28028278080

Names of 28028278080

• Cardinal: 28028278080 can be written as Twenty-eight billion, twenty-eight million, two hundred seventy-eight thousand and eighty.

Scientific notation

• Scientific notation: 2.802827808 × 10¹⁰

Factors of 28028278080

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 842

Divisors of 28028278080

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 17 18 20 22 24 30 32 33 34 36 40 44 45 48 51 55 60 64 66 68 71 72 80 85 88 90 96 99 102 110 120 132 136 142 144 153 160 165 170 176 180 187 192 198 204 213 220 240 255 264 272 284 288 306 320 330 340 352 355 360 374 396 408 426 440 480 495 510 528 544 561 568 576 612 639 660 680 704 710 720 733 748 765 781 792 816 852 880 935 960 990 1020 1056 1065 1088 1122 1136 1207 1224 1278 1320 1360 1420 1440 1466 1496 1530 1562 1584 1632 1683 1704 1760 1870 1980 2040 2112 2130 2199 2244 2272 2343 2414 2448 2556 2640 2720 2805 2840 2880 2932 2992 3060 3124 3168 3195 3264 3366 3408 3520 3621 3665 3740 3905 3960 4080 4260 4398 4488 4544 4686 4828 4896 5112 5280 5440 5610 5680 5864 5984 6035 6120 6248 6336 6390 6597 6732 6816 7029 7242 7330 7480 7810 7920 8063 8160 8415 8520 8796 8976 9372 9656 9792 10224 10560 10863 10995 11220 11360 11715 11728 11968 12070 12240 12461 12496 12780 13194 13277 13464 13632 14058 14484 14660 14960 15620 15840 16126 16320 16830 17040 17592 17952 18105 18744 19312 20448 21726 21990 22440 22720 23430 23456 24140 24189 24480 24922 24992 25560 26388 26554 26928 28116 28968 29320 29920 31240 31680 32252 32985 33660 34080 35145 35184 35904 36210 37383 37488 38624 39831 40315 40896 43452 43980 44880 46860 46912 48280 48378 48960 49844 49984 51120 52043 52776 53108 53856 54315 56232 57936 58640 59840 62305 62480 64504 65970 66385 67320 68160 70290 70368 72420 72567 74766 74976 77248 79662 80630 86904 87960 89760 93720 96560 96756 99688 102240 104086 105552 106216 107712 108630 112149 112464 115872 117280 119493 120945 124610 124960 129008 131940 132770 134640 137071 140580 140736 144840 145134 149532 149952 156129 159324 161260 173808 175920 179520 186915 187440 193120 193512 199155 199376 204480 208172 211104 212432 217260 224298 224928 231744 234560 238986 241890 249220 249920 258016 260215 263880 265540 269280 274142 281160 289680 290268 299064 312258 318648 322520 347616 351840 362835 373830 374880 386240 387024 398310 398752 411213 416344 422208 424864 434520 448596 449856 468387 477972 483780 498440 516032 520430 527760 531080 538560 548284 560745 562320 572473 579360 580536 597465 598128 624516 637296 645040 685355 695232 703680 725670 747660 749760 774048 780645 796620 797504 822426 832688 849728 869040 884731 897192 936774 955944 967560 996880 1040860 1055520 1062160 1096568 1121490 1124640 1144946 1158720 1161072 1194930 1196256 1233639 1249032 1274592 1290080 1370710 1451340 1495320 1548096 1561290 1593240 1644852 1665376 1717419 1738080 1769462 1794384 1873548 1911888 1935120 1993760 2056065 2081720 2111040 2124320 2193136 2242980 2249280 2289892 2322144 2341935 2389860 2392512 2467278 2498064 2549184 2580160 2654193 2741420 2862365 2902680 2990640 3122580 3186480 3289704 3330752 3434838 3476160 3538924 3588768 3747096 3823776 3870240 3987520 4112130 4163440 4248640 4386272 4423655 4485960 4579784 4644288 4683870 4779720 4934556 4996128 5152257 5308386 5482840 5724730 5805360 5981280 6168195 6245160 6372960 6579408 6869676 7077848 7177536 7494192 7647552 7740480 7962579 8224260 8326880 8587095 8772544 8847310 8971920 9159568 9367740 9559440 9732041 9869112 9992256 10304514 10616772 10965680 11449460 11610720 11962560 12336390 12490320 12745920 13158816 13270965 13739352 14155696 14988384 15925158 16448520 16653760 17174190 17694620 17943840 18319136 18735480 19118880 19464082 19738224 20609028 21233544 21931360 22898920 23221440 24672780 24980640 25761285 26317632 26541930 27478704 28311392 29196123 29976768 31850316 32897040 34348380 35389240 35887680 36638272 37470960 38237760 38928164 39476448 39812895 41218056 42467088 43862720 45797840 48660205 49345560 49961280 51522570 53083860 54957408 56622784 58392246 63700632 65794080 68696760 70778480 74941920 77856328 78952896 79625790 82436112 84934176 87588369 91595680 97320410 98691120 103045140 106167720 109914816 116784492 127401264 131588160 137393520 141556960 145980615 149883840 155712656 159251580 164872224 169868352 175176738 183191360 194640820 197382240 206090280 212335440 233568984 254802528 274787040 283113920 291961230 311425312 318503160 329744448 350353476 389281640 394764480 412180560 424670880 437941845 467137968 509605056 549574080 583922460 622850624 637006320 700706952 778563280 824361120 849341760 875883690 934275936 1167844920 1274012640 1401413904 1557126560 1648722240 1751767380 1868551872 2335689840 2548025280 2802827808 3114253120 3503534760 4671379680 5605655616 7007069520 9342759360 14014139040 28028278080
• Sum of all divisors σ(n): 113078654208
• Sum of proper divisors (its aliquot sum) s(n): 85050376128
• 28028278080 is an abundant number, because the sum of its proper divisors (85050376128) is greater than itself. Its abundance is 57022098048

Bases of 28028278080

• Binary: 11010000110100111011001010101000000₂
• Hexadecimal: 0x6869D9540
• Base-36: CVJB9S0

Squares and roots of 28028278080

• 28028278080 squared (28028278080²) is 785584372129808486400
• 28028278080 cubed (28028278080³) is 22018577237356474113963098112000
• The square root of 28028278080 is 167416.4809091385
• The cube root of 28028278080 is 3037.6108768143

Scales and comparisons

• 28,028,278,080 seconds is equal to 891 years, 11 weeks, 8 hours, 48 minutes.
• To count from 1 to 28,028,278,080 would take you about one thousand, seven hundred eighty-two 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 28028278080 cubic inches would be around 253.1 feet tall.

Recreational maths with 28028278080

• 28028278080 backwards is 08087282082
• 28028278080 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28028278080's digits is 45
• More coming soon!