28307859840

Names of 28307859840

• Cardinal: 28307859840 can be written as Twenty-eight billion, three hundred seven million, eight hundred fifty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.830785984 × 10¹⁰

Factors of 28307859840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 340

Divisors of 28307859840

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 19 20 24 26 30 32 36 38 39 40 45 48 52 57 60 64 65 72 76 78 80 90 95 96 101 104 114 117 120 128 130 144 152 156 160 171 180 190 192 195 197 202 208 228 234 240 247 260 285 288 303 304 312 320 342 360 380 384 390 394 404 416 456 468 480 494 505 520 570 576 585 591 606 608 624 640 684 720 741 760 780 788 808 832 855 909 912 936 960 985 988 1010 1040 1140 1152 1170 1182 1212 1216 1235 1248 1313 1368 1440 1482 1515 1520 1560 1576 1616 1664 1710 1773 1818 1824 1872 1919 1920 1970 1976 2020 2080 2223 2280 2340 2364 2424 2432 2470 2496 2561 2626 2736 2880 2955 2964 3030 3040 3120 3152 3232 3420 3546 3636 3648 3705 3743 3744 3838 3939 3940 3952 4040 4160 4446 4545 4560 4680 4728 4848 4940 4992 5122 5252 5472 5757 5760 5910 5928 6060 6080 6240 6304 6464 6565 6840 7092 7272 7296 7410 7486 7488 7676 7683 7878 7880 7904 8080 8320 8865 8892 9090 9120 9360 9456 9595 9696 9880 10244 10504 10944 11115 11229 11514 11817 11820 11856 12120 12160 12480 12608 12805 12928 13130 13680 14184 14544 14820 14972 14976 15352 15366 15756 15760 15808 16160 17271 17730 17784 18180 18240 18715 18720 18912 19190 19392 19695 19760 19897 20488 21008 21888 22230 22458 23028 23049 23634 23640 23712 24240 24947 24960 25216 25610 26260 27360 28368 28785 29088 29640 29944 30704 30732 31512 31520 31616 32320 33687 34542 35460 35568 36360 36480 37430 37440 37824 38380 38415 38784 39390 39520 39794 40976 42016 44460 44916 46056 46098 47268 47280 47424 48480 48659 49894 51220 52520 54720 56145 56736 57570 58176 59085 59280 59691 59888 61408 61464 63024 63040 64640 67374 69084 70920 71136 72720 74841 74860 74880 75648 76760 76830 78780 79040 79588 81952 84032 86355 88920 89832 92112 92196 94536 94560 94848 96960 97318 99485 99788 102440 105040 109440 112290 113472 115140 115245 116352 118170 118560 119382 119776 122816 122928 124735 126048 126080 134748 138168 141840 142272 145440 145977 149682 149720 153520 153660 157560 158080 159176 163904 168064 168435 172710 177840 179073 179664 184224 184392 189072 189120 193920 194636 198970 199576 204880 210080 224523 224580 226944 230280 230490 236340 237120 238764 239552 243295 245632 245856 249470 252096 258661 269496 276336 283680 284544 290880 291954 298455 299364 299440 307040 307320 315120 318352 327808 336870 345420 355680 358146 359328 368448 368784 374205 378043 378144 378240 389272 397940 399152 409760 420160 437931 449046 449160 460560 460980 472680 474240 477528 479104 486590 491712 498940 504192 517322 538992 552672 567360 581760 583908 596910 598728 598880 614080 614640 630240 636704 673740 690840 711360 716292 718656 729885 736896 737568 748410 756086 756288 775983 778544 795880 798304 819520 840320 875862 895365 898092 898320 921120 921960 945360 955056 973180 983424 997880 1034644 1077984 1105344 1122615 1134129 1134720 1167816 1193820 1197456 1197760 1228160 1229280 1260480 1273408 1293305 1347480 1381680 1422720 1432584 1437312 1459770 1475136 1496820 1512172 1512576 1551966 1557088 1591760 1596608 1639040 1751724 1790730 1796184 1796640 1842240 1843920 1890215 1890720 1910112 1946360 1995760 2069288 2155968 2189655 2210688 2245230 2268258 2327949 2335632 2387640 2394912 2395520 2458560 2520960 2546816 2586610 2694960 2763360 2865168 2919540 2950272 2993640 3024344 3103932 3114176 3183520 3193216 3402387 3503448 3581460 3592368 3593280 3684480 3687840 3780430 3781440 3820224 3879915 3892720 3991520 4138576 4311936 4379310 4490460 4536516 4655898 4671264 4775280 4789824 4914559 4917120 5173220 5389920 5526720 5670645 5730336 5839080 5987280 6048688 6207864 6228352 6367040 6804774 7006896 7162920 7184736 7186560 7375680 7560860 7562880 7640448 7759830 7785440 7983040 8277152 8758620 8980920 9073032 9311796 9342528 9550560 9579648 9829118 10346440 10779840 11053440 11341290 11460672 11639745 11678160 11974560 12097376 12415728 12734080 13609548 14013792 14325840 14369472 14743677 14751360 15121720 15519660 15570880 15966080 16554304 17011935 17517240 17961840 18146064 18623592 18685056 19101120 19658236 20692880 21559680 22682580 22921344 23279490 23356320 23949120 24194752 24572795 24831456 27219096 28027584 28651680 28738944 29487354 30243440 31039320 31141760 33108608 34023870 35034480 35923680 36292128 37247184 38202240 39316472 41385760 44231031 45365160 46558980 46712640 47898240 48389504 49145590 49662912 54438192 56055168 57303360 58974708 60486880 62078640 68047740 70068960 71847360 72584256 73718385 74494368 78632944 82771520 88462062 90730320 93117960 93425280 98291180 99325824 108876384 114606720 117949416 120973760 124157280 136095480 140137920 143694720 145168512 147436770 148988736 157265888 165543040 176924124 181460640 186235920 196582360 217752768 221155155 235898832 241947520 248314560 272190960 280275840 294873540 297977472 314531776 353848248 362921280 372471840 393164720 435505536 442310310 471797664 496629120 544381920 589747080 629063552 707696496 725842560 744943680 786329440 884620620 943595328 1088763840 1179494160 1415392992 1489887360 1572658880 1769241240 1887190656 2177527680 2358988320 2830785984 3145317760 3538482480 4717976640 5661571968 7076964960 9435953280 14153929920 28307859840
• Sum of all divisors σ(n): 112475563200
• Sum of proper divisors (its aliquot sum) s(n): 84167703360
• 28307859840 is an abundant number, because the sum of its proper divisors (84167703360) is greater than itself. Its abundance is 55859843520

Bases of 28307859840

• Binary: 11010010111010001111010100110000000₂
• Hexadecimal: 0x69747A980
• Base-36: D05ROG0

Squares and roots of 28307859840

• 28307859840 squared (28307859840²) is 801334928721084825600
• 28307859840 cubed (28307859840³) is 22684076847132859695835643904000
• The square root of 28307859840 is 168249.3977403783
• The cube root of 28307859840 is 3047.6775239053

Scales and comparisons

• 28,307,859,840 seconds is equal to 900 years, 5 weeks, 2 days, 6 hours, 24 minutes.
• To count from 1 to 28,307,859,840 would take you about one thousand, eight hundred 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 28307859840 cubic inches would be around 254 feet tall.

Recreational maths with 28307859840

• 28307859840 backwards is 04895870382
• The number of decimal digits it has is: 11
• The sum of 28307859840's digits is 54
• More coming soon!