28008529920

Names of 28008529920

• Cardinal: 28008529920 can be written as Twenty-eight billion, eight million, five hundred twenty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.800852992 × 10¹⁰

Factors of 28008529920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 23
• Sum of prime factors: 84

Divisors of 28008529920

• Number of divisors d(n): 840
• 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 67 70 72 80 81 84 90 96 105 108 112 120 126 128 134 135 140 144 160 162 168 180 189 192 201 210 216 224 240 243 252 256 268 270 280 288 315 320 324 335 336 360 378 384 402 405 420 432 448 469 480 486 504 512 536 540 560 567 576 603 630 640 648 670 672 720 729 756 768 804 810 840 864 896 938 945 960 972 1005 1008 1024 1072 1080 1120 1134 1152 1206 1215 1260 1280 1296 1340 1344 1407 1440 1458 1512 1536 1608 1620 1680 1701 1728 1792 1809 1876 1890 1920 1944 2010 2016 2048 2144 2160 2240 2268 2304 2345 2412 2430 2520 2560 2592 2680 2688 2814 2835 2880 2916 3015 3024 3072 3216 3240 3360 3402 3456 3584 3618 3645 3752 3780 3840 3888 4020 4032 4096 4221 4288 4320 4480 4536 4608 4690 4824 4860 5040 5103 5120 5184 5360 5376 5427 5628 5670 5760 5832 6030 6048 6144 6432 6480 6720 6804 6912 7035 7168 7236 7290 7504 7560 7680 7776 8040 8064 8192 8442 8505 8576 8640 8960 9045 9072 9216 9380 9648 9720 10080 10206 10240 10368 10720 10752 10854 11256 11340 11520 11664 12060 12096 12288 12663 12864 12960 13440 13608 13824 14070 14336 14472 14580 15008 15120 15360 15552 16080 16128 16281 16384 16884 17010 17152 17280 17920 18090 18144 18432 18760 19296 19440 20160 20412 20480 20736 21105 21440 21504 21708 22512 22680 23040 23328 24120 24192 24576 25326 25515 25728 25920 26880 27135 27216 27648 28140 28672 28944 29160 30016 30240 30720 31104 32160 32256 32562 33768 34020 34304 34560 35840 36180 36288 36864 37520 37989 38592 38880 40320 40824 40960 41472 42210 42880 43008 43416 45024 45360 46080 46656 48240 48384 48843 49152 50652 51030 51456 51840 53760 54270 54432 55296 56280 57344 57888 58320 60032 60480 61440 62208 63315 64320 64512 65124 67536 68040 68608 69120 71680 72360 72576 73728 75040 75978 77184 77760 80640 81405 81648 81920 82944 84420 85760 86016 86832 90048 90720 92160 93312 96480 96768 97686 101304 102060 102912 103680 107520 108540 108864 110592 112560 113967 114688 115776 116640 120064 120960 122880 124416 126630 128640 129024 130248 135072 136080 137216 138240 143360 144720 145152 147456 150080 151956 154368 155520 161280 162810 163296 165888 168840 171520 172032 173664 180096 181440 184320 186624 189945 192960 193536 195372 202608 204120 205824 207360 215040 217080 217728 221184 225120 227934 231552 233280 240128 241920 244215 245760 248832 253260 257280 258048 260496 270144 272160 274432 276480 286720 289440 290304 300160 303912 308736 311040 322560 325620 326592 331776 337680 341901 343040 344064 347328 360192 362880 368640 373248 379890 385920 387072 390744 405216 408240 411648 414720 430080 434160 435456 442368 450240 455868 463104 466560 480256 483840 488430 497664 506520 514560 516096 520992 540288 544320 548864 552960 569835 573440 578880 580608 600320 607824 617472 622080 645120 651240 653184 663552 675360 683802 686080 694656 720384 725760 737280 746496 759780 771840 774144 781488 810432 816480 823296 829440 860160 868320 870912 900480 911736 926208 933120 960512 967680 976860 995328 1013040 1029120 1032192 1041984 1080576 1088640 1097728 1105920 1139670 1157760 1161216 1200640 1215648 1234944 1244160 1290240 1302480 1306368 1327104 1350720 1367604 1372160 1389312 1440768 