990780000000

Names of 990780000000

• Cardinal: 990780000000 can be written as Nine hundred ninety billion, seven hundred eighty million.

Scientific notation

• Scientific notation: 9.9078 × 10¹¹

Factors of 990780000000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 354

Divisors of 990780000000

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 32 35 40 42 48 49 50 56 60 64 70 75 80 84 96 98 100 105 112 120 125 128 140 147 150 160 168 175 192 196 200 210 224 240 245 250 256 280 294 300 320 336 337 350 375 384 392 400 420 448 480 490 500 525 560 588 600 625 640 672 674 700 735 750 768 784 800 840 875 896 960 980 1000 1011 1050 1120 1176 1200 1225 1250 1280 1344 1348 1400 1470 1500 1568 1600 1680 1685 1750 1792 1875 1920 1960 2000 2022 2100 2240 2352 2359 2400 2450 2500 2625 2688 2696 2800 2940 3000 3125 3136 3200 3360 3370 3500 3675 3750 3840 3920 4000 4044 4200 4375 4480 4704 4718 4800 4900 5000 5055 5250 5376 5392 5600 5880 6000 6125 6250 6272 6400 6720 6740 7000 7077 7350 7500 7840 8000 8088 8400 8425 8750 8960 9375 9408 9436 9600 9800 10000 10110 10500 10784 11200 11760 11795 12000 12250 12500 12544 13125 13440 13480 14000 14154 14700 15000 15625 15680 16000 16176 16513 16800 16850 17500 18375 18750 18816 18872 19200 19600 20000 20220 21000 21568 21875 22400 23520 23590 24000 24500 25000 25275 26250 26880 26960 28000 28308 29400 30000 30625 31250 31360 32000 32352 33026 33600 33700 35000 35385 36750 37500 37632 37744 39200 40000 40440 42000 42125 43136 43750 44800 46875 47040 47180 48000 49000 49539 50000 50550 52500 53920 56000 56616 58800 58975 60000 61250 62500 62720 64704 65625 66052 67200 67400 70000 70770 73500 75000 75488 78125 78400 80000 80880 82565 84000 84250 86272 87500 91875 93750 94080 94360 96000 98000 99078 100000 101100 105000 107840 109375 112000 113232 117600 117950 120000 122500 125000 126375 129408 131250 132104 134400 134800 140000 141540 147000 150000 150976 153125 156250 156800 160000 161760 165130 168000 168500 175000 176925 183750 187500 188160 188720 196000 198156 200000 202200 210000 210625 215680 218750 224000 226464 234375 235200 235900 240000 245000 247695 250000 252750 258816 262500 264208 269600 280000 283080 294000 294875 300000 301952 306250 312500 313600 323520 328125 330260 336000 337000 350000 353850 367500 375000 377440 392000 396312 400000 404400 412825 420000 421250 431360 437500 452928 459375 468750 470400 471800 480000 490000 495390 500000 505500 525000 528416 539200 546875 560000 566160 588000 589750 600000 603904 612500 625000 631875 647040 656250 660520 672000 674000 700000 707700 735000 750000 754880 765625 784000 792624 800000 808800 825650 840000 842500 875000 884625 905856 918750 937500 940800 943600 980000 990780 1000000 1011000 1050000 1053125 1056832 1078400 1093750 1120000 1132320 1176000 1179500 1200000 1225000 1238475 1250000 1263750 1294080 1312500 1321040 1348000 1400000 1415400 1470000 1474375 1500000 1509760 1531250 1568000 1585248 1617600 1640625 1651300 1680000 1685000 1750000 1769250 1811712 1837500 1875000 1887200 1960000 1981560 2000000 2022000 2064125 2100000 2106250 2113664 2156800 2187500 2264640 2296875 2352000 2359000 2400000 2450000 2476950 2500000 2527500 2625000 2642080 2696000 2800000 2830800 2940000 2948750 3000000 3019520 3062500 3159375 3170496 3235200 3281250 3302600 3360000 3370000 3500000 3538500 3675000 3750000 3774400 3828125 3920000 3963120 4000000 4044000 4128250 4200000 4212500 4227328 4375000 4423125 4529280 4593750 4704000 4718000 4900000 4953900 5000000 5055000 5250000 5265625 5284160 5392000 5600000 5661600 5880000 5897500 6000000 6125000 6192375 6318750 6340992 6470400 6562500 6605200 6740000 7000000 7077000 7350000 7371875 7500000 7548800 7656250 7840000 7926240 8088000 8256500 8400000 8425000 8750000 8846250 9058560 9187500 9436000 9800000 9907800 10000000 10110000 10320625 10500000 10531250 10568320 10784000 11323200 11484375 11760000 11795000 12000000 12250000 12384750 12637500 12681984 13125000 