6491636720640

Names of 6491636720640

• Cardinal: 6491636720640 can be written as Six trillion, four hundred ninety-one billion, six hundred thirty-six million, seven hundred twenty thousand, six hundred forty.

Scientific notation

• Scientific notation: 6.49163672064 × 10¹²

Factors of 6491636720640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 43061

Divisors of 6491636720640

• Number of divisors d(n): 528
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 30 32 36 38 40 45 48 57 60 64 72 76 80 90 95 96 114 120 128 144 152 160 171 173 180 190 192 228 240 256 285 288 304 320 342 346 360 380 384 456 480 512 519 570 576 608 640 684 692 720 760 768 855 865 912 960 1024 1038 1140 1152 1216 1280 1368 1384 1440 1520 1536 1557 1710 1730 1824 1920 2076 2280 2304 2432 2560 2595 2736 2768 2880 3040 3072 3114 3287 3420 3460 3648 3840 4152 4560 4608 4864 5120 5190 5472 5536 5760 6080 6228 6574 6840 6920 7296 7680 7785 8304 9120 9216 9728 9861 10380 10944 11072 11520 12160 12456 13148 13680 13840 14592 15360 15570 16435 16608 18240 19456 19722 20760 21888 22144 23040 24320 24912 26296 27360 27680 29184 29583 31140 32870 33216 36480 39444 41520 42859 43776 44288 46080 48640 49305 49824 52592 54720 55360 58368 59166 62280 65740 66432 72960 78888 83040 85718 87552 88576 97280 98610 99648 105184 109440 110720 118332 124560 128577 131480 132864 145920 147915 157776 166080 171436 175104 177152 197220 199296 210368 214295 218880 221440 236664 249120 257154 262960 265728 291840 295830 315552 332160 342872 385731 394440 398592 420736 428590 437760 442880 473328 498240 514308 525920 531456 591660 631104 642885 664320 685744 771462 788880 797184 814321 841472 857180 875520 885760 946656 996480 1028616 1051840 1183320 1262208 1285770 1328640 1371488 1542924 1577760 1594368 1628642 1682944 1714360 1893312 1928655 1992960 2057232 2103680 2366640 2442963 2524416 2571540 2657280 2742976 3085848 3155520 3257284 3365888 3428720 3786624 3857310 3985920 4071605 4114464 4207360 4733280 4885926 5048832 5143080 5485952 6171696 6311040 6514568 6857440 7328889 7414607 7573248 7714620 7971840 8143210 8228928 8414720 9466560 9771852 10097664 10286160 10971904 12214815 12343392 12622080 13029136 13714880 14657778 14829214 15146496 15429240 16286420 16457856 16829440 18933120 19543704 20572320 21943808 22243821 24429630 24686784 25244160 26058272 27429760 29315556 29658428 30292992 30858480 32572840 32915712 36644445 37073035 37866240 39087408 41144640 43887616 44487642 48859260 49373568 50488320 52116544 54859520 58631112 59316856 61716960 65145680 65831424 66731463 73288890 74146070 75732480 78174816 82289280 88975284 97718520 98747136 104233088 109719040 111219105 117262224 118633712 123433920 130291360 131662848 133462926 140877533 146577780 148292140 151464960 156349632 164578560 177950568 195437040 197494272 208466176 219438080 222438210 234524448 237267424 246867840 260582720 266925852 281755066 293155560 296584280 312699264 329157120 333657315 355901136 390874080 394988544 416932352 422632599 444876420 469048896 474534848 493735680 521165440 533851704 563510132 586311120 593168560 625398528 658314240 667314630 704387665 711802272 781748160 833864704 845265198 889752840 938097792 949069696 987471360 1042330880 1067703408 1127020264 1172622240 1186337120 1250797056 1267897797 1334629260 1408775330 1423604544 1563496320 1690530396 1779505680 1876195584 1898139392 1974942720 2084661760 2113162995 2135406816 2254040528 2345244480 2372674240 2501594112 2535795594 2669258520 2817550660 2847209088 3126992640 3381060792 3559011360 3752391168 3796278784 4169323520 4226325990 4270813632 4508081056 4690488960 4745348480 5071591188 5338517040 5635101320 5694418176 6253985280 6339488985 6762121584 7118022720 7504782336 7592557568 8452651980 8541627264 9016162112 9380977920 9490696960 10143182376 10677034080 11270202640 11388836352 12507970560 12678977970 13524243168 14236045440 16905303960 17083254528 18032324224 18761955840 18981393920 20286364752 21354068160 22540405280 22777672704 25357955940 27048486336 28472090880 33810607920 34166509056 36064648448 37523911680 37962787840 40572729504 42708136320 45080810560 50715911880 54096972672 56944181760 67621215840 68333018112 72129296896 81145459008 85416272640 90161621120 101431823760 108193945344 113888363520 135242431680 144258593792 162290918016 170832545280 180323242240 202863647520 216387890688 270484863360 324581836032 341665090560 360646484480 405727295040 432775781376 540969726720 649163672064 721292968960 811454590080 1081939453440 1298327344128 1622909180160 2163878906880 3245818360320 6491636720640
• Sum of all divisors σ(n): 23814630964800
• Sum of proper divisors (its aliquot sum) s(n): 17322994244160
• 6491636720640 is an abundant number, because the sum of its proper divisors (17322994244160) is greater than itself. Its abundance is 10831357523520

Bases of 6491636720640

• Binary: 1011110011101110011101100110110010000000000₂
• Hexadecimal: 0x5E773B36400
• Base-36: 2AU7SW740

Squares and roots of 6491636720640

• 6491636720640 squared (6491636720640²) is 42141347312761653402009600
• 6491636720640 cubed (6491636720640³) is 273566317672767336112565899329798144000
• The square root of 6491636720640 is 2547869.0548456371
• The cube root of 6491636720640 is 18654.5482376195

Scales and comparisons

• 6,491,636,720,640 seconds is equal to 206,413 years, 50 weeks, 2 days, 6 hours, 24 minutes.
• To count from 1 to 6,491,636,720,640 would take you about five hundred sixteen thousand and thirty-four 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 6491636720640 cubic inches would be around 1554.5 feet tall.

Recreational maths with 6491636720640

• 6491636720640 backwards is 0460276361946
• The number of decimal digits it has is: 13
• The sum of 6491636720640's digits is 54
• More coming soon!