64238794748640

Names of 64238794748640

• Cardinal: 64238794748640 can be written as Sixty-four trillion, two hundred thirty-eight billion, seven hundred ninety-four million, seven hundred forty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 6.423879474864 × 10¹³

Factors of 64238794748640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 4634

Divisors of 64238794748640

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 31 32 36 40 45 48 54 60 62 72 80 90 93 96 108 113 120 124 135 144 155 160 180 186 216 226 240 248 270 279 288 310 339 360 372 432 452 465 480 496 540 558 565 620 678 720 744 837 864 904 930 992 1017 1080 1116 1130 1240 1356 1361 1395 1440 1488 1674 1695 1808 1860 2034 2160 2232 2260 2480 2712 2722 2790 2976 3051 3119 3348 3390 3503 3616 3720 4068 4083 4185 4320 4464 4520 4960 5085 5424 5444 5580 6102 6238 6696 6780 6805 7006 7440 8136 8166 8370 8928 9040 9357 10170 10509 10848 10888 11160 12204 12249 12476 13392 13560 13610 14012 14880 15255 15595 16272 16332 16740 17515 18080 18714 20340 20415 21018 21776 22320 24408 24498 24952 26784 27120 27220 28024 28071 30510 31190 31527 32544 32664 33480 35030 36747 37428 40680 40830 42036 42191 43552 44640 46785 48816 48996 49904 52545 54240 54440 56048 56142 61020 61245 62380 63054 65328 66960 70060 73494 74856 81360 81660 84072 84213 84382 93570 94581 96689 97632 97992 99808 105090 108880 112096 112284 122040 122490 124760 126108 126573 130656 133920 140120 140355 146988 149712 153793 157635 162720 163320 168144 168426 168764 183735 187140 189162 193378 195984 210180 210955 217760 224568 244080 244980 249520 252216 253146 280240 280710 290067 293976 299424 307586 315270 326640 336288 336852 337528 352447 367470 374280 378324 379719 386756 391968 420360 421065 421910 449136 461379 472905 483445 488160 489960 499040 504432 506292 560480 561420 580134 587952 615172 630540 632865 653280 673704 675056 704894 734940 748560 756648 759438 768965 773512 840720 842130 843820 870201 898272 922758 945810 966890 979920 1008864 1012584 1057341 1122840 1139157 1160268 1175904 1230344 1261080 1265730 1347408 1350112 1384137 1409788 1450335 1469880 1497120 1513296 1518876 1537930 1547024 1681440 1684260 1687640 1740402 1762235 1845516 1891620 1898595 1933780 1959840 2025168 2114682 2245680 2278314 2306895 2320536 2460688 2522160 2531460 2610603 2694816 2768274 2819576 2900670 2939760 3026592 3037752 3075860 3094048 3172023 3368520 3375280 3480804 3524470 3691032 3783240 3797190 3867560 4050336 4152411 4229364 4244959 4351005 4491360 4556628 4613790 4641072 4767583 4921376 5044320 5062920 5221206 5286705 5536548 5639152 5695785 5801340 5879520 6075504 6151720 6344046 6737040 6750560 6920685 6961608 7048940 7382064 7566480 7594380 7735120 8304822 8458728 8489918 8702010 9113256 9227580 9282144 9516069 9535166 10125840 10442412 10573410 10925857 11073096 11278304 11391570 11602680 12151008 12303440 12688092 12734877 13053015 13474080 13841370 13923216 14097880 14302749 14764128 15132960 15188760 15470240 15860115 16609644 16917456 16979836 17404020 18226512 18455160 19032138 19070332 20251680 20762055 20884824 21146820 21224795 21851714 22146192 22783140 23205360 23837915 24606880 25376184 25469754 26106030 27682740 27846432 28195760 28605498 30377520 31720230 32777571 33219288 33834912 33959672 34808040 36453024 36910320 38064276 38140664 38204631 41524110 41769648 42293640 42449590 42908247 43703428 44292384 45566280 46410720 47580345 47675830 50752368 50939508 52212060 54629285 55365480 56391520 57210996 60755040 63440460 63674385 65555142 66438576 67919344 69616080 71513745 73820640 76128552 76281328 76409262 83048220 83539296 84587280 84899180 85816494 87406856 91132560 95160690 95351660 98332713 101504736 101879016 104424120 109258570 110730960 114421992 114613893 126880920 127348770 128724741 131110284 131593729 132877152 135838688 139232160 143027490 152257104 152562656 152818524 163887855 166096440 169174560 169798360 171632988 174813712 182265120 190321380 190703320 191023155 196665426 203758032 208848240 214541235 218517140 