28689791328

Names of 28689791328

• Cardinal: 28689791328 can be written as Twenty-eight billion, six hundred eighty-nine million, seven hundred ninety-one thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 2.8689791328 × 10¹⁰

Factors of 28689791328

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 206

Divisors of 28689791328

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 17 18 22 24 27 32 33 34 36 41 44 48 51 54 61 66 68 71 72 82 88 96 99 102 108 122 123 132 136 142 144 153 164 176 183 187 198 204 213 216 244 246 264 272 284 288 297 306 328 352 366 369 374 396 408 426 432 451 459 488 492 528 544 549 561 568 594 612 639 656 671 697 732 738 748 781 792 816 852 864 902 918 976 984 1037 1056 1098 1107 1122 1136 1188 1207 1224 1278 1312 1342 1353 1394 1464 1476 1496 1562 1584 1632 1647 1683 1704 1804 1836 1917 1952 1968 2013 2074 2091 2196 2214 2244 2272 2343 2376 2414 2448 2501 2556 2684 2706 2788 2911 2928 2952 2992 3111 3124 3168 3294 3366 3408 3608 3621 3672 3834 3936 4026 4059 4148 4182 4331 4392 4428 4488 4686 4752 4828 4896 5002 5049 5112 5368 5412 5576 5822 5856 5904 5984 6039 6222 6248 6273 6588 6732 6816 7029 7216 7242 7344 7503 7667 7668 8052 8118 8296 8364 8662 8733 8784 8856 8976 9333 9372 9504 9656 10004 10098 10224 10736 10824 10863 11152 11407 11644 11808 12078 12177 12444 12496 12546 12993 13176 13277 13464 14058 14432 14484 14688 15006 15334 15336 16104 16236 16592 16728 17324 17466 17568 17712 17952 18117 18666 18744 18819 19312 20008 20196 20448 21087 21472 21648 21726 22304 22509 22814 23001 23288 24156 24354 24888 24992 25092 25986 26199 26352 26554 26928 27511 27999 28116 28968 30012 30668 30672 32021 32208 32472 32589 33184 33456 34221 34648 34932 35424 36234 37332 37488 37638 38624 38979 39831 40016 40392 42174 42517 43296 43452 45018 45628 46002 46576 47641 48312 48708 49487 49776 50184 51972 52398 52704 53108 53856 55022 55998 56232 57936 60024 61336 61344 64042 64416 64944 65178 66912 67527 68442 69003 69296 69864 72468 73627 74664 74976 75276 77958 78597 79662 80032 80784 82533 84348 85034 86904 90036 91256 92004 93152 95282 96063 96624 97416 98974 99552 100368 102663 103944 104796 106216 110044 111996 112464 115872 116937 119493 120048 122672 127551 128084 129888 130356 135054 136884 138006 138592 139728 142923 144936 147254 148461 149328 150552 155916 157194 159324 161568 165066 168696 170068 173808 177571 180072 182512 184008 190564 192126 193248 194832 197948 200736 205326 207009 207888 209592 212432 220088 220881 223992 224928 233874 238986 240096 245344 247599 255102 256168 260712 270108 273768 276012 279456 285846 288189 289872 294508 296922 298656 301104 307989 311832 314388 318648 330132 337392 340136 347616 355142 358479 360144 365024 368016 381128 382653 384252 389664 395896 410652 414018 415776 419184 424864 428769 440176 441762 445383 447984 467687 467748 477972 495198 510204 512336 521424 532713 540216 544357 547536 552024 571692 576378 579744 589016 593844 602208 615978 623664 628776 637296 660264 662643 674784 680272 710284 716958 720288 736032 742797 762256 765306 768504 791792 809897 821304 828036 838368 857538 864567 880352 883524 890766 895968 935374 935496 955944 990396 1020408 1024672 1042848 1065426 1080432 1088714 1095072 1104048 1143384 1147959 1152756 1178032 1187688 1231956 1247328 1257552 1274592 1286307 1320528 1325286 1336149 1360544 1403061 1420568 1433916 1485594 1524512 1530612 1537008 1583584 1598139 1619794 1633071 1642608 1656072 1715076 1729134 1767048 1781532 1870748 1870992 1911888 1953281 1980792 1987929 2040816 2130852 2160864 2177428 2208096 2286768 2295918 2305512 2356064 2375376 2429691 2463912 2515104 2572614 2641056 2650572 2672298 2806122 2841136 2867832 2971188 3018707 3061224 3074016 3196278 3239588 3266142 3285216 3312144 3430152 3458268 3534096 3563064 3741496 3741984 3823776 3906562 3961584 3975858 4081632 4209183 4261704 4354856 4573536 4591836 4611024 4750752 4794417 4859382 4899213 4927824 5145228 5301144 5344596 5612244 5682272 5735664 5859843 5942376 6037414 6122448 6392556 6479176 6532284 6624288 6860304 6916536 7068192 7126128 7289073 7482992 7813124 7923168 7951716 8418366 8523408 8709712 9056121 9183672 9222048 9588834 9718764 9798426 9855648 10290456 10602288 10689192 11224488 11471328 11719686 11884752 12074828 12244896 12627549 12785112 12958352 13064568 13720608 13833072 14252256 14578146 14697639 14965984 15626248 15903432 16836732 17046816 17419424 17579529 18112242 18367344 19177668 19437528 19596852 20580912 21204576 21378384 21867219 22448976 23439372 23769504 24149656 25255098 25570224 25916704 26129136 27168363 27666144 29156292 29395278 31252496 31806864 33205777 33673464 35159058 36224484 36734688 38355336 38875056 39193704 41161824 42756768 43734438 44897952 46878744 48299312 50510196 51140448 52258272 52738587 54336726 58312584 58790556 62504992 63613728 66411554 67346928 70318116 72448968 76710672 77750112 78387408 81505089 87468876 93757488 96598624 99617331 101020392 105477174 108673452 116625168 117581112 132823108 134693856 140636232 144897936 153421344 156774816 163010178 174937752 187514976 199234662 202040784 210954348 217346904 233250336 235162224 265646216 281272464 289795872 298851993 326020356 349875504 398469324 404081568 421908696 434693808 470324448 531292432 562544928 597703986 652040712 699751008 796938648 843817392 869387616 896555979 1062584864 1195407972 1304081424 1593877296 1687634784 1793111958 2390815944 2608162848 3187754592 3586223916 4781631888 7172447832 9563263776 14344895664 28689791328
• Sum of all divisors σ(n): 102053468160
• Sum of proper divisors (its aliquot sum) s(n): 73363676832
• 28689791328 is an abundant number, because the sum of its proper divisors (73363676832) is greater than itself. Its abundance is 44673885504

Bases of 28689791328

• Binary: 11010101110000010110111100101100000₂
• Hexadecimal: 0x6AE0B7960
• Base-36: D6H5SO0

Squares and roots of 28689791328

• 28689791328 squared (28689791328²) is 823104126444184003584
• 28689791328 cubed (28689791328³) is 23614685628899365702060564119552
• The square root of 28689791328 is 169380.6108384309
• The cube root of 28689791328 is 3061.3228267573

Scales and comparisons

• 28,689,791,328 seconds is equal to 912 years, 12 weeks, 5 days, 18 hours, 28 minutes, 48 seconds.
• To count from 1 to 28,689,791,328 would take you about one thousand, eight hundred twenty-four 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 28689791328 cubic inches would be around 255.1 feet tall.

Recreational maths with 28689791328

• 28689791328 backwards is 82319798682
• The number of decimal digits it has is: 11
• The sum of 28689791328's digits is 63
• More coming soon!