28988406720
28,988,406,720 is an even composite number composed of six prime numbers multiplied together.
28988406720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred thirty-six divisors.
Prime factorization of 28988406720:
26 × 32 × 5 × 7 × 13 × 110609
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 × 13 × 110609)See below for interesting mathematical facts about the number 28988406720 from the Numbermatics database.
Names of 28988406720
- Cardinal: 28988406720 can be written as Twenty-eight billion, nine hundred eighty-eight million, four hundred six thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.898840672 × 1010
Factors of 28988406720
Divisors of 28988406720
- Number of divisors d(n): 336
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 28 30 32 35 36 39 40 42 45 48 52 56 60 63 64 65 70 72 78 80 84 90 91 96 104 105 112 117 120 126 130 140 144 156 160 168 180 182 192 195 208 210 224 234 240 252 260 273 280 288 312 315 320 336 360 364 390 416 420 448 455 468 480 504 520 546 560 576 585 624 630 672 720 728 780 819 832 840 910 936 960 1008 1040 1092 1120 1170 1248 1260 1344 1365 1440 1456 1560 1638 1680 1820 1872 2016 2080 2184 2240 2340 2496 2520 2730 2880 2912 3120 3276 3360 3640 3744 4032 4095 4160 4368 4680 5040 5460 5824 6240 6552 6720 7280 7488 8190 8736 9360 10080 10920 12480 13104 14560 16380 17472 18720 20160 21840 26208 29120 32760 37440 43680 52416 65520 87360 110609 131040 221218 262080 331827 442436 553045 663654 774263 884872 995481 1106090 1327308 1437917 1548526 1659135 1769744 1990962 2212180 2322789 2654616 2875834 3097052 3318270 3539488 3871315 3981924 4313751 4424360 4645578 4977405 5309232 5751668 6194104 6636540 6968367 7078976 7189585 7742630 7963848 8627502 8848720 9291156 9954810 10065419 10618464 11503336 11613945 12388208 12941253 13273080 13936734 14379170 15485260 15927696 17255004 17697440 18582312 19909620 20130838 21236928 21568755 23006672 23227890 24776416 25882506 26546160 27873468 28758340 30196257 30970520 31855392 34510008 34841835 35394880 37164624 39819240 40261676 43137510 46013344 46455780 49552832 50327095 51765012 53092320 55746936 57516680 60392514 61941040 63710784 64706265 69020016 69683670 74329248 79638480 80523352 86275020 90588771 92026688 92911560 100654190 103530024 106184640 111493872 115033360 120785028 123882080 129412530 138040032 139367340 148658496 150981285 159276960 161046704 172550040 181177542 185823120 201308380 207060048 222987744 230066720 241570056 247764160 258825060 276080064 278734680 301962570 318553920 322093408 345100080 362355084 371646240 402616760 414120096 445975488 452943855 460133440 483140112 517650120 557469360 603925140 644186816 690200160 724710168 743292480 805233520 828240192 905887710 966280224 1035300240 1114938720 1207850280 1380400320 1449420336 1610467040 1811775420 1932560448 2070600480 2229877440 2415700560 2898840672 3220934080 3623550840 4141200960 4831401120 5797681344 7247101680 9662802240 14494203360 28988406720
- Sum of all divisors σ(n): 122718697920
- Sum of proper divisors (its aliquot sum) s(n): 93730291200
- 28988406720 is an abundant number, because the sum of its proper divisors (93730291200) is greater than itself. Its abundance is 64741884480
Bases of 28988406720
- Binary: 110101111111101011111111011110000002
- Hexadecimal: 0x6BFD7FBC0
- Base-36: DBEY5S0
Squares and roots of 28988406720
- 28988406720 squared (289884067202) is 840327724164141158400
- 28988406720 cubed (289884067203) is 24359761846162095939191144448000
-
The
square root of 28988406720 is 170259.8212145191 -
The
cube root of 28988406720 is 3071.9073661847
Scales and comparisons
How big is 28988406720?- 28,988,406,720 seconds is equal to 921 years, 38 weeks, 3 days, 23 hours, 12 minutes.
-
To count from 1 to 28,988,406,720 would take you about one thousand, eight hundred forty-three 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 28988406720 cubic inches would be around 256 feet tall.
Recreational maths with 28988406720
- 28988406720 backwards is 02760488982
- The number of decimal digits it has is: 11
- The sum of 28988406720's digits is 54
- More coming soon!
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