28168328160

Names of 28168328160

• Cardinal: 28168328160 can be written as Twenty-eight billion, one hundred sixty-eight million, three hundred twenty-eight thousand, one hundred sixty.

Scientific notation

• Scientific notation: 2.816832816 × 10¹⁰

Factors of 28168328160

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1078

Divisors of 28168328160

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 17 18 20 21 23 24 28 30 32 34 35 36 40 42 45 46 48 49 51 56 60 63 68 69 70 72 80 84 85 90 92 96 98 102 105 112 115 119 120 126 136 138 140 144 147 153 160 161 168 170 180 184 196 204 207 210 224 230 238 240 245 252 255 272 276 280 288 294 306 315 322 336 340 345 357 360 368 391 392 408 414 420 441 460 476 480 483 490 504 510 544 552 560 588 595 612 630 644 672 680 690 714 720 735 736 765 782 784 805 816 828 833 840 882 920 952 966 980 1008 1020 1021 1035 1071 1104 1120 1127 1173 1176 1190 1224 1260 1288 1360 1380 1428 1440 1449 1470 1530 1564 1568 1610 1632 1656 1666 1680 1764 1785 1840 1904 1932 1955 1960 2016 2040 2042 2070 2142 2205 2208 2254 2346 2352 2380 2415 2448 2499 2520 2576 2720 2737 2760 2856 2898 2940 3060 3063 3128 3220 3312 3332 3360 3381 3519 3528 3570 3680 3808 3864 3910 3920 4080 4084 4140 4165 4284 4410 4508 4692 4704 4760 4830 4896 4998 5040 5105 5152 5355 5474 5520 5635 5712 5796 5865 5880 6120 6126 6256 6440 6624 6664 6762 7038 7056 7140 7147 7245 7497 7728 7820 7840 8160 8168 8211 8280 8330 8568 8820 9016 9189 9384 9520 9660 9996 10080 10143 10210 10710 10948 11040 11270 11424 11592 11730 11760 12240 12252 12495 12512 12880 13328 13524 13685 14076 14112 14280 14294 14490 14994 15315 15456 15640 16336 16422 16560 16660 16905 17136 17357 17595 17640 18032 18378 18768 19040 19159 19320 19992 20286 20420 21420 21441 21896 22540 23184 23460 23483 23520 24480 24504 24633 24990 25760 26656 27048 27370 28152 28560 28588 28980 29988 30630 31280 32672 32844 33120 33320 33810 34272 34714 35190 35280 35735 36064 36756 37485 37536 38318 38640 39984 40572 40840 41055 42840 42882 43792 45080 45945 46368 46920 46966 49008 49266 49980 50029 50715 52071 54096 54740 56304 57120 57176 57477 57960 59976 61260 62560 64323 65688 66640 67620 69428 70380 70449 70560 71470 73512 74970 76636 77280 79968 81144 81680 82110 85680 85764 86785 87584 90160 91890 93840 93932 95795 98016 98532 99960 100058 101430 104142 107205 108192 109480 112608 114352 114954 115920 117415 119952 121499 122520 123165 128646 131376 133280 135240 138856 140760 140898 142940 147024 149940 150087 153272 156213 162288 163360 164220 164381 171360 171528 172431 173570 180320 183780 187680 187864 191590 197064 199920 200116 202860 208284 211347 214410 218960 228704 229908 231840 234830 239904 242998 245040 246330 250145 257292 260355 262752 270480 277712 281520 281796 285880 287385 294048 299880 300174 306544 312426 321615 324576 328440 328762 343056 344862 347140 352245 364497 367560 375728 383180 394128 399211 399840 400232 405720 416568 422694 428820 437920 450261 459816 469660 485996 490080 492660 493143 500290 514584 520710 540960 555424 563040 563592 571760 574770 599760 600348 607495 613088 624852 643230 656880 657524 686112 689724 694280 704490 728994 735120 750435 751456 766360 781065 788256 798422 800464 811440 821905 833136 845388 850493 857640 862155 900522 919632 939320 971992 985320 986286 1000580 1029168 1041420 1056735 1093491 1127184 1143520 1149540 1150667 1197633 1199520 1200696 1214990 1249704 1286460 1313760 1315048 1379448 1388560 1408980 1457988 1470240 1479429 1500870 1532720 1562130 1596844 1600928 1622880 1643810 1666272 1690776 1700986 1715280 1724310 1801044 1822485 1839264 1878640 1943984 1970640 