64398136320

Names of 64398136320

• Cardinal: 64398136320 can be written as Sixty-four billion, three hundred ninety-eight million, one hundred thirty-six thousand, three hundred twenty.

Scientific notation

• Scientific notation: 6.439813632 × 10¹⁰

Factors of 64398136320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 3186

Divisors of 64398136320

• Number of divisors d(n): 660
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 49 54 56 60 63 64 70 72 80 81 84 90 96 98 105 108 112 120 126 128 135 140 144 147 160 162 168 180 189 192 196 210 216 224 240 245 252 256 270 280 288 294 315 320 324 336 360 378 384 392 405 420 432 441 448 480 490 504 512 540 560 567 576 588 630 640 648 672 720 735 756 768 784 810 840 864 882 896 945 960 980 1008 1024 1080 1120 1134 1152 1176 1260 1280 1296 1323 1344 1440 1470 1512 1536 1568 1620 1680 1728 1764 1792 1890 1920 1960 2016 2160 2205 2240 2268 2304 2352 2520 2560 2592 2646 2688 2835 2880 2940 3024 3072 3136 3169 3240 3360 3456 3528 3584 3780 3840 3920 3969 4032 4320 4410 4480 4536 4608 4704 5040 5120 5184 5292 5376 5670 5760 5880 6048 6272 6338 6480 6615 6720 6912 7056 7168 7560 7680 7840 7938 8064 8640 8820 8960 9072 9216 9408 9507 10080 10368 10584 10752 11340 11520 11760 12096 12544 12676 12960 13230 13440 13824 14112 15120 15360 15680 15845 15876 16128 17280 17640 17920 18144 18816 19014 19845 20160 20736 21168 21504 22183 22680 23040 23520 24192 25088 25352 25920 26460 26880 27648 28224 28521 30240 31360 31690 31752 32256 34560 35280 35840 36288 37632 38028 39690 40320 41472 42336 44366 45360 46080 47040 47535 48384 50176 50704 51840 52920 53760 56448 57042 60480 62720 63380 63504 64512 66549 69120 70560 72576 75264 76056 79380 80640 82944 84672 85563 88732 90720 94080 95070 96768 101408 103680 105840 107520 110915 112896 114084 120960 125440 126760 127008 133098 138240 141120 142605 145152 150528 152112 155281 158760 161280 169344 171126 177464 181440 188160 190140 193536 199647 202816 207360 211680 221830 225792 228168 241920 250880 253520 254016 256689 266196 282240 285210 290304 304224 310562 317520 322560 332745 338688 342252 354928 362880 376320 380280 399294 405632 414720 423360 427815 443660 451584 456336 465843 483840 507040 508032 513378 532392 564480 570420 580608 598941 608448 621124 635040 665490 677376 684504 709856 725760 752640 760560 776405 798588 811264 846720 855630 887320 912672 931686 967680 998235 1014080 1016064 1026756 1064784 1128960 1140840 1197882 1216896 1242248 1270080 1283445 1330980 1354752 1369008 1397529 1419712 1451520 1521120 1552810 1597176 1622528 1693440 1711260 1774640 1796823 1825344 1863372 1996470 2028160 2032128 2053512 2129568 2257920 2281680 2329215 2395764 2433792 2484496 2540160 2566890 2661960 2738016 2795058 2839424 2903040 2994705 3042240 3105620 3194352 3245056 3386880 3422520 3549280 3593646 3650688 3726744 3992940 4056320 4064256 4107024 4192587 4259136 4563360 4658430 4791528 4867584 4968992 5080320 5133780 5323920 5476032 5590116 5678848 5989410 6084480 6211240 6388704 6773760 6845040 6987645 7098560 7187292 7301376 7453488 7985880 8112640 8214048 8385174 8518272 8984115 9126720 9316860 9583056 9735168 9937984 10160640 10267560 10647840 10952064 11180232 11357696 11978820 12168960 12422480 12577761 12777408 13690080 13975290 14197120 14374584 14602752 14906976 15971760 16225280 16428096 16770348 17036544 17968230 18253440 18633720 19166112 19875968 20321280 20535120 20962935 21295680 21904128 22360464 22715392 23957640 24337920 24844960 25155522 25554816 27380160 27950580 28394240 28749168 29205504 29813952 31943520 32856192 33540696 34073088 35936460 36506880 37267440 38332224 39751936 41070240 41925870 42591360 43808256 44720928 47915280 48675840 49689920 50311044 51109632 54760320 55901160 56788480 57498336 59627904 62888805 63887040 65712384 67081392 68146176 71872920 73013760 74534880 76664448 79503872 82140480 83851740 85182720 87616512 89441856 95830560 99379840 100622088 102219264 109520640 111802320 113576960 114996672 119255808 125777610 127774080 131424768 134162784 143745840 146027520 149069760 153328896 159007744 164280960 167703480 170365440 178883712 191661120 198759680 201244176 204438528 219041280 223604640 229993344 238511616 251555220 255548160 262849536 268325568 287491680 298139520 306657792 328561920 335406960 340730880 357767424 383322240 397519360 402488352 438082560 447209280 459986688 477023232 503110440 511096320 536651136 574983360 596279040 613315584 657123840 670813920 715534848 766644480 795038720 804976704 894418560 919973376 1006220880 1022192640 1073302272 1149966720 1192558080 1314247680 1341627840 1431069696 1533288960 1609953408 1788837120 1839946752 2012441760 2146604544 2299933440 2385116160 2683255680 3066577920 3219906816 3577674240 4024883520 4293209088 4599866880 5366511360 6439813632 7155348480 8049767040 9199733760 10733022720 12879627264 16099534080 21466045440 32199068160 64398136320
• Sum of all divisors σ(n): 268527384180
• Sum of proper divisors (its aliquot sum) s(n): 204129247860
• 64398136320 is an abundant number, because the sum of its proper divisors (204129247860) is greater than itself. Its abundance is 139731111540

Bases of 64398136320

• Binary: 111011111110011011011001010000000000₂
• Hexadecimal: 0xEFE6D9400
• Base-36: TL0ZK00

Squares and roots of 64398136320

• 64398136320 squared (64398136320²) is 4147119961489303142400
• 64398136320 cubed (64398136320³) is 267066796615381293986079571968000
• The square root of 64398136320 is 253767.8788184195
• The cube root of 64398136320 is 4008.2773661543

Scales and comparisons

• 64,398,136,320 seconds is equal to 2,047 years, 34 weeks, 2 days, 19 hours, 12 minutes.
• To count from 1 to 64,398,136,320 would take you about four thousand and ninety-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 64398136320 cubic inches would be around 334 feet tall.

Recreational maths with 64398136320

• 64398136320 backwards is 02363189346
• 64398136320 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 64398136320's digits is 45
• More coming soon!