28028000000

Names of 28028000000

• Cardinal: 28028000000 can be written as Twenty-eight billion, twenty-eight million.

Scientific notation

• Scientific notation: 2.8028 × 10¹⁰

Factors of 28028000000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 38

Divisors of 28028000000

• Number of divisors d(n): 756
• Complete list of divisors:
  1 2 4 5 7 8 10 11 13 14 16 20 22 25 26 28 32 35 40 44 49 50 52 55 56 64 65 70 77 80 88 91 98 100 104 110 112 125 128 130 140 143 154 160 175 176 182 196 200 208 220 224 245 250 256 260 275 280 286 308 320 325 350 352 364 385 392 400 416 440 448 455 490 500 520 539 550 560 572 616 625 637 640 650 700 704 715 728 770 784 800 832 875 880 896 910 980 1000 1001 1040 1078 1100 1120 1144 1225 1232 1250 1274 1280 1300 1375 1400 1408 1430 1456 1540 1568 1600 1625 1664 1750 1760 1792 1820 1925 1960 2000 2002 2080 2156 2200 2240 2275 2288 2450 2464 2500 2548 2600 2695 2750 2800 2816 2860 2912 3080 3125 3136 3185 3200 3250 3328 3500 3520 3575 3640 3850 3920 4000 4004 4160 4312 4375 4400 4480 4550 4576 4900 4928 5000 5005 5096 5200 5390 5500 5600 5720 5824 6125 6160 6250 6272 6370 6400 6500 6875 7000 7007 7040 7150 7280 7700 7840 8000 8008 8125 8320 8624 8750 8800 8960 9100 9152 9625 9800 9856 10000 10010 10192 10400 10780 11000 11200 11375 11440 11648 12250 12320 12500 12544 12740 13000 13475 13750 14000 14014 14080 14300 14560 15400 15625 15680 15925 16000 16016 16250 16640 17248 17500 17600 17875 18200 18304 19250 19600 19712 20000 20020 20384 20800 21560 21875 22000 22400 22750 22880 23296 24500 24640 25000 25025 25480 26000 26950 27500 28000 28028 28600 29120 30625 30800 31250 31360 31850 32000 32032 32500 34375 34496 35000 35035 35200 35750 36400 36608 38500 39200 40000 40040 40625 40768 41600 43120 43750 44000 44800 45500 45760 48125 49000 49280 50000 50050 50960 52000 53900 55000 56000 56056 56875 57200 58240 61250 61600 62500 62720 63700 64064 65000 67375 68750 68992 70000 70070 70400 71500 72800 77000 78400 79625 80000 80080 81250 81536 83200 86240 87500 88000 89375 91000 91520 96250 98000 98560 100000 100100 101920 104000 107800 109375 110000 112000 112112 113750 114400 116480 122500 123200 125000 125125 127400 128128 130000 134750 137500 137984 140000 140140 143000 145600 153125 154000 156800 159250 160000 160160 162500 163072 171875 172480 175000 175175 176000 178750 182000 183040 192500 196000 200000 200200 203125 203840 208000 215600 218750 220000 224000 224224 227500 228800 240625 245000 246400 250000 250250 254800 256256 260000 269500 275000 280000 280280 284375 286000 291200 306250 308000 313600 318500 320320 325000 336875 343750 344960 350000 350350 352000 357500 364000 385000 392000 398125 400000 400400 406250 407680 416000 431200 437500 440000 446875 448448 455000 457600 481250 490000 492800 500000 500500 509600 520000 539000 550000 560000 560560 568750 572000 582400 612500 616000 625625 637000 640640 650000 673750 687500 689920 700000 700700 715000 728000 765625 770000 784000 796250 800000 800800 812500 815360 862400 875000 875875 880000 893750 896896 910000 915200 962500 980000 1000000 1001000 1019200 1040000 1078000 1100000 1120000 1121120 1137500 1144000 1203125 1225000 1232000 1251250 1274000 1281280 1300000 1347500 1375000 1400000 1401400 1421875 1430000 1456000 1531250 1540000 1568000 1592500 1601600 1625000 1684375 1724800 1750000 1751750 1760000 1787500 1793792 1820000 1925000 1960000 1990625 2000000 2002000 2038400 2080000 2156000 2200000 2234375 2242240 2275000 2288000 2406250 2450000 2464000 2502500 2548000 2600000 2695000 2750000 2800000 2802800 2843750 2860000 2912000 3062500 3080000 3128125 3185000 3203200 3250000 3368750 3449600 3500000 3503500 3575000 3640000 3850000 3920000 3981250 4000000 4004000 4076800 4312000 4379375 4400000 4468750 4484480 4550000 4576000 4812500 4900000 5005000 5096000 5200000 5390000 5500000 5600000 5605600 5687500 5720000 6125000 6160000 6256250 6370000 6406400 6500000 6737500 7000000 7007000 7150000 7280000 7700000 7840000 7962500 8008000 8421875 8624000 8758750 8800000 8937500 8968960 9100000 9625000 9800000 9953125 10010000 10192000 10400000 10780000 11000000 11211200 11375000 11440000 12250000 12320000 12512500 12740000 13000000 13475000 14000000 14014000 14300000 14560000 15400000 15640625 15925000 16016000 16843750 17248000 17517500 17875000 18200000 19250000 19600000 19906250 20020000 20384000 21560000 21896875 22000000 22422400 22750000 22880000 24500000 25025000 25480000 26000000 26950000 28000000 28028000 28600000 30800000 31281250 31850000 32032000 33687500 35035000 35750000 36400000 38500000 39200000 39812500 40040000 43120000 43793750 44000000 44844800 45500000 49000000 50050000 50960000 52000000 53900000 56056000 57200000 61600000 62562500 63700000 67375000 70070000 71500000 72800000 77000000 79625000 80080000 86240000 87587500 91000000 98000000 100100000 101920000 107800000 109484375 112112000 114400000 125125000 127400000 134750000 140140000 143000000 154000000 159250000 160160000 175175000 182000000 196000000 200200000 215600000 218968750 224224000 250250000 254800000 269500000 280280000 286000000 308000000 318500000 350350000 364000000 400400000 431200000 437937500 500500000 509600000 539000000 560560000 572000000 637000000 700700000 800800000 875875000 1001000000 1078000000 1121120000 1274000000 1401400000 1751750000 2002000000 2156000000 2548000000 2802800000 3503500000 4004000000 5605600000 7007000000 14014000000 28028000000
• Sum of all divisors σ(n): 95571745416
• Sum of proper divisors (its aliquot sum) s(n): 67543745416
• 28028000000 is an abundant number, because the sum of its proper divisors (67543745416) is greater than itself. Its abundance is 39515745416

Bases of 28028000000

• Binary: 11010000110100110010101011100000000₂
• Hexadecimal: 0x686995700
• Base-36: CVJ5B7K

Squares and roots of 28028000000

• 28028000000 squared (28028000000²) is 785568784000000000000
• 28028000000 cubed (28028000000³) is 22017921877952000000000000000000
• The square root of 28028000000 is 167415.6504034195
• The cube root of 28028000000 is 3037.6008309881

Scales and comparisons

• 28,028,000,000 seconds is equal to 891 years, 10 weeks, 4 days, 3 hours, 33 minutes, 20 seconds.
• To count from 1 to 28,028,000,000 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 28028000000 cubic inches would be around 253.1 feet tall.

Recreational maths with 28028000000

• 28028000000 backwards is 00000082082
• 28028000000 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28028000000's digits is 20
• More coming soon!