67138984640

Names of 67138984640

• Cardinal: 67138984640 can be written as Sixty-seven billion, one hundred thirty-eight million, nine hundred eighty-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 6.713898464 × 10¹⁰

Factors of 67138984640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 461

Divisors of 67138984640

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 49 52 56 64 65 70 80 91 98 104 112 130 140 160 182 196 208 211 223 224 245 260 280 320 343 364 392 416 422 446 448 455 490 520 560 637 686 728 784 832 844 892 910 980 1040 1055 1115 1120 1274 1372 1456 1477 1561 1568 1688 1715 1784 1820 1960 2080 2110 2230 2240 2548 2743 2744 2899 2912 2954 3122 3136 3185 3376 3430 3568 3640 3920 4160 4220 4459 4460 5096 5486 5488 5798 5824 5908 6244 6370 6752 6860 7136 7280 7385 7805 7840 8440 8918 8920 10192 10339 10927 10972 10976 11596 11816 12488 12740 13504 13715 13720 14272 14495 14560 14770 15610 15680 16880 17836 17840 19201 20293 20384 20678 21854 21944 21952 22295 23192 23632 24976 25480 27430 27440 28990 29120 29540 31220 33760 35672 35680 38402 40586 40768 41356 43708 43888 44590 46384 47053 47264 49952 50960 51695 54635 54860 54880 57980 59080 62440 67520 71344 71360 72373 76489 76804 81172 82712 87416 87776 89180 92768 94106 94528 96005 99904 101465 101920 103390 109270 109720 109760 115960 118160 124880 134407 142051 142688 144746 152978 153608 162344 165424 174832 175552 178360 185536 188212 192010 202930 203840 206780 218540 219440 231920 235265 236320 249760 268814 284102 285376 289492 305956 307216 324688 329371 330848 349664 356720 361865 376424 382445 384020 405860 413560 437080 438880 463840 470530 472640 499520 537628 568204 578984 611689 611912 614432 649376 658742 661696 672035 699328 710255 713440 723730 752848 764890 768040 811720 827120 874160 877760 927680 940849 941060 994357 1075256 1136408 1157968 1223378 1223824 1228864 1298752 1317484 1344070 1420510 1426880 1447460 1505696 1529780 1536080 1623440 1646855 1654240 1748320 1881698 1882120 1988714 2150512 2272816 2305597 2315936 2446756 2447648 2634968 2688140 2841020 2894920 3011392 3058445 3059560 3072160 3246880 3293710 3308480 3496640 3763396 3764240 3977428 4281823 4301024 4545632 4611194 4631872 4704245 4893512 4895296 4971785 5269936 5376280 5682040 5789840 6116890 6119120 6144320 6493760 6587420 7526792 7528480 7954856 8563646 8602048 9091264 9222388 9408490 9787024 9943570 10539872 10752560 11364080 11527985 11579680 12233780 12238240 13174840 15053584 15056960 15909712 16139179 17127292 18444776 18816980 19574048 19887140 21079744 21409115 21505120 22728160 23055970 23159360 24467560 24476480 26349680 29972761 30107168 31819424 32278358 34254584 36889552 37633960 39148096 39774280 42818230 43010240 45456320 46111940 48935120 52699360 59945522 60214336 63638848 64556716 68509168 73779104 75267920 79548560 80695895 85636460 92223880 97870240 105398720 119891044 129113432 137018336 147558208 149863805 150535840 159097120 161391790 171272920 184447760 195740480 209809327 239782088 258226864 274036672 299727610 301071680 318194240 322783580 342545840 368895520 419618654 479564176 516453728 599455220 645567160 685091680 737791040 839237308 959128352 1032907456 1049046635 1198910440 1291134320 1370183360 1678474616 1918256704 2098093270 2397820880 2582268640 3356949232 4196186540 4795641760 5164537280 6713898464 8392373080 9591283520 13427796928 16784746160 33569492320 67138984640
• Sum of all divisors σ(n): 202640793600
• Sum of proper divisors (its aliquot sum) s(n): 135501808960
• 67138984640 is an abundant number, because the sum of its proper divisors (135501808960) is greater than itself. Its abundance is 68362824320

Bases of 67138984640

• Binary: 111110100001110010111001101011000000₂
• Hexadecimal: 0xFA1CB9AC0
• Base-36: UUCTG3K

Squares and roots of 67138984640

• 67138984640 squared (67138984640²) is 4507643258490155929600
• 67138984640 cubed (67138984640³) is 302638591494370128548619321344000
• The square root of 67138984640 is 259111.9152798653
• The cube root of 67138984640 is 4064.3545826461

Scales and comparisons

• 67,138,984,640 seconds is equal to 2,134 years, 42 weeks, 1 day, 13 hours, 57 minutes, 20 seconds.
• To count from 1 to 67,138,984,640 would take you about four thousand, two hundred sixty-nine 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 67138984640 cubic inches would be around 338.7 feet tall.

Recreational maths with 67138984640

• 67138984640 backwards is 04648983176
• 67138984640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 67138984640's digits is 56
• More coming soon!