680
The reverse of 1990717688 is 8867170991
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 56
Digital Root 2
Name
one billion nine hundred ninety million seven hundred seventeen thousand six hundred eighty-eight
Scientific notation
1.990717688 × 10^9
Engineering notation
1.990717688 × 10^9
Prime Factorization
2 × 2 × 2 × 248839711
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
497679422
Product of the distinct prime numbers
The prime factorization of 1990717688 is 2 × 2 × 2 × 248839711.
Since it has a total of 4 prime factors.
5 , 1 , 85 , 90 , 495 , 410 , 8085 , 4600 , 424 , 62192 , 362202 , 421450 , 7327875 , 4455611 , 1841899 , 80172276 , 584575780 , 837715749 , 4880435974 , 7034864435
n×2
3981435376
n×3
5972153064
n×4
7962870752
n×5
9953588440
n÷2
995358844
n÷3
663572562.66667
n÷3
497679422
n÷5
398143537.6
n2
3962956913316065344
n3
7.8891284241202E+27
n4
1.57050274968E+37
n5
3.1264276028405E+46
2 √n
44617.459452551
3 √n
1257.9688632584
4 √n
211.22845322672
5 √n
72.410564813204
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1990717687
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990717688 can be divided by 8 positive divisors.
The sum of these divisors (counting 1990717688) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110101001111111000011111000
3
Ternary
12010201212221021202
4
Quaternary
1312221333003320
5
Quinary
13034110431223
6
Senary
525311553332
8
Octal
16651770370
10
Decimal
1990717688
12
Duodecimal
47682b848
16
Hexadecimal
76a7f0f8
20
Vigesimal
1b21je48
36
Base36
wx7zlk
md5
e097946b9ebd8f0dda6979efa5b930d6
sha1
567ad8b7214122fce408268fedadbcd7ed0518a6
sha256
ecddc9a5cb56922f07683d991faa61de094371ca198dfd992fe65573c5c08fbd
sha512
7bcbdefe094d989e5e9ea31f02730f33bb11d6fb95f14086a6e5433001070c4af13ea2bcec8e1d7e99e20284f1b8a18f9a63d1ab5c826a81b04b1d011679ca4d
ripemd-160
814cb1813b446753577e9e1148ea1276fe4fb8a8
Diameter
3981435376
Circumference
12508048127.984
Area
1.2449996325367E+19
Volume
3.3045903867256E+28
Surface area
4.9799985301467E+19
Circumference
12508048127.984
Perimeter
7962870752
Area
3962956913316065344
Diagonal
2815299953.2256
Surface area
2.3777741479896E+19
Volume
7.8891284241202E+27
Space diagonal
3448024179.142
Perimeter
5972153064
Area
1.7160106805174E+18
Altitude
1724012089.571
Surface area
1.7160106805174E+18
Volume
9.2974270105782E+26
Height
938433317.74187