28263997440

Names of 28263997440

• Cardinal: 28263997440 can be written as Twenty-eight billion, two hundred sixty-three million, nine hundred ninety-seven thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.826399744 × 10¹⁰

Factors of 28263997440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 1234

Divisors of 28263997440

• Number of divisors d(n): 560
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 54 56 60 63 64 70 72 80 81 84 90 96 105 108 112 120 126 128 135 140 144 160 162 168 180 189 192 210 216 224 240 252 256 270 280 288 315 320 324 336 360 378 384 405 420 432 448 480 504 512 540 560 567 576 630 640 648 672 720 756 768 810 840 864 896 945 960 1008 1024 1080 1120 1134 1152 1217 1260 1280 1296 1344 1440 1512 1536 1620 1680 1728 1792 1890 1920 2016 2048 2160 2240 2268 2304 2434 2520 2560 2592 2688 2835 2880 3024 3072 3240 3360 3456 3584 3651 3780 3840 4032 4096 4320 4480 4536 4608 4868 5040 5120 5184 5376 5670 5760 6048 6085 6144 6480 6720 6912 7168 7302 7560 7680 8064 8192 8519 8640 8960 9072 9216 9736 10080 10240 10368 10752 10953 11340 11520 12096 12170 12288 12960 13440 13824 14336 14604 15120 15360 16128 17038 17280 17920 18144 18255 18432 19472 20160 20480 20736 21504 21906 22680 23040 24192 24340 24576 25557 25920 26880 27648 28672 29208 30240 30720 32256 32859 34076 34560 35840 36288 36510 36864 38944 40320 40960 41472 42595 43008 43812 45360 46080 48384 48680 51114 51840 53760 54765 55296 57344 58416 60480 61440 64512 65718 68152 69120 71680 72576 73020 73728 76671 77888 80640 82944 85190 86016 87624 90720 92160 96768 97360 98577 102228 103680 107520 109530 110592 116832 120960 122880 127785 129024 131436 136304 138240 143360 145152 146040 153342 155776 161280 164295 165888 170380 172032 175248 181440 184320 193536 194720 197154 204456 207360 215040 219060 221184 230013 233664 241920 255570 258048 262872 272608 276480 286720 290304 292080 306684 311552 322560 328590 331776 340760 350496 362880 368640 383355 387072 389440 394308 408912 414720 430080 438120 460026 467328 483840 492885 511140 516096 525744 545216 552960 580608 584160 613368 623104 645120 657180 663552 681520 690039 700992 725760 766710 774144 778880 788616 817824 829440 860160 876240 920052 934656 967680 985770 1022280 1051488 1090432 1105920 1150065 1161216 1168320 1226736 1246208 1290240 1314360 1363040 1380078 1401984 1451520 1533420 1548288 1557760 1577232 1635648 1658880 1752480 1840104 1869312 1935360 1971540 2044560 2102976 2180864 2300130 2322432 2336640 2453472 2492416 2580480 2628720 2726080 2760156 2803968 2903040 3066840 3115520 3154464 3271296 3317760 3450195 3504960 3680208 3738624 3870720 3943080 4089120 4205952 4361728 4600260 4644864 4673280 4906944 4984832 5257440 5452160 5520312 5607936 5806080 6133680 6231040 6308928 6542592 6900390 7009920 7360416 7477248 7741440 7886160 8178240 8411904 8723456 9200520 9346560 9813888 9969664 10514880 10904320 11040624 11215872 11612160 12267360 12462080 12617856 13085184 13800780 14019840 14720832 14954496 15772320 16356480 16823808 17446912 18401040 18693120 19627776 21029760 21808640 22081248 22431744 23224320 24534720 24924160 25235712 26170368 27601560 28039680 29441664 29908992 31544640 32712960 33647616 34893824 36802080 37386240 39255552 42059520 43617280 44162496 44863488 49069440 49848320 50471424 52340736 55203120 56079360 58883328 63089280 65425920 67295232 69787648 73604160 74772480 78511104 84119040 87234560 88324992 89726976 98138880 100942848 104681472 110406240 112158720 117766656 126178560 130851840 134590464 147208320 149544960 157022208 168238080 174469120 176649984 196277760 201885696 209362944 220812480 224317440 235533312 252357120 261703680 269180928 294416640 314044416 336476160 348938240 353299968 392555520 403771392 441624960 448634880 471066624 504714240 523407360 588833280 628088832 672952320 706599936 785111040 807542784 883249920 942133248 1009428480 1046814720 1177666560 1345904640 1413199872 1570222080 1766499840 1884266496 2018856960 2355333120 2826399744 3140444160 3532999680 4037713920 4710666240 5652799488 7065999360 9421332480 14131998720 28263997440
• Sum of all divisors σ(n): 115895701152
• Sum of proper divisors (its aliquot sum) s(n): 87631703712
• 28263997440 is an abundant number, because the sum of its proper divisors (87631703712) is greater than itself. Its abundance is 59367706272

Bases of 28263997440

• Binary: 11010010100101010100110000000000000₂
• Hexadecimal: 0x694AA6000
• Base-36: CZFNK00

Squares and roots of 28263997440

• 28263997440 squared (28263997440²) is 798853551288326553600
• 28263997440 cubed (28263997440³) is 22578794728548170412834422784000
• The square root of 28263997440 is 168118.9978556857
• The cube root of 28263997440 is 3046.1026073179

Scales and comparisons

• 28,263,997,440 seconds is equal to 898 years, 36 weeks, 5 days, 14 hours, 24 minutes.
• To count from 1 to 28,263,997,440 would take you about one thousand, seven hundred ninety-seven 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 28263997440 cubic inches would be around 253.8 feet tall.

Recreational maths with 28263997440

• 28263997440 backwards is 04479936282
• 28263997440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28263997440's digits is 54
• More coming soon!