67428621215640

Names of 67428621215640

• Cardinal: 67428621215640 can be written as Sixty-seven trillion, four hundred twenty-eight billion, six hundred twenty-one million, two hundred fifteen thousand, six hundred forty.

Scientific notation

• Scientific notation: 6.742862121564 × 10¹³

Factors of 67428621215640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 92461

Divisors of 67428621215640

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 73 90 108 120 127 135 146 180 216 219 254 270 292 360 365 381 438 508 540 584 635 657 730 762 876 1016 1080 1095 1143 1270 1314 1460 1524 1752 1905 1971 2190 2286 2540 2628 2920 3048 3285 3429 3810 3942 4380 4572 5080 5256 5329 5715 6570 6858 7620 7884 8760 9144 9271 9855 10658 11430 13140 13716 15240 15768 15987 17145 18542 19710 21316 22860 26280 26645 27432 27813 31974 34290 37084 39420 42632 45720 46355 47961 53290 55626 63948 68580 74168 78840 79935 83439 92251 92710 95922 106580 111252 127896 137160 139065 143883 159870 166878 184502 185420 191844 213160 222504 239805 250317 276753 278130 287766 319740 333756 369004 370840 383688 417195 461255 479610 500634 553506 556260 575532 639480 667512 676783 719415 738008 830259 834390 922510 959220 1001268 1107012 1112520 1151064 1251585 1353566 1383765 1438830 1660518 1668780 1845020 1918440 2002536 2030349 2214024 2490777 2503170 2707132 2767530 2877660 3321036 3337560 3383915 3690040 4060698 4151295 4981554 5006340 5414264 5535060 5755320 6091047 6642072 6734323 6767830 8121396 8302590 9963108 10012680 10151745 11070120 11715877 12182094 12453885 13468646 13535660 16242792 16605180 18273141 19926216 20202969 20303490 23431754 24364188 24907770 26937292 27071320 30455235 33210360 33671615 35147631 36546282 40405938 40606980 46863508 48728376 49815540 53874584 58579385 60608907 60910470 67343230 70295262 73092564 80811876 81213960 91365705 93727016 99631080 101014845 105442893 117158770 121217814 121820940 134686460 140590524 146185128 161623752 175738155 181826721 182731410 202029690 210885786 234317540 242435628 243641880 269372920 281181048 303044535 316328679 351476310 363653442 365462820 404059380 421771572 468635080 484871256 491605579 527214465 606089070 632657358 702952620 727306884 730925640 808118760 843543144 855259021 909133605 983211158 1054428930 1212178140 1265314716 1405905240 1454613768 1474816737 1581643395 1710518042 1818267210 1966422316 2108857860 2424356280 2458027895 2530629432 2565777063 2949633474 3163286790 3421036084 3636534420 3932844632 4217715720 4276295105 4424450211 4916055790 5131554126 5899266948 6326573580 6842072168 7273068840 7374083685 7697331189 8552590210 8848900422 9832111580 10263108252 11798533896 12653147160 12828885315 13273350633 14748167370 15394662378 17105180420 17697800844 19664223160 20526216504 22122251055 23091993567 25657770630 26546701266 29496334740 30789324756 34210360840 35395601688 38486655945 44244502110 46183987134 51315541260 53093402532 58992669480 61578649512 62433908533 66366753165 76973311890 88489004220 92367974268 102631082520 106186805064 115459967835 124867817066 132733506330 153946623780 176978008440 184735948536 187301725599 230919935670 249735634132 265467012660 307893247560 312169542665 374603451198 461839871340 499471268264 530934025320 561905176797 624339085330 749206902396 923679742680 936508627995 1123810353594 1248678170660 1498413804792 1685715530391 1873017255990 2247620707188 2497356341320 2809525883985 3371431060782 3746034511980 4495241414376 5619051767970 6742862121564 7492069023960 8428577651955 11238103535940 13485724243128 16857155303910 22476207071880 33714310607820 67428621215640
• Sum of all divisors σ(n): 229680025804800
• Sum of proper divisors (its aliquot sum) s(n): 162251404589160
• 67428621215640 is an abundant number, because the sum of its proper divisors (162251404589160) is greater than itself. Its abundance is 94822783373520

Bases of 67428621215640

• Binary: 1111010101001101110011000000111110011110011000₂
• Hexadecimal: 0x3D537303E798
• Base-36: NWGA446U0

Squares and roots of 67428621215640

• 67428621215640 squared (67428621215640²) is 4546618959042256711380609600
• 67428621215640 cubed (67428621215640³) is 306572247601107763104261748709476254144000
• The square root of 67428621215640 is 8211493.2390911703
• The cube root of 67428621215640 is 40701.9071996623

Scales and comparisons

• 67,428,621,215,640 seconds is equal to 2,144,021 years, 30 weeks, 2 days, 15 hours, 54 minutes.
• To count from 1 to 67,428,621,215,640 would take you about five million, three hundred sixty thousand and fifty-three 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 67428621215640 cubic inches would be around 3391.8 feet tall.

Recreational maths with 67428621215640

• 67428621215640 backwards is 04651212682476
• 67428621215640 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 67428621215640's digits is 54
• More coming soon!