1972572 1996055 2001160 2058336 2082840 2113470 2186982 2251305 2254368 2299080 2301334 2395266 2401392 2429980 2465715 2499408 2551479 2572920 2630096 2758896 2777120 2794477 2817960 2915976 2958858 3001740 3065440 3124260 3193688 3287620 3381552 3401972 3430560 3448620 3452001 3592899 3602088 3644970 3757280 3887968 3941280 3945144 3992110 4002320 4165680 4226940 4252465 4373964 4502610 4598160 4602668 4790532 4802784 4859960 4931430 4998816 5102958 5145840 5260192 5467455 5517792 5588954 5635920 5753335 5831952 5917716 5988165 6003480 6248520 6387376 6575240 6763104 6803944 6897240 6904002 7185798 7204176 7289940 7397145 7654437 7890288 7984220 8004640 8331360 8383431 8453880 8504930 8747928 9005220 9196320 9205336 9581064 9719920 9862860 10205916 10291680 10356003 10934910 11177908 11271840 11506670 11663904 11835432 11976330 12006960 12497040 12757395 12774752 13150480 13607888 13794480 13808004 13972385 14371596 14408352 14579880 14794290 15308874 15780576 15968440 16766862 16907760 17009860 17260005 17495856 17964495 18010440 18410672 19162128 19439840 19561339 19725720 20411832 20712006 21869820 22355816 23013340 23670864 23952660 24013920 24994080 25150293 25514790 26300960 27215776 27588960 27616008 27944770 28743192 29159760 29588580 30617748 31936880 33533724 33815520 34019720 34520010 34991712 35928990 36020880 36821344 38272185 38324256 39122678 39451440 40823664 41424012 41917155 43739640 44711632 46026680 47341728 47905320 50300586 51029580 51780015 55232016 55889540 57486384 58319520 58684017 59177160 61235496 63873760 67067448 68039440 69040020 71857980 72041760 76544370 78245356 78902880 81647328 82848024 83834310 87479280 89423264 92053360 95810640 97806695 100601172 102059160 103560030 110464032 111779080 114972768 117368034 118354320 122470992 125751465 134134896 136078880 138080040 143715960 153088740 156490712 165696048 167668620 174958560 176052051 184106720 191621280 195613390 201202344 204118320 207120060 223558160 234736068 236708640 244941984 251502930 268269792 276160080 287431920 293420085 306177480 312981424 331392096 335337240 352104102 391226780 402404688 408236640 414240120 447116320 469472136 503005860 552320160 574863840 586840170 612354960 625962848 670674480 704208204 782453560 804809376 828480240 880260255 938944272 1006011720 1173680340 1224709920 1341348960 1408416408 1564907120 1656960480 1760520510 1877888544 2012023440 2347360680 2816832816 3129814240 3521041020 4024046880 4694721360 5633665632 7042082040 9389442720 14084164080 28168328160
• Sum of all divisors σ(n): 123664387392
• Sum of proper divisors (its aliquot sum) s(n): 95496059232
• 28168328160 is an abundant number, because the sum of its proper divisors (95496059232) is greater than itself. Its abundance is 67327731072

Bases of 28168328160

• Binary: 11010001110111101101001001111100000₂
• Hexadecimal: 0x68EF693E0
• Base-36: CXUP140

Squares and roots of 28168328160

• 28168328160 squared (28168328160²) is 793454711329448985600
• 28168328160 cubed (28168328160³) is 22350292688825988898359914496000
• The square root of 28168328160 is 167834.2282134367
• The cube root of 28168328160 is 3042.6618594695

Scales and comparisons

• 28,168,328,160 seconds is equal to 895 years, 34 weeks, 4 days, 7 hours, 36 minutes.
• To count from 1 to 28,168,328,160 would take you about one thousand, seven hundred ninety-one 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 28168328160 cubic inches would be around 253.6 feet tall.

Recreational maths with 28168328160

• 28168328160 backwards is 06182386182
• 28168328160 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28168328160's digits is 45
• More coming soon!