6399448380

Names of 6399448380

• Cardinal: 6399448380 can be written as Six billion, three hundred ninety-nine million, four hundred forty-eight thousand, three hundred eighty.

Scientific notation

• Scientific notation: 6.39944838 × 10⁹

Factors of 6399448380

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 9503

Divisors of 6399448380

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 17 18 20 26 30 34 36 39 45 51 52 60 65 68 78 85 90 102 117 130 153 156 170 180 195 204 221 234 255 260 289 306 340 390 442 468 510 578 585 612 663 765 780 867 884 1020 1105 1156 1170 1326 1445 1530 1734 1989 2210 2340 2601 2652 2890 3060 3315 3468 3757 3978 4335 4420 5202 5780 6630 7514 7956 8670 9463 9945 10404 11271 13005 13260 15028 17340 18785 18926 19890 22542 26010 28389 33813 37570 37852 39780 45084 47315 52020 56355 56778 67626 75140 85167 94630 112710 113556 123019 135252 141945 160871 169065 170334 189260 225420 246038 283890 321742 338130 340668 369057 425835 482613 492076 567780 615095 643484 676260 738114 804355 851670 965226 1107171 1230190 1447839 1476228 1608710 1703340 1845285 1930452 2091323 2214342 2413065 2460380 2734807 2895678 3217420 3690570 4182646 4428684 4826130 5469614 5535855 5791356 6273969 7239195 7381140 8204421 8365292 9652260 10456615 10939228 11071710 12547938 13674035 14478390 16408842 18821907 20913230 22143420 24613263 25095876 27348070 28956780 31369845 32817684 35552491 37643814 41022105 41826460 49226526 54696140 62739690 71104982 75287628 82044210 94109535 98453052 106657473 123066315 125479380 142209964 164088420 177762455 188219070 213314946 246132630 319972419 355524910 376438140 426629892 492265260 533287365 639944838 711049820 1066574730 1279889676 1599862095 2133149460 3199724190 6399448380
• Sum of all divisors σ(n): 22209244512
• Sum of proper divisors (its aliquot sum) s(n): 15809796132
• 6399448380 is an abundant number, because the sum of its proper divisors (15809796132) is greater than itself. Its abundance is 9410347752

Bases of 6399448380

• Binary: 101111101011011111101010100111100₂
• Hexadecimal: 0x17D6FD53C
• Base-36: 2XU2DZ0

Squares and roots of 6399448380

• 6399448380 squared (6399448380²) is 40952939568284624400
• 6399448380 cubed (6399448380³) is 262076222776496938995488472000
• The square root of 6399448380 is 79996.5523007085
• The cube root of 6399448380 is 1856.5821903867

Scales and comparisons

• 6,399,448,380 seconds is equal to 203 years, 25 weeks, 16 hours, 33 minutes.
• To count from 1 to 6,399,448,380 would take you about four hundred six years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 6399448380 cubic inches would be around 154.7 feet tall.

Recreational maths with 6399448380

• 6399448380 backwards is 0838449936
• The number of decimal digits it has is: 10
• The sum of 6399448380's digits is 54
• More coming soon!