6819405840

Names of 6819405840

• Cardinal: 6819405840 can be written as Six billion, eight hundred nineteen million, four hundred five thousand, eight hundred forty.

Scientific notation

• Scientific notation: 6.81940584 × 10⁹

Factors of 6819405840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2561

Divisors of 6819405840

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 17 18 20 24 26 30 34 36 39 40 45 48 51 52 60 65 68 72 78 80 85 90 102 104 117 120 130 136 144 153 156 170 180 195 204 208 221 234 240 255 260 272 289 306 312 340 360 390 408 442 468 510 520 578 585 612 624 663 680 720 765 780 816 867 884 936 1020 1040 1105 1156 1170 1224 1326 1360 1445 1530 1560 1734 1768 1872 1989 2040 2210 2312 2340 2448 2521 2601 2652 2890 3060 3120 3315 3468 3536 3757 3978 4080 4335 4420 4624 4680 5042 5202 5304 5780 6120 6630 6936 7514 7563 7956 8670 8840 9360 9945 10084 10404 10608 11271 11560 12240 12605 13005 13260 13872 15028 15126 15912 17340 17680 18785 19890 20168 20808 22542 22689 23120 25210 26010 26520 30056 30252 31824 32773 33813 34680 37570 37815 39780 40336 41616 42857 45084 45378 50420 52020 53040 56355 60112 60504 65546 67626 69360 75140 75630 79560 85714 90168 90756 98319 100840 104040 112710 113445 121008 128571 131092 135252 150280 151260 159120 163865 169065 171428 180336 181512 196638 201680 208080 214285 225420 226890 257142 262184 270504 294957 300560 302520 327730 338130 342856 363024 385713 393276 428570 450840 453780 491595 514284 524368 541008 557141 589914 605040 642855 655460 676260 685712 728569 771426 786552 857140 901680 907560 983190 1028568 1114282 1179828 1285710 1310920 1352520 1457138 1474785 1542852 1573104 1671423 1714280 1815120 1928565 1966380 2057136 2185707 2228564 2359656 2571420 2621840 2705040 2785705 2914276 2949570 3085704 3342846 3428560 3642845 3857130 3932760 4371414 4457128 4719312 5014269 5142840 5571410 5828552 5899140 6171408 6557121 6685692 7285690 7714260 7865520 8357115 8742828 8914256 9471397 10028538 10285680 10928535 11142820 11657104 11798280 13114242 13371384 14571380 15428520 16714230 17485656 18942794 20057076 21857070 22285640 23596560 25071345 26228484 26742768 28414191 29142760 30857040 32785605 33428460 34971312 37885588 40114152 43714140 44571280 47356985 50142690 52456968 56828382 58285520 65571210 66856920 75771176 80228304 85242573 87428280 94713970 100285380 104913936 113656764 131142420 133713840 142070955 151542352 170485146 174856560 189427940 200570760 227313528 262284840 284141910 340970292 378855880 401141520 426212865 454627056 524569680 568283820 681940584 757711760 852425730 1136567640 1363881168 1704851460 2273135280 3409702920 6819405840
• Sum of all divisors σ(n): 26210046408
• Sum of proper divisors (its aliquot sum) s(n): 19390640568
• 6819405840 is an abundant number, because the sum of its proper divisors (19390640568) is greater than itself. Its abundance is 12571234728

Bases of 6819405840

• Binary: 110010110011101111110000000010000₂
• Hexadecimal: 0x19677E010
• Base-36: 34S3J80

Squares and roots of 6819405840

• 6819405840 squared (6819405840²) is 46504296010626105600
• 6819405840 cubed (6819405840³) is 317131667799952366585096704000
• The square root of 6819405840 is 82579.6938720409
• The cube root of 6819405840 is 1896.3369720999

Scales and comparisons

• 6,819,405,840 seconds is equal to 216 years, 43 weeks, 3 days, 7 hours, 24 minutes.
• To count from 1 to 6,819,405,840 would take you about four hundred thirty-three 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 6819405840 cubic inches would be around 158 feet tall.

Recreational maths with 6819405840

• 6819405840 backwards is 0485049186
• 6819405840 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 6819405840's digits is 45
• More coming soon!