1268142720
1,268,142,720 is an even composite number composed of six prime numbers multiplied together.
1268142720 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 1268142720:
27 × 3 × 5 × 13 × 23 × 472
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 13 × 23 × 47 × 47)See below for interesting mathematical facts about the number 1268142720 from the Numbermatics database.
Names of 1268142720
- Cardinal: 1268142720 can be written as One billion, two hundred sixty-eight million, one hundred forty-two thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.26814272 × 109
Factors of 1268142720
Divisors of 1268142720
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 16 20 23 24 26 30 32 39 40 46 47 48 52 60 64 65 69 78 80 92 94 96 104 115 120 128 130 138 141 156 160 184 188 192 195 208 230 235 240 260 276 282 299 312 320 345 368 376 384 390 416 460 470 480 520 552 564 598 611 624 640 690 705 736 752 780 832 897 920 940 960 1040 1081 1104 1128 1196 1222 1248 1380 1410 1472 1495 1504 1560 1664 1794 1833 1840 1880 1920 2080 2162 2208 2209 2256 2392 2444 2496 2760 2820 2944 2990 3008 3055 3120 3243 3588 3666 3680 3760 4160 4324 4416 4418 4485 4512 4784 4888 4992 5405 5520 5640 5980 6016 6110 6240 6486 6627 7176 7332 7360 7520 8320 8648 8832 8836 8970 9024 9165 9568 9776 10810 11040 11045 11280 11960 12220 12480 12972 13254 14053 14352 14664 14720 15040 16215 17296 17672 17940 18048 18330 19136 19552 21620 22080 22090 22560 23920 24440 24960 25944 26508 28106 28704 28717 29328 30080 32430 33135 34592 35344 35880 36660 38272 39104 42159 43240 44160 44180 45120 47840 48880 50807 51888 53016 56212 57408 57434 58656 64860 66270 69184 70265 70688 71760 73320 78208 84318 86151 86480 88360 90240 95680 97760 101614 103776 106032 112424 114816 114868 117312 129720 132540 138368 140530 141376 143520 143585 146640 152421 168636 172302 172960 176720 191360 195520 203228 207552 210795 212064 224848 229736 234624 254035 259440 265080 281060 282752 287040 287170 293280 304842 337272 344604 345920 353440 391040 406456 415104 421590 424128 430755 449696 459472 508070 518880 530160 562120 574080 574340 586560 609684 660491 674544 689208 691840 706880 762105 812912 843180 848256 861510 899392 918944 1016140 1037760 1060320 1124240 1148680 1173120 1219368 1320982 1349088 1378416 1413760 1524210 1625824 1686360 1723020 1798784 1837888 1981473 2032280 2075520 2120640 2248480 2297360 2438736 2641964 2698176 2756832 3048420 3251648 3302455 3372720 3446040 3675776 3962946 4064560 4241280 4496960 4594720 4877472 5283928 5396352 5513664 6096840 6503296 6604910 6745440 6892080 7925892 8129120 8993920 9189440 9754944 9907365 10567856 11027328 12193680 13209820 13490880 13784160 15851784 16258240 18378880 19509888 19814730 21135712 24387360 26419640 26981760 27568320 31703568 32516480 39629460 42271424 48774720 52839280 55136640 63407136 79258920 84542848 97549440 105678560 126814272 158517840 211357120 253628544 317035680 422714240 634071360 1268142720
- Sum of all divisors σ(n): 4641114240
- Sum of proper divisors (its aliquot sum) s(n): 3372971520
- 1268142720 is an abundant number, because the sum of its proper divisors (3372971520) is greater than itself. Its abundance is 2104828800
Bases of 1268142720
- Binary: 10010111001011001010010100000002
- Hexadecimal: 0x4B965280
- Base-36: KZ0P6O
Squares and roots of 1268142720
- 1268142720 squared (12681427202) is 1608185958288998400
- 1268142720 cubed (12681427203) is 2039409315410416977051648000
-
The
square root of 1268142720 is 35610.9915615953 -
The
cube root of 1268142720 is 1082.4039728709
Scales and comparisons
How big is 1268142720?- 1,268,142,720 seconds is equal to 40 years, 16 weeks, 5 days, 13 hours, 52 minutes.
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To count from 1 to 1,268,142,720 would take you about eighty 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 1268142720 cubic inches would be around 90.2 feet tall.
Recreational maths with 1268142720
- 1268142720 backwards is 0272418621
- The number of decimal digits it has is: 10
- The sum of 1268142720's digits is 33
- More coming soon!
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