28347217920

Names of 28347217920

• Cardinal: 28347217920 can be written as Twenty-eight billion, three hundred forty-seven million, two hundred seventeen thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.834721792 × 10¹⁰

Factors of 28347217920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 265

Divisors of 28347217920

• Number of divisors d(n): 768
• 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 70 72 80 84 90 96 97 105 108 112 120 126 128 135 140 144 151 160 168 180 189 192 194 210 216 224 240 252 256 270 280 288 291 302 315 320 336 360 378 384 388 420 432 448 453 480 485 504 512 540 560 576 582 604 630 640 672 679 720 755 756 768 776 840 864 873 896 906 945 960 970 1008 1024 1057 1080 1120 1152 1164 1208 1260 1280 1344 1358 1359 1440 1455 1510 1512 1536 1552 1680 1728 1746 1792 1812 1890 1920 1940 2016 2037 2048 2114 2160 2240 2265 2304 2328 2416 2520 2560 2619 2688 2716 2718 2880 2910 3020 3024 3072 3104 3171 3360 3395 3456 3492 3584 3624 3780 3840 3880 4032 4074 4077 4228 4320 4365 4480 4530 4608 4656 4832 5040 5120 5238 5285 5376 5432 5436 5760 5820 6040 6048 6111 6144 6208 6342 6720 6790 6795 6912 6984 7168 7248 7560 7680 7760 8064 8148 8154 8456 8640 8730 8960 9060 9216 9312 9513 9664 10080 10185 10240 10476 10570 10752 10864 10872 11520 11640 12080 12096 12222 12416 12684 13095 13440 13580 13590 13824 13968 14336 14496 14647 15120 15360 15520 15855 16128 16296 16308 16912 17280 17460 17920 18120 18333 18432 18624 19026 19328 20160 20370 20385 20952 21140 21504 21728 21744 23040 23280 24160 24192 24444 24832 25368 26190 26880 27160 27180 27648 27936 28539 28992 29294 30240 30555 30720 31040 31710 32256 32592 32616 33824 34560 34920 35840 36240 36666 37248 38052 38656 40320 40740 40770 41904 42280 43008 43456 43488 43941 46080 46560 47565 48320 48384 48888 49664 50736 52380 53760 54320 54360 55296 55872 57078 57984 58588 60480 61110 62080 63420 64512 65184 65232 67648 69120 69840 71680 72480 73235 73332 74496 76104 77312 80640 81480 81540 83808 84560 86912 86976 87882 91665 92160 93120 95130 96640 96768 97776 99328 101472 102529 104760 107520 108640 108720 111744 114156 115968 117176 120960 122220 124160 126840 129024 130368 130464 131823 135296 138240 139680 142695 144960 146470 146664 148992 152208 154624 161280 162960 163080 167616 169120 173824 173952 175764 183330 186240 190260 193280 193536 195552 198656 202944 205058 209520 215040 217280 217440 219705 223488 228312 231936 234352 241920 244440 248320 253680 260736 260928 263646 270592 276480 279360 285390 289920 292940 293328 297984 304416 307587 309248 322560 325920 326160 335232 338240 347648 347904 351528 366660 372480 380520 386560 387072 391104 395469 405888 410116 419040 434560 434880 439410 446976 456624 463872 468704 483840 488880 496640 507360 512645 521472 521856 527292 541184 558720 570780 579840 585880 586656 595968 608832 615174 645120 651840 652320 659115 670464 676480 695296 695808 703056 733320 744960 761040 773120 782208 790938 811776 820232 838080 869120 869760 878820 893952 913248 922761 927744 937408 967680 977760 993280 1014720 1025290 1042944 1043712 1054584 1082368 1117440 1141560 1159680 1171760 1173312 1217664 1230348 1303680 1304640 1318230 1340928 1352960 1390592 1391616 1406112 1466640 1489920 1522080 1537935 1546240 1564416 1581876 1623552 1640464 1676160 1738240 1739520 1757640 1787904 1826496 1845522 1874816 1935360 1955520 1977345 2029440 2050580 2085888 2087424 2109168 2164736 2234880 2283120 2319360 2343520 2346624 2435328 2460696 2607360 2609280 2636460 2681856 2705920 2768283 2783232 2812224 2933280 2979840 3044160 3075870 3128832 3163752 3247104 3280928 3352320 3476480 3479040 3515280 3652992 3691044 3749632 3911040 3954690 4058880 4101160 4171776 4174848 4218336 4469760 4566240 4613805 4638720 4687040 4693248 4870656 4921392 5214720 5218560 5272920 5363712 5411840 5536566 5624448 5866560 6088320 6151740 6257664 6327504 6494208 6561856 6704640 6952960 6958080 7030560 7305984 7382088 7499264 7822080 7909380 8117760 8202320 8349696 8436672 8939520 9132480 9227610 9374080 9386496 9741312 9842784 10429440 10437120 10545840 10823680 11073132 11248896 11733120 12176640 12303480 12515328 12655008 13123712 13409280 13841415 13916160 14061120 14611968 14764176 14998528 15644160 15818760 16235520 16404640 16873344 18264960 18455220 18748160 18772992 19482624 19685568 20858880 20874240 21091680 22146264 22497792 23466240 24353280 24606960 25310016 26247424 26818560 27682830 28122240 29223936 29528352 29997056 31288320 31637520 32471040 32809280 33746688 36529920 36910440 37496320 37545984 39371136 41748480 42183360 44292528 44995584 46932480 48706560 49213920 50620032 52494848 55365660 56244480 58447872 59056704 62576640 63275040 65618560 67493376 73059840 73820880 74992640 78742272 84366720 88585056 89991168 93864960 97413120 98427840 101240064 104989696 110731320 112488960 118113408 126550080 131237120 134986752 146119680 147641760 149985280 157484544 168733440 177170112 187729920 196855680 202480128 209979392 221462640 224977920 236226816 253100160 262474240 269973504 292239360 295283520 314969088 337466880 354340224 393711360 404960256 442925280 449955840 472453632 506200320 524948480 590567040 629938176 674933760 708680448 787422720 809920512 885850560 944907264 1012400640 1049896960 1181134080 1349867520 1417360896 1574845440 1771701120 1889814528 2024801280 2362268160 2834721792 3149690880 3543402240 4049602560 4724536320 5669443584 7086804480 9449072640 14173608960 28347217920
• Sum of all divisors σ(n): 117118310400
• Sum of proper divisors (its aliquot sum) s(n): 88771092480
• 28347217920 is an abundant number, because the sum of its proper divisors (88771092480) is greater than itself. Its abundance is 60423874560

Bases of 28347217920

• Binary: 11010011001101000000011100000000000₂
• Hexadecimal: 0x699A03800
• Base-36: D0T79C0

Squares and roots of 28347217920

• 28347217920 squared (28347217920²) is 803564763803969126400
• 28347217920 cubed (28347217920³) is 22778825472384440987012825088000
• The square root of 28347217920 is 168366.3206226237
• The cube root of 28347217920 is 3049.0893248193

Scales and comparisons

• 28,347,217,920 seconds is equal to 901 years, 18 weeks, 2 days, 19 hours, 12 minutes.
• To count from 1 to 28,347,217,920 would take you about one thousand, eight hundred 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 28347217920 cubic inches would be around 254.1 feet tall.

Recreational maths with 28347217920

• 28347217920 backwards is 02971274382
• 28347217920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28347217920's digits is 45
• More coming soon!