128138732800
128,138,732,800 is an even composite number composed of six prime numbers multiplied together.
128138732800 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred thirty-two divisors.
Prime factorization of 128138732800:
28 × 52 × 13 × 67 × 127 × 181
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 13 × 67 × 127 × 181)See below for interesting mathematical facts about the number 128138732800 from the Numbermatics database.
Names of 128138732800
- Cardinal: 128138732800 can be written as One hundred twenty-eight billion, one hundred thirty-eight million, seven hundred thirty-two thousand, eight hundred.
Scientific notation
- Scientific notation: 1.281387328 × 1011
Factors of 128138732800
Divisors of 128138732800
- Number of divisors d(n): 432
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Complete list of divisors:
1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 64 65 67 80 100 104 127 128 130 134 160 181 200 208 254 256 260 268 320 325 335 362 400 416 508 520 536 635 640 650 670 724 800 832 871 905 1016 1040 1072 1270 1280 1300 1340 1448 1600 1651 1664 1675 1742 1810 2032 2080 2144 2353 2540 2600 2680 2896 3175 3200 3302 3328 3350 3484 3620 4064 4160 4288 4355 4525 4706 5080 5200 5360 5792 6350 6400 6604 6700 6968 7240 8128 8255 8320 8509 8576 8710 9050 9412 10160 10400 10720 11584 11765 12127 12700 13208 13400 13936 14480 16256 16510 16640 17018 17152 17420 18100 18824 20320 20800 21440 21775 22987 23168 23530 24254 25400 26416 26800 27872 28960 32512 33020 34036 34840 36200 37648 40640 41275 41600 42545 42880 43550 45974 46336 47060 48508 50800 52832 53600 55744 57920 58825 60635 66040 68072 69680 72400 75296 81280 82550 83200 85090 85760 87100 91948 94120 97016 101600 105664 107200 110617 111488 114935 115840 117650 121270 132080 136144 139360 144800 150592 157651 162560 165100 170180 174200 183896 188240 194032 203200 211328 212725 214400 221234 222976 229870 231680 235300 242540 264160 272288 278720 289600 298831 301184 303175 315302 330200 340360 348400 367792 376480 388064 406400 422656 425450 428800 442468 459740 470600 485080 528320 544576 553085 557440 574675 579200 597662 602368 606350 630604 660400 680720 696800 735584 752960 776128 788255 812800 850900 884936 919480 941200 970160 1056640 1089152 1106170 1114880 1149350 1158400 1195324 1212700 1261208 1320800 1361440 1393600 1471168 1494155 1505920 1540129 1552256 1576510 1701800 1769872 1838960 1882400 1940320 2113280 2178304 2212340 2298700 2390648 2425400 2522416 2641600 2722880 2765425 2787200 2942336 2988310 3011840 3080258 3104512 3153020 3403600 3539744 3677920 3764800 3880640 3941275 4424680 4597400 4781296 4850800 5044832 5283200 5445760 5530850 5574400 5884672 5976620 6160516 6306040 6807200 7079488 7355840 7470775 7529600 7700645 7761280 7882550 8849360 9194800 9562592 9701600 10089664 10566400 10891520 11061700 11953240 12321032 12612080 13614400 14158976 14711680 14941550 15059200 15401290 15522560 15765100 17698720 18389600 19125184 19403200 20021677 20179328 22123400 23906480 24642064 25224160 27228800 28317952 29423360 29883100 30802580 31530200 35397440 36779200 38250368 38503225 38806400 40043354 40358656 44246800 47812960 49284128 50448320 54457600 59766200 61605160 63060400 70794880 73558400 76500736 77006450 77612800 80086708 88493600 95625920 98568256 100108385 100896640 119532400 123210320 126120800 141589760 147116800 154012900 160173416 176987200 191251840 197136512 200216770 201793280 239064800 246420640 252241600 308025800 320346832 353974400 382503680 394273024 400433540 478129600 492841280 500541925 504483200 616051600 640693664 707948800 800867080 956259200 985682560 1001083850 1008966400 1232103200 1281387328 1601734160 1912518400 1971365120 2002167700 2464206400 2562774656 3203468320 4004335400 4928412800 5125549312 6406936640 8008670800 9856825600 12813873280 16017341600 25627746560 32034683200 64069366400 128138732800
- Sum of all divisors σ(n): 351318403072
- Sum of proper divisors (its aliquot sum) s(n): 223179670272
- 128138732800 is an abundant number, because the sum of its proper divisors (223179670272) is greater than itself. Its abundance is 95040937472
Bases of 128138732800
- Binary: 11101110101011010100111100101000000002
- Hexadecimal: 0x1DD5A9E500
- Base-36: 1MV6HR0G
Squares and roots of 128138732800
- 128138732800 squared (1281387328002) is 16419534843589795840000
- 128138732800 cubed (1281387328003) is 2103978388023042641948311552000000
-
The
square root of 128138732800 is 357964.7088750509 -
The
cube root of 128138732800 is 5041.5042960737
Scales and comparisons
How big is 128138732800?- 128,138,732,800 seconds is equal to 4,074 years, 21 weeks, 4 days, 4 hours, 26 minutes, 40 seconds.
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To count from 1 to 128,138,732,800 would take you about eight thousand, one hundred forty-eight 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 128138732800 cubic inches would be around 420.1 feet tall.
Recreational maths with 128138732800
- 128138732800 backwards is 008237831821
- The number of decimal digits it has is: 12
- The sum of 128138732800's digits is 43
- More coming soon!
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