64742940990

Names of 64742940990

• Cardinal: 64742940990 can be written as Sixty-four billion, seven hundred forty-two million, nine hundred forty thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 6.474294099 × 10¹⁰

Factors of 64742940990

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1262

Divisors of 64742940990

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 5 6 7 9 10 13 14 15 18 19 21 26 30 35 38 39 42 45 49 57 63 65 70 78 90 91 95 98 105 114 117 126 130 133 147 171 182 190 195 210 234 245 247 266 273 285 294 315 342 343 390 399 441 455 490 494 546 570 585 630 637 665 686 735 741 798 819 855 882 910 931 1029 1170 1197 1213 1235 1274 1330 1365 1470 1482 1638 1710 1715 1729 1862 1911 1995 2058 2205 2223 2394 2401 2426 2470 2730 2793 3087 3185 3430 3458 3639 3705 3822 3990 4095 4410 4446 4459 4655 4802 5145 5187 5586 5733 5985 6065 6174 6370 6517 7203 7278 7410 8190 8379 8491 8645 8918 9310 9555 10290 10374 10917 11115 11466 11970 12005 12103 12130 13034 13377 13965 14406 15435 15561 15769 16758 16982 17290 18195 19110 19551 21609 21834 22230 22295 23047 24010 24206 25473 25935 26754 27930 28665 30870 31122 31213 31538 32585 36015 36309 36390 39102 40131 41895 42455 43218 44590 45619 46094 47307 50946 51870 54585 57330 58653 59437 60515 62426 65170 66885 69141 72030 72618 76419 77805 78845 80262 83790 84721 84910 91238 93639 94614 97755 108045 108927 109170 110383 115235 117306 118874 121030 127365 133770 136857 138282 141921 152838 155610 156065 157690 161329 169442 178311 181545 187278 195510 200655 207423 216090 217854 220766 228095 230470 236535 254163 254730 273714 280917 283842 293265 297185 299611 312130 322658 331149 345705 356622 363090 382095 401310 410571 414846 416059 423605 456190 468195 473070 483987 508326 534933 544635 551915 561834 586530 593047 594370 599222 662298 684285 691410 709605 762489 764190 772681 806645 821142 832118 847210 891555 898833 936390 967974 993447 1037115 1069866 1089270 1103830 1129303 1186094 1248177 1270815 1368570 1404585 1419210 1451961 1498055 1524978 1545362 1613290 1655745 1779141 1783110 1797666 1986894 2052855 2074230 2080295 2097277 2258606 2318043 2419935 2496354 2541630 2674665 2696499 2809170 2903922 2912413 2965235 2996110 3311490 3387909 3558282 3744531 3812445 3863405 4105710 4160590 4194554 4494165 4636086 4839870 4967235 5337423 5349330 5392998 5408767 5646515 5824826 5930470 6240885 6291831 6775818 6954129 7259805 7489062 7624890 7726810 7905121 8737239 8895705 8988330 9934470 10163727 10486385 10674846 10817534 11293030 11590215 12481770 12583662 13482495 13908258 14519610 14562065 14680939 15810242 16226301 16939545 17474478 17791410 18722655 18875493 20327454 20972770 23180430 23715363 26211717 26687115 26964990 27043835 29124130 29361878 31459155 32452602 33879090 34770645 37445310 37750986 37861369 39525605 43686195 44042817 47430726 48678903 50818635 52423434 53374230 54087670 55335847 62918310 69541290 71146089 73404695 75722738 79051210 81131505 87372390 88085634 94377465 97357806 101637270 102766573 110671694 113584107 118576815 131058585 132128451 142292178 146809390 162263010 166007541 188754930 189306845 205533146 220214085 227168214 237153630 243394515 262117170 264256902 276679235 308299719 332015082 340752321 355730445 378613690 440428170 486789030 498022623 513832865 553358470 567920535 616599438 660642255 681504642 711460890 719366011 830037705 924899157 996045246 1027665730 1135841070 1321284510 1438732022 1541498595 1660075410 1703761605 1849798314 2158098033 2490113115 3082997190 3407523210 3596830055 4316196066 4624495785 4980226230 6474294099 7193660110 9248991570 10790490165 12948588198 21580980330 32371470495 64742940990
• Sum of all divisors σ(n): 222795125280
• Sum of proper divisors (its aliquot sum) s(n): 158052184290
• 64742940990 is an abundant number, because the sum of its proper divisors (158052184290) is greater than itself. Its abundance is 93309243300

Bases of 64742940990

• Binary: 111100010010111110101110000100111110₂
• Hexadecimal: 0xF12FAE13E
• Base-36: TQQ9WZI

Squares and roots of 64742940990

• 64742940990 squared (64742940990²) is 4191648408034622180100
• 64742940990 cubed (64742940990³) is 271379645532212985683159452299000
• The square root of 64742940990 is 254446.3420644911
• The cube root of 64742940990 is 4015.4184289415

Scales and comparisons

• 64,742,940,990 seconds is equal to 2,058 years, 32 weeks, 3 days, 14 hours, 16 minutes, 30 seconds.
• To count from 1 to 64,742,940,990 would take you about four thousand, one hundred seventeen 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 64742940990 cubic inches would be around 334.6 feet tall.

Recreational maths with 64742940990

• 64742940990 backwards is 09904924746
• The number of decimal digits it has is: 11
• The sum of 64742940990's digits is 54
• More coming soon!