1988949968 is an even 10-digits composite number following 1988949967
and preceding 1988949969 . In scientific notation, it is written as 1.988949968 × 10^9.
The sum of its digits is 71. It has a total of 5 prime factors and 10 positive divisors.
There are 994474976 positive integers (up to 1988949968) that are relatively prime to 1988949968.
1988949968 has 10 divisors, whose sum is 3853590594
The reverse of 1988949968 is 8699498891
Previous prime number is 2
Is Prime? no Number parity even Number length 10 Sum of Digits 71 Digital Root 8
Name
one billion nine hundred eighty-eight million nine hundred forty-nine thousand nine hundred sixty-eight
Scientific notation
1.988949968 × 10^9
Engineering notation
1.988949968 × 10^9
Prime Factorization
2 × 2 × 2 × 2 × 124309373
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
248618746 Product of the distinct prime numbers
The prime factorization of 1988949968 is 2 × 2 × 2 × 2 × 124309373.
Since it has a total of 5 prime factors.
9 , 7 , 56 , 94 , 673 , 452 , 2184 , 4880 , 47956 , 42541 , 586562 , 741919 , 5588648 , 2172924 , 48447637 , 56917602 , 996832655 , 455009409 , 560426166 , 2206874664
n×2
3977899936
n×3
5966849904
n×4
7955799872
n×5
9944749840
n÷2
994474984
n÷3
662983322.66667
n÷3
497237492
n÷5
397789993.6
n2
3955921975207201024
n3
7.8681308859989E+27
n4
1.5649318673927E+37
n5
3.1125711875729E+46
2 √n44597.645319008
3 √n1257.5964020653
4 √n211.18154587702
5 √n72.397700398139
10 divisors
τ Total Divisors
10 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1988949967 Sum of the proper positive divisors of n
A Arithmetic Mean
0.1 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
10 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1988949968 can be divided by 10 positive divisors.
The sum of these divisors (counting 1988949968) is 1, the average is 0.1.
Base
System
Value
2
Binary
1110110100011001111011111010000
3
Ternary
12010121120010102122
4
Quaternary
1312203033133100
5
Quinary
13033132344333
6
Senary
525210033412
8
Octal
16643173720
10
Decimal
1988949968
12
Duodecimal
476118868
16
Hexadecimal
768cf7d0
20
Vigesimal
1b1aiei8
36
Base36
ww63m8
md5
4ea9fb5b973a81a57df7cdc43dba4460
sha1
da7425bb79216d6e552b579e8d9582dece0109bf
sha256
9112d52e45d3c734f4359d851566fbf261c42b0e82dfb87790ff78a3a57d893d
sha512
fccf92ef26a5e0b2ff8385b3a21109d85990b1b3328d1db17776a9db96efa0b883223af5d61afb5687b8cef691dfb5dbbd3128f6f910e19e712be5b92bbddbe0
ripemd-160
64697c3cdf8297fa61810a32f02c729dc614222d
Diameter
3977899936
Circumference
12496941215.653
Area
1.2427895415485E+19
Volume
3.2957949585249E+28
Surface area
4.9711581661941E+19
Circumference
12496941215.653
Perimeter
7955799872
Area
3955921975207201024
Diagonal
2812800019.6271
Surface area
2.3735531851243E+19
Volume
7.8681308859989E+27
Space diagonal
3444962398.2885
Perimeter
5966849904
Area
1.7129644629593E+18
Altitude
1722481199.1442
Surface area
1.7129644629593E+18
Volume
9.2726811745885E+26
Height
937600006.54238