664739134198920

Names of 664739134198920

• Cardinal: 664739134198920 can be written as Six hundred sixty-four trillion, seven hundred thirty-nine billion, one hundred thirty-four million, one hundred ninety-eight thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 6.6473913419892 × 10¹⁴

Factors of 664739134198920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 160510

Divisors of 664739134198920

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 18 20 22 24 30 33 36 40 44 45 55 60 61 66 72 88 90 99 110 120 122 132 165 180 183 198 220 244 264 305 330 360 366 396 440 488 495 549 610 660 671 732 792 915 990 1098 1220 1320 1342 1464 1830 1980 2013 2196 2440 2684 2745 3355 3660 3960 4026 4392 5368 5490 6039 6710 7320 8052 10065 10980 12078 13420 16104 19531 20130 21960 24156 26840 30195 39062 40260 48312 58593 60390 78124 80520 97655 117186 120780 140897 156248 175779 195310 214841 234372 241560 281794 292965 351558 390620 422691 429682 468744 563588 585930 644523 703116 704485 781240 845382 859364 878895 1074205 1127176 1171860 1191391 1268073 1289046 1406232 1408970 1549867 1690764 1718728 1757790 1933569 2113455 2148410 2343720 2382782 2536146 2578092 2817940 3099734 3222615 3381528 3515580 3574173 3867138 4226910 4296820 4649601 4765564 5072292 5156184 5635880 5956955 6199468 6340365 6445230 7031160 7148346 7734276 7749335 8453820 8593640 8594717 9299202 9531128 9667845 10144584 10722519 11913910 12398936 12680730 12890460 13105301 13948803 14296692 15468552 15498670 16907640 17189434 17870865 18598404 19335690 21445038 23248005 23827820 25361460 25780920 25784151 26210602 27897606 28593384 30997340 34378868 35741730 37196808 38671380 39315903 42890076 42973585 46496010 47655640 50722920 51568302 52421204 53612595 55795212 61994680 65526505 68757736 69744015 71483460 77342760 77352453 78631806 85780152 85947170 92992020 94541887 103136604 104842408 107225190 111590424 117947709 128920755 131053010 139488030 142966920 154704906 157263612 171894340 185984040 189083774 196579515 206273208 214450380 235895418 257841510 262106020 278976060 283625661 309409812 314527224 343788680 378167548 386762265 393159030 428900760 471790836 472709435 515683020 524212040 557952120 567251322 589738545 618819624 756335096 773524530 786318060 850876983 943581672 945418870 1031366040 1134502644 1179477090 1418128305 1547049060 1572636120 1701753966 1890837740 2269005288 2358954180 2751859307 2836256610 3094098120 3403507932 3781675480 4254384915 4717908360 5503718614 5672513220 6807015864 8255577921 8508769830 11007437228 11345026440 13759296535 16511155842 17017539660 22014874456 24766733763 27518593070 30270452377 33022311684 34035079320 41277889605 49533467526 55037186140 60540904754 66044623368 82555779210 90811357131 99066935052 110074372280 121081809508 123833668815 151352261885 165111558420 167863417727 181622714262 198133870104 242163619016 247667337630 272434071393 302704523770 330223116840 335726835454 363245428524 454056785655 495334675260 503590253181 544868142786 605409047540 671453670908 726490857048 839317088635 908113571310 990669350520 1007180506362 1089736285572 1210818095080 1342907341816 1362170356965 1510770759543 1678634177270 1816227142620 1846497594997 2014361012724 2179472571144 2517951265905 2724340713930 3021541519086 3357268354540 3632454285240 3692995189994 4028722025448 5035902531810 5448681427860 5539492784991 6043083038172 6714536709080 7385990379988 7553853797715 9232487974985 10071805063620 10897362855720 11078985569982 12086166076344 14771980759976 15107707595430 16618478354973 18464975949970 20143610127240 22157971139964 27697463924955 30215415190860 33236956709946 36929951899940 44315942279928 55394927849910 60430830381720 66473913419892 73859903799880 83092391774865 110789855699820 132947826839784 166184783549730 221579711399640 332369567099460 664739134198920
• Sum of all divisors σ(n): 2395578139793280
• Sum of proper divisors (its aliquot sum) s(n): 1730839005594360
• 664739134198920 is an abundant number, because the sum of its proper divisors (1730839005594360) is greater than itself. Its abundance is 1066099871395440

Bases of 664739134198920

• Binary: 10010111001001001110100011111101100101010010001000₂
• Hexadecimal: 0x25C93A3F65488
• Base-36: 6JMOXXG2A0

Squares and roots of 664739134198920

• 664739134198920 squared (664739134198920²) is 441878116535529773110129166400
• 664739134198920 cubed (664739134198920³) is 293733676607277536549691331167944791380288000
• The square root of 664739134198920 is 25782535.4493874399
• The cube root of 664739134198920 is 87273.7724654775

Scales and comparisons

• 664,739,134,198,920 seconds is equal to 21,136,648 years, 15 weeks, 2 days, 3 hours, 42 minutes.
• To count from 1 to 664,739,134,198,920 would take you about fifty-two million, eight hundred forty-one thousand, six hundred twenty 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 664739134198920 cubic inches would be around 7272.8 feet tall.

Recreational maths with 664739134198920

• 664739134198920 backwards is 029891431937466
• 664739134198920 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 664739134198920's digits is 72
• More coming soon!