28072851474720

Names of 28072851474720

• Cardinal: 28072851474720 can be written as Twenty-eight trillion, seventy-two billion, eight hundred fifty-one million, four hundred seventy-four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.807285147472 × 10¹³

Factors of 28072851474720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 80588

Divisors of 28072851474720

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 43 48 52 60 65 78 80 86 96 104 120 129 130 156 160 172 195 208 215 240 258 260 312 344 390 416 430 480 516 520 559 624 645 688 780 860 1032 1040 1118 1248 1290 1321 1376 1560 1677 1720 2064 2080 2236 2580 2642 2795 3120 3354 3440 3963 4128 4472 5160 5284 5590 6240 6605 6708 6880 7926 8385 8944 10320 10568 11180 13210 13416 15852 16770 17173 17888 19815 20640 21136 22360 26420 26832 31704 33540 34346 39630 42272 44720 51519 52840 53664 56803 63408 67080 68692 79201 79260 85865 89440 103038 105680 113606 126816 134160 137384 158402 158520 170409 171730 206076 211360 227212 237603 257595 268320 274768 284015 316804 317040 340818 343460 396005 412152 454424 475206 515190 549536 568030 633608 634080 681636 686920 738439 792010 824304 852045 908848 950412 1029613 1030380 1136060 1188015 1267216 1363272 1373840 1476878 1584020 1648608 1704090 1817696 1900824 2059226 2060760 2215317 2272120 2376030 2534432 2726544 2747680 2953756 3088839 3168040 3405643 3408180 3692195 3801648 4118452 4121520 4430634 4544240 4752060 5148065 5453088 5907512 6177678 6336080 6811286 6816360 7384390 7603296 8236904 8243040 8861268 9088480 9504120 10216929 10296130 11076585 11815024 12355356 12672160 13622572 13632720 14768780 15444195 16473808 17028215 17722536 19008240 20433858 20592260 22153170 23630048 24710712 27245144 27265440 29537560 30888390 32947616 34056430 35445072 38016480 40867716 41184520 44273359 44306340 49421424 51084645 54490288 59075120 61776780 68112860 70890144 81735432 82369040 88546718 88612680 98842848 102169290 104624521 108980576 118150240 123553560 132820077 136225720 163470864 164738080 177093436 177225360 204338580 209249042 221366795 247107120 265640154 272451440 313873563 326941728 354186872 354450720 408677160 418498084 442733590 494214240 523122605 531280308 544902880 627747126 664100385 708373744 817354320 836996168 885467180 1046245210 1062560616 1255494252 1328200770 1360118773 1416747488 1569367815 1634708640 1673992336 1770934360 2092490420 2125121232 2510988504 2656401540 2720237546 3138735630 3347984672 3541868720 4080356319 4184980840 4250242464 4498854403 5021977008 5312803080 5440475092 6277471260 6800593865 7083737440 8160712638 8369961680 8997708806 10043954016 10625606160 10880950184 12554942520 13496563209 13601187730 16321425276 16739923360 17995417612 20401781595 21251212320 21761900368 22494272015 25109885040 26993126418 27202375460 32642850552 35990835224 40803563190 43523800736 44988544030 50219770080 53986252836 54404750920 58485107239 65285701104 67482816045 71981670448 81607126380 89977088060 107972505672 108809501840 116970214478 130571402208 134965632090 143963340896 163214252760 175455321717 179954176120 215945011344 217619003680 233940428956 269931264180 292425536195 326428505520 350910643434 359908352240 431890022688 467880857912 539862528360 584851072390 652857011040 701821286868 719816704480 877276608585 935761715824 1079725056720 1169702144780 1403642573736 1754553217170 1871523431648 2159450113440 2339404289560 2807285147472 3509106434340 4678808579120 5614570294944 7018212868680 9357617158240 14036425737360 28072851474720
• Sum of all divisors σ(n): 97521440341248
• Sum of proper divisors (its aliquot sum) s(n): 69448588866528
• 28072851474720 is an abundant number, because the sum of its proper divisors (69448588866528) is greater than itself. Its abundance is 41375737391808

Bases of 28072851474720

• Binary: 110011000100000111000010101110000100100100000₂
• Hexadecimal: 0x198838570920
• Base-36: 9Y8HMY59C

Squares and roots of 28072851474720

• 28072851474720 squared (28072851474720²) is 788084989921688878799078400
• 28072851474720 cubed (28072851474720³) is 22123792871527779978507731404016898048000
• The square root of 28072851474720 is 5298381.9676123767
• The cube root of 28072851474720 is 30392.2026237587

Scales and comparisons

• 28,072,851,474,720 seconds is equal to 892,629 years, 43 weeks, 5 days, 10 hours, 32 minutes.
• To count from 1 to 28,072,851,474,720 would take you about two million, two hundred thirty-one thousand, five hundred seventy-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 28072851474720 cubic inches would be around 2532.7 feet tall.

Recreational maths with 28072851474720

• 28072851474720 backwards is 02747415827082
• The number of decimal digits it has is: 14
• The sum of 28072851474720's digits is 57
• More coming soon!