1451520 1492992 1519560 1543680 1548288 1562976 1620864 1632960 1646592 1658880 1709505 1720320 1736640 1741824 1800960 1823472 1852416 1866240 1921024 1935360 1953720 1990656 2026080 2058240 2083968 2161152 2177280 2211840 2279340 2315520 2322432 2401280 2431296 2469888 2488320 2580480 2604960 2612736 2701440 2735208 2744320 2778624 2881536 2903040 2985984 3039120 3087360 3096576 3125952 3241728 3265920 3293184 3317760 3419010 3473280 3483648 3601920 3646944 3704832 3732480 3842048 3870720 3907440 3981312 4052160 4116480 4167936 4322304 4354560 4558680 4631040 4644864 4802560 4862592 4939776 4976640 5160960 5209920 5225472 5402880 5470416 5488640 5557248 5763072 5806080 5971968 6078240 6174720 6251904 6483456 6531840 6635520 6838020 6946560 6967296 7203840 7293888 7409664 7464960 7684096 7741440 7814880 8104320 8232960 8335872 8644608 8709120 9117360 9262080 9289728 9605120 9725184 9879552 9953280 10419840 10450944 10805760 10940832 11114496 11526144 11612160 11943936 12156480 12349440 12503808 12966912 13063680 13676040 13893120 13934592 14407680 14587776 14819328 14929920 15482880 15629760 16208640 16465920 16671744 17289216 17418240 18234720 18524160 19210240 19450368 19906560 20839680 20901888 21611520 21881664 22228992 23052288 23224320 24312960 24698880 25007616 25933824 26127360 27352080 27786240 27869184 28815360 29175552 29638656 29859840 31259520 32417280 33343488 34578432 34836480 36469440 37048320 38420480 38900736 41679360 41803776 43223040 43763328 44457984 46448640 48625920 49397760 50015232 51867648 52254720 54704160 55572480 57630720 58351104 59719680 62519040 64834560 66686976 69156864 69672960 72938880 74096640 77801472 83358720 83607552 86446080 87526656 88915968 97251840 100030464 103735296 104509440 109408320 111144960 115261440 116702208 125038080 129669120 133373952 139345920 145877760 148193280 155602944 166717440 172892160 175053312 194503680 200060928 207470592 209018880 218816640 222289920 233404416 250076160 259338240 266747904 291755520 311205888 333434880 345784320 350106624 389007360 400121856 418037760 437633280 444579840 466808832 500152320 518676480 583511040 622411776 666869760 700213248 778014720 800243712 875266560 933617664 1000304640 1037352960 1167022080 1333739520 1400426496 1556029440 1750533120 1867235328 2000609280 2334044160 2800852992 3112058880 3501066240 4001218560 4668088320 5601705984 7002132480 9336176640 14004264960 28008529920
• Sum of all divisors σ(n): 116897976384
• Sum of proper divisors (its aliquot sum) s(n): 88889446464
• 28008529920 is an abundant number, because the sum of its proper divisors (88889446464) is greater than itself. Its abundance is 60880916544

Bases of 28008529920

• Binary: 11010000101011100000100000000000000₂
• Hexadecimal: 0x685704000
• Base-36: CV7K000

Squares and roots of 28008529920

• 28008529920 squared (28008529920²) is 784477748279535206400
• 28008529920 cubed (28008529920³) is 21972068484261590352147775488000
• The square root of 28008529920 is 167357.4913769923
• The cube root of 28008529920 is 3036.8972960567

Scales and comparisons

• 28,008,529,920 seconds is equal to 890 years, 30 weeks, 2 days, 19 hours, 12 minutes.
• To count from 1 to 28,008,529,920 would take you about one thousand, seven hundred eighty-one 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 28008529920 cubic inches would be around 253.1 feet tall.

Recreational maths with 28008529920

• 28008529920 backwards is 02992580082
• 28008529920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28008529920's digits is 45
• More coming soon!