221461920 228843984 229227786 253761840 254697540 257449482 262220568 263187458 286054980 294998139 304514208 305637048 327775710 332192880 339596720 343265976 349627424 380642760 381406640 382046310 393330852 394781187 407516064 417696480 429082470 437034280 457687968 458455572 479680367 491663565 507523680 509395080 514898964 524441136 526374916 572109960 573069465 589996278 611274096 643623705 655551420 657968645 664385760 679193440 686531952 761285520 762813280 764092620 786661704 789562374 858164940 874068560 916911144 959360734 983327130 1018790160 1029797928 1048882272 1052749832 1144219920 1146138930 1179992556 1184343561 1222548192 1287247410 1311102840 1315937290 1373063904 1439041101 1474990695 1522571040 1528185240 1573323408 1579124748 1716329880 1748137120 1833822288 1918721468 1966654260 1973905935 2037580320 2059595856 2105499664 2288439840 2292277860 2359985112 2368687122 2398401835 2574494820 2622205680 2631874580 2878082202 2949981390 3056370480 3146646816 3158249496 3432659760 3553030683 3667644576 3837442936 3933308520 3947811870 4119191712 4210999328 4317123303 4584555720 4719970224 4737374244 4796803670 5148989640 5244411360 5263749160 5756164404 5899962780 5921717805 6112740960 6316498992 6865319520 7106061366 7195205505 7674885872 7866617040 7895623740 8634246606 9169111440 9439940448 9474748488 9593607340 10297979280 10527498320 11512328808 11799925560 11843435610 12632997984 12951369909 14212122732 14390411010 14870091377 15349771744 15733234080 15791247480 17268493212 17765153415 18338222880 18949496976 19187214680 20595958560 21054996640 21585616515 23024657616 23599851120 23686871220 25902739818 28424245464 28780822020 29740182754 31582494960 34536986424 35530306830 37898993952 38374429360 43171233030 44610274131 46049315232 47199702240 47373742440 51805479636 56848490928 57561644040 59480365508 63164989920 64756849545 69073972848 71060613660 74350456885 76748858720 86342466060 89220548262 94747484880 103610959272 113696981856 115123288080 118960731016 129513699090 133830822393 138147945696 142121227320 148700913770 172684932120 178441096524 189494969760 207221918544 223051370655 230246576160 237921462032 259027398180 267661644786 284242454640 297401827540 345369864240 356882193048 401492467179 414443837088 446102741310 475842924064 518054796360 535323289572 568484909280 594803655080 669154111965 690739728480 713764386096 802984934358 892205482620 1036109592720 1070646579144 1189607310160 1338308223930 1427528772192 1605969868716 1784410965240 2007462335895 2072219185440 2141293158288 2379214620320 2676616447860 3211939737432 3568821930480 4014924671790 4282586316576 5353232895720 6423879474864 7137643860960 8029849343580 10706465791440 12847758949728 16059698687160 21412931582880 32119397374320 64238794748640
• Sum of all divisors σ(n): 234389591654400
• Sum of proper divisors (its aliquot sum) s(n): 170150796905760
• 64238794748640 is an abundant number, because the sum of its proper divisors (170150796905760) is greater than itself. Its abundance is 105912002157120

Bases of 64238794748640

• Binary: 1110100110110011000010100010101011001011100000₂
• Hexadecimal: 0x3A6CC28AB2E0
• Base-36: MRQW7SOO0

Squares and roots of 64238794748640

• 64238794748640 squared (64238794748640²) is 4126622750757898040781849600
• 64238794748640 cubed (64238794748640³) is 265089271891004812242181624644306284544000
• The square root of 64238794748640 is 8014910.7760872797
• The cube root of 64238794748640 is 40049.6871600639

Scales and comparisons

• 64,238,794,748,640 seconds is equal to 2,042,594 years, 50 weeks, 2 days, 20 hours, 24 minutes.
• To count from 1 to 64,238,794,748,640 would take you about five million, one hundred six thousand, four hundred eighty-seven 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 64238794748640 cubic inches would be around 3337.5 feet tall.

Recreational maths with 64238794748640

• 64238794748640 backwards is 04684749783246
• 64238794748640 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 64238794748640's digits is 72
• More coming soon!