13210400 13480000 14000000 14154000 14700000 14743750 15000000 15097600 15312500 15796875 15852480 16176000 16513000 16800000 16850000 17500000 17692500 18375000 18872000 19600000 19815600 20000000 20220000 20641250 21000000 21062500 21136640 22115625 22646400 22968750 23520000 23590000 24500000 24769500 25275000 26250000 26328125 26420800 26960000 28000000 28308000 29400000 29487500 30000000 30625000 30961875 31593750 31704960 32352000 33026000 33700000 35000000 35385000 36750000 36859375 37744000 39200000 39631200 40440000 41282500 42000000 42125000 44231250 45292800 45937500 47180000 49000000 49539000 50550000 51603125 52500000 52656250 52841600 53920000 56616000 58800000 58975000 60000000 61250000 61923750 63187500 63409920 66052000 67400000 70000000 70770000 73500000 73718750 75488000 78984375 79262400 80880000 82565000 84000000 84250000 88462500 91875000 94360000 98000000 99078000 101100000 103206250 105000000 105312500 105683200 110578125 113232000 117600000 117950000 122500000 123847500 126375000 132104000 134800000 140000000 141540000 147000000 147437500 154809375 157968750 158524800 161760000 165130000 168500000 176925000 183750000 184296875 188720000 196000000 198156000 202200000 206412500 210000000 210625000 221156250 226464000 235900000 245000000 247695000 252750000 258015625 264208000 269600000 283080000 294000000 294875000 309618750 315937500 317049600 330260000 337000000 353850000 367500000 368593750 377440000 396312000 404400000 412825000 420000000 421250000 442312500 471800000 490000000 495390000 505500000 516031250 528416000 552890625 566160000 588000000 589750000 619237500 631875000 660520000 674000000 707700000 735000000 737187500 774046875 792624000 808800000 825650000 842500000 884625000 943600000 980000000 990780000 1011000000 1032062500 1105781250 1132320000 1179500000 1238475000 1263750000 1290078125 1321040000 1348000000 1415400000 1470000000 1474375000 1548093750 1585248000 1651300000 1685000000 1769250000 1887200000 1981560000 2022000000 2064125000 2211562500 2359000000 2476950000 2527500000 2580156250 2642080000 2830800000 2940000000 2948750000 3096187500 3302600000 3370000000 3538500000 3870234375 3963120000 4044000000 4128250000 4423125000 4718000000 4953900000 5055000000 5160312500 5661600000 5897500000 6192375000 6605200000 6740000000 7077000000 7740468750 7926240000 8256500000 8846250000 9436000000 9907800000 10110000000 10320625000 11795000000 12384750000 13210400000 14154000000 15480937500 16513000000 17692500000 19815600000 20220000000 20641250000 23590000000 24769500000 28308000000 30961875000 33026000000 35385000000 39631200000 41282500000 47180000000 49539000000 61923750000 66052000000 70770000000 82565000000 99078000000 123847500000 141540000000 165130000000 198156000000 247695000000 330260000000 495390000000 990780000000
• Sum of all divisors σ(n): 3845664373824
• Sum of proper divisors (its aliquot sum) s(n): 2854884373824
• 990780000000 is an abundant number, because the sum of its proper divisors (2854884373824) is greater than itself. Its abundance is 1864104373824

Bases of 990780000000

• Binary: 1110011010101111000101110000011100000000₂
• Hexadecimal: 0xE6AF170700
• Base-36: CN5OTWQO

Squares and roots of 990780000000

• 990780000000 squared (990780000000²) is 981645008400000000000000
• 990780000000 cubed (990780000000³) is 972594241422552000000000000000000000
• The square root of 990780000000 is 995379.3246797927
• The cube root of 990780000000 is 9969.1717260817

Scales and comparisons

• 990,780,000,000 seconds is equal to 31,503 years, 38 weeks, 3 days, 2 hours, 40 minutes.
• To count from 1 to 990,780,000,000 would take you about sixty-three thousand and seven 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 990780000000 cubic inches would be around 830.8 feet tall.

Recreational maths with 990780000000

• 990780000000 backwards is 000000087099
• The number of decimal digits it has is: 12
• The sum of 990780000000's digits is 33
• More coming soon!