1538840816640

Names of 1538840816640

• Cardinal: 1538840816640 can be written as One trillion, five hundred thirty-eight billion, eight hundred forty million, eight hundred sixteen thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.53884081664 × 10¹²

Factors of 1538840816640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 761

Divisors of 1538840816640

• Number of divisors d(n): 704
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 128 135 137 144 160 180 192 193 216 240 256 270 274 288 320 360 384 386 411 421 432 480 512 540 548 576 579 640 685 720 768 772 822 842 864 960 965 1024 1080 1096 1152 1158 1233 1263 1280 1370 1440 1536 1544 1644 1684 1728 1737 1920 1930 2055 2105 2160 2192 2304 2316 2466 2526 2560 2740 2880 2895 3072 3088 3288 3368 3456 3474 3699 3789 3840 3860 4110 4210 4320 4384 4608 4632 4932 5052 5120 5211 5480 5760 5790 6165 6176 6315 6576 6736 6912 6948 7398 7578 7680 7720 8220 8420 8640 8685 8768 9216 9264 9864 10104 10422 10960 11367 11520 11580 12330 12352 12630 13152 13472 13824 13896 14796 15156 15360 15440 16440 16840 17280 17370 17536 18495 18528 18945 19728 20208 20844 21920 22734 23040 23160 24660 24704 25260 26055 26304 26441 26944 27648 27792 29592 30312 30880 32880 33680 34560 34740 35072 36990 37056 37890 39456 40416 41688 43840 45468 46080 46320 49320 49408 50520 52110 52608 52882 53888 55584 56835 57677 59184 60624 61760 65760 67360 69120 69480 70144 73980 74112 75780 78912 79323 80832 81253 83376 87680 90936 92640 98640 98816 101040 104220 105216 105764 107776 111168 113670 115354 118368 121248 123520 131520 132205 134720 138240 138960 140288 147960 148224 151560 157824 158646 161664 162506 166752 173031 175360 181872 185280 197280 197632 202080 208440 210432 211528 215552 222336 227340 230708 236736 237969 242496 243759 247040 263040 264410 269440 277920 288385 295920 296448 303120 315648 317292 323328 325012 333504 346062 350720 363744 370560 394560 396615 404160 406265 416880 420864 423056 431104 444672 454680 461416 473472 475938 484992 487518 494080 519093 526080 528820 538880 555840 576770 591840 592896 606240 631296 634584 646656 650024 667008 692124 701440 713907 727488 731277 741120 789120 793230 808320 812530 833760 846112 865155 889344 909360 922832 946944 951876 969984 975036 988160 1038186 1052160 1057640 1077760 1111680 1153540 1183680 1189845 1212480 1218795 1262592 1269168 1293312 1300048 1334016 1384248 1427814 1454976 1462554 1482240 1557279 1578240 1586460 1616640 1625060 1667520 1692224 1730310 1778688 1818720 1845664 1893888 1903752 1939968 1950072 2076372 2104320 2115280 2155520 2193831 2223360 2307080 2367360 2379690 2424960 2437590 2538336 2595465 2600096 2668032 2768496 2855628 2909952 2925108 2964480 3114558 3156480 3172920 3233280 3250120 3335040 3384448 3460620 3569535 3637440 3656385 3691328 3787776 3807504 3879936 3900144 4152744 4230560 4387662 4446720 4614160 4734720 4759380 4849920 4875180 5076672 5190930 5200192 5336064 5536992 5711256 5819904 5850216 6229116 6312960 6345840 6466560 6500240 6670080 6768896 6921240 7139070 7274880 7312770 7382656 7615008 7786395 7800288 8305488 8461120 8775324 8893440 9228320 9469440 9518760 9699840 9750360 10153344 10381860 10400384 10969155 11073984 11131661 11422512 11639808 11700432 12458232 12691680 13000480 13340160 13537792 13842480 14278140 14549760 14625540 14765312 15230016 15572790 15600576 16610976 16922240 17550648 18456640 18938880 19037520 19399680 19500720 20306688 20763720 20800768 21938310 22147968 22263322 22845024 23400864 24916464 25383360 26000960 26680320 27075584 27684960 28556280 29099520 29251080 29530624 30460032 31145580 31201152 33221952 33394983 33844480 35101296 36913280 38075040 39001440 40613376 41527440 41601536 43876620 44295936 44526644 45690048 46801728 49832928 50766720 52001920 55369920 55658305 57112560 58199040 58502160 59061248 60920064 62291160 62402304 66443904 66789966 67688960 70202592 73826560 76150080 78002880 81226752 83054880 83203072 87753240 88591872 89053288 91380096 93603456 99665856 100184949 101533440 104003840 110739840 111316610 114225120 117004320 121840128 124582320 124804608 132887808 133579932 135377920 140405184 147653120 152300160 156005760 166109760 166974915 175506480 177183744 178106576 182760192 187206912 199331712 200369898 203066880 208007680 221479680 222633220 228450240 234008640 243680256 249164640 249609216 265775616 267159864 280810368 295306240 300554847 304600320 312011520 332219520 333949830 351012960 356213152 365520384 374413824 398663424 400739796 406133760 416015360 442959360 445266440 456900480 468017280 498329280 500924745 531551232 534319728 561620736 601109694 609200640 624023040 664439040 667899660 702025920 712426304 731040768 748827648 797326848 801479592 885918720 890532880 913800960 936034560 996658560 1001849490 1068639456 1123241472 1202219388 1218401280 1248046080 1328878080 1335799320 1404051840 1424852608 1502774235 1594653696 1602959184 1781065760 1827601920 1872069120 1993317120 2003698980 2137278912 2246482944 2404438776 2657756160 2671598640 2808103680 2849705216 3005548470 3205918368 3562131520 3655203840 3744138240 3986634240 4007397960 4274557824 4808877552 5343197280 5616207360 5699410432 6011096940 6411836736 7124263040 7973268480 8014795920 8549115648 9617755104 10686394560 11232414720 11398820864 12022193880 12823673472 14248526080 16029591840 17098231296 19235510208 21372789120 24044387760 25647346944 28497052160 32059183680 34196462592 38471020416 42745578240 48088775520 51294693888 56994104320 64118367360 76942040832 85491156480 96177551040 102589387776 128236734720 153884081664 170982312960 192355102080 256473469440 307768163328 384710204160 512946938880 769420408320 1538840816640
• Sum of all divisors σ(n): 5550375323520
• Sum of proper divisors (its aliquot sum) s(n): 4011534506880
• 1538840816640 is an abundant number, because the sum of its proper divisors (4011534506880) is greater than itself. Its abundance is 2472693690240

Bases of 1538840816640

• Binary: 10110011001001010000011110110110000000000₂
• Hexadecimal: 0x1664A0F6C00
• Base-36: JMXM39C0

Squares and roots of 1538840816640

• 1538840816640 squared (1538840816640²) is 2368031058957262100889600
• 1538840816640 cubed (1538840816640³) is 3644022848594677198191474134482944000
• The square root of 1538840816640 is 1240500.2283917565
• The cube root of 1538840816640 is 11545.1053181553

Scales and comparisons

• 1,538,840,816,640 seconds is equal to 48,930 years, 19 weeks, 4 days, 14 hours, 24 minutes.
• To count from 1 to 1,538,840,816,640 would take you about one hundred twenty-two thousand, three hundred twenty-five 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 1538840816640 cubic inches would be around 962.1 feet tall.

Recreational maths with 1538840816640

• 1538840816640 backwards is 0466180488351
• 1538840816640 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1538840816640's digits is 54
• More coming soon!