668889291 is an odd 9-digits composite number following 668889290
and preceding 668889292 . In scientific notation, it is written as 6.68889291 × 10^8.
The sum of its digits is 57. It has a total of 5 prime factors and 32 positive divisors.
There are 373434624 positive integers (up to 668889291) that are relatively prime to 668889291.
668889291 has 32 divisors, whose sum is 1042961920
The reverse of 668889291 is 192988866
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 57
Digital Root 3
Name
six hundred sixty-eight million eight hundred eighty-nine thousand two hundred ninety-one
Scientific notation
6.68889291 × 10^8
Engineering notation
6.68889291 × 10^6
Prime Factorization
7 × 3 × 73 × 109 × 4003
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
668889291
Product of the distinct prime numbers
The prime factorization of 668889291 is 7 × 3 × 73 × 109 × 4003.
Since it has a total of 5 prime factors.
8 , 8 , 8 , 64 , 491 , 467 , 32 , 2385 , 32669 , 83321 , 346405 , 928030 , 5719389 , 8308512 , 56300532 , 554852 , 134307121 , 637942316 , 3273004199 , 9488358774
n×2
1337778582
n×3
2006667873
n×4
2675557164
n×5
3344446455
n÷2
334444645.5
n÷3
222963097
n÷3
167222322.75
n÷5
133777858.2
n2
447412883614482681
n3
2.9926968650516E+26
n4
2.0017828842423E+35
n5
1.3389711341767E+44
2 √n
25862.894095596
3 √n
874.55020844444
4 √n
160.81944563888
5 √n
58.219818685808
1 , 3 , 7 , 21 , 73 , 109 , 219 , 327 , 511 , 763 , 1533 , 2289 , 4003 , 7957 , 12009 , 23871 , 28021 , 55699 , 84063 , 167097 , 292219 , 436327 , 876657 , 1308981 , 2045533 , 3054289 , 6136599 , 9162867 , 31851871 , 95555613 , 222963097 , 668889291
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-668889290
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668889291 can be divided by 32 positive divisors.
The sum of these divisors (counting 668889291) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100111110111100111000011001011
3
Ternary
1201121122002121110
4
Quaternary
213313213003023
5
Quinary
2332213424131
6
Senary
150212341403
8
Octal
4767470313
10
Decimal
668889291
12
Duodecimal
168014863
16
Hexadecimal
27de70cb
20
Vigesimal
a90b34b
36
Base36
b28ma3
md5
a3e4d7a0dc0c4d99391202f34f4a7662
sha1
e005fb4c3f151b7a209cf837d0cdac5ac62f0fd8
sha256
0862ae31d976ad746a66e9e04063f043987f8197a36adf61c7eacfcafdb63b98
sha512
9d3e515f03f3ac98334e01cc2b03b40ebbffcc3dc6100a20888fec809b8f6417ef633f2018e7fb116f5bd28958c58b0a3ee33810032080968476dd73e94ca363
ripemd-160
0faba3d801be3e2ec0a4679d9e432a7bf0a364ab
Diameter
1337778582
Circumference
4202755365.341
Area
1.4055890282847E+18
Volume
1.2535779314223E+27
Surface area
5.6223561131387E+18
Circumference
4202755365.341
Perimeter
2675557164
Area
447412883614482681
Diagonal
945952307.05832
Surface area
2684477301686896086
Volume
2.9926968650516E+26
Space diagonal
1158550236.6507
Perimeter
2006667873
Area
1.937354615953E+17
Altitude
579275118.32536
Surface area
1.937354615953E+17
Volume
3.5269270788561E+25
Height
315317435.68611