128995118720
128,995,118,720 is an even composite number composed of six prime numbers multiplied together.
128995118720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 128995118720:
27 × 5 × 13 × 17 × 37 × 1572
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 13 × 17 × 37 × 157 × 157)See below for interesting mathematical facts about the number 128995118720 from the Numbermatics database.
Names of 128995118720
- Cardinal: 128995118720 can be written as One hundred twenty-eight billion, nine hundred ninety-five million, one hundred eighteen thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.2899511872 × 1011
Factors of 128995118720
Divisors of 128995118720
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 4 5 8 10 13 16 17 20 26 32 34 37 40 52 64 65 68 74 80 85 104 128 130 136 148 157 160 170 185 208 221 260 272 296 314 320 340 370 416 442 481 520 544 592 628 629 640 680 740 785 832 884 962 1040 1088 1105 1184 1256 1258 1360 1480 1570 1664 1768 1924 2041 2080 2176 2210 2368 2405 2512 2516 2669 2720 2960 3140 3145 3536 3848 4082 4160 4420 4736 4810 5024 5032 5338 5440 5809 5920 6280 6290 7072 7696 8164 8177 8320 8840 9620 10048 10064 10205 10676 10880 11618 11840 12560 12580 13345 14144 15392 16328 16354 17680 19240 20096 20128 20410 21352 23236 23680 24649 25120 25160 26690 28288 29045 30784 32656 32708 34697 35360 38480 40256 40820 40885 42704 46472 49298 50240 50320 53380 58090 61568 65312 65416 69394 70720 75517 76960 80512 81640 81770 85408 92944 98596 98753 100480 100640 106760 116180 123245 130624 130832 138788 141440 151034 153920 163280 163540 170816 173485 185888 197192 197506 201280 213520 232360 246490 261248 261664 277576 302068 307840 320437 326560 327080 341632 346970 371776 377585 394384 395012 402560 419033 427040 464720 492980 493765 523328 555152 604136 640874 653120 654160 693940 743552 755170 788768 790024 838066 854080 912013 929440 985960 987530 1046656 1110304 1208272 1281748 1283789 1306240 1308320 1387880 1510340 1577536 1580048 1602185 1676132 1708160 1824026 1858880 1971920 1975060 2095165 2220608 2416544 2563496 2567578 2616640 2775760 3020680 3155072 3160096 3204370 3352264 3648052 3717760 3943840 3950120 4190330 4441216 4560065 4833088 5126992 5135156 5233280 5447429 5551520 6041360 6320192 6408740 6418945 6704528 7296104 7887680 7900240 8380660 9120130 9666176 10253984 10270312 10894858 11103040 11856169 12082720 12640384 12817480 12837890 13409056 14592208 15504221 15775360 15800480 16761320 18240260 20507968 20540624 21789716 22206080 23712338 24165440 25634960 25675780 26818112 27237145 29184416 31008442 31600960 33522640 36480520 41015936 41081248 43579432 47424676 48330880 51269920 51351560 53636224 54474290 58368832 59280845 62016884 63201920 67045280 72961040 77521105 82162496 87158864 94849352 102539840 102703120 108948580 116737664 118561690 124033768 134090560 145922080 155042210 164324992 174317728 189698704 201554873 205079680 205406240 217897160 237123380 248067536 268181120 291844160 310084420 348635456 379397408 403109746 410812480 435794320 474246760 496135072 583688320 620168840 697270912 758794816 806219492 821624960 871588640 948493520 992270144 1007774365 1240337680 1517589632 1612438984 1743177280 1896987040 1984540288 2015548730 2480675360 3224877968 3486354560 3793974080 4031097460 4961350720 6449755936 7587948160 8062194920 9922701440 12899511872 16124389840 25799023744 32248779680 64497559360 128995118720
- Sum of all divisors σ(n): 363454302960
- Sum of proper divisors (its aliquot sum) s(n): 234459184240
- 128995118720 is an abundant number, because the sum of its proper divisors (234459184240) is greater than itself. Its abundance is 105464065520
Bases of 128995118720
- Binary: 11110000010001011010101001110100000002
- Hexadecimal: 0x1E08B54E80
- Base-36: 1N9CD2M8
Squares and roots of 128995118720
- 128995118720 squared (1289951187202) is 16639740653586894438400
- 128995118720 cubed (1289951187203) is 2146445321079451841917515726848000
-
The
square root of 128995118720 is 359158.9045534023 -
The
cube root of 128995118720 is 5052.7106151221
Scales and comparisons
How big is 128995118720?- 128,995,118,720 seconds is equal to 4,101 years, 33 weeks, 4 days, 1 hour, 25 minutes, 20 seconds.
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To count from 1 to 128,995,118,720 would take you about eight thousand, two hundred 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 128995118720 cubic inches would be around 421.1 feet tall.
Recreational maths with 128995118720
- 128995118720 backwards is 027811599821
- The number of decimal digits it has is: 12
- The sum of 128995118720's digits is 53
- More coming soon!
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