68168840040
68,168,840,040 is an even composite number composed of seven prime numbers multiplied together.
68168840040 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 68168840040:
23 × 32 × 5 × 7 × 31 × 127 × 6871
(2 × 2 × 2 × 3 × 3 × 5 × 7 × 31 × 127 × 6871)See below for interesting mathematical facts about the number 68168840040 from the Numbermatics database.
Names of 68168840040
- Cardinal: 68168840040 can be written as Sixty-eight billion, one hundred sixty-eight million, eight hundred forty thousand and forty.
Scientific notation
- Scientific notation: 6.816884004 × 1010
Factors of 68168840040
Divisors of 68168840040
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 31 35 36 40 42 45 56 60 62 63 70 72 84 90 93 105 120 124 126 127 140 155 168 180 186 210 217 248 252 254 279 280 310 315 360 372 381 420 434 465 504 508 558 620 630 635 651 744 762 840 868 889 930 1016 1085 1116 1143 1240 1260 1270 1302 1395 1524 1736 1778 1860 1905 1953 2170 2232 2286 2520 2540 2604 2667 2790 3048 3255 3556 3720 3810 3906 3937 4340 4445 4572 5080 5208 5334 5580 5715 6510 6871 7112 7620 7812 7874 8001 8680 8890 9144 9765 10668 11160 11430 11811 13020 13335 13742 15240 15624 15748 16002 17780 19530 19685 20613 21336 22860 23622 26040 26670 27484 27559 31496 32004 34355 35433 35560 39060 39370 40005 41226 45720 47244 48097 53340 54968 55118 59055 61839 64008 68710 70866 78120 78740 80010 82452 82677 94488 96194 103065 106680 110236 118110 123678 137420 137795 141732 144291 157480 160020 164904 165354 177165 192388 206130 213001 220472 236220 240485 247356 248031 274840 275590 283464 288582 309195 320040 330708 354330 384776 412260 413385 426002 432873 472440 480970 494712 496062 551180 577164 618390 639003 661416 708660 721455 824520 826770 852004 865746 872617 961940 992124 1065005 1102360 1154328 1236780 1240155 1278006 1417320 1442910 1491007 1653540 1704008 1731492 1745234 1917009 1923880 1984248 2130010 2164365 2473560 2480310 2556012 2617851 2885820 2982014 3195015 3307080 3462984 3490468 3834018 4260020 4328730 4363085 4473021 4960620 5112024 5235702 5771640 5964028 6108319 6390030 6980936 7455035 7668036 7853553 8520040 8657460 8726170 8946042 9585045 9921240 10471404 11928056 12216638 12780060 13089255 13419063 14910070 15336072 15707106 17314920 17452340 17892084 18324957 19170090 20942808 22365105 24433276 25560120 26178510 26838126 27051127 29820140 30541595 31414212 34904680 35784168 36649914 38340180 39267765 44730210 48866552 52357020 53676252 54102254 54974871 59640280 61083190 62828424 67095315 73299828 76680360 78535530 81153381 89460420 91624785 104714040 107352504 108204508 109949742 122166380 134190630 135255635 146599656 157071060 162306762 178920840 183249570 189357889 216409016 219899484 243460143 244332760 268381260 270511270 274874355 314142120 324613524 366499140 378715778 405766905 439798968 486920286 536762520 541022540 549748710 568073667 649227048 732998280 757431556 811533810 946789445 973840572 1082045080 1099497420 1136147334 1217300715 1514863112 1623067620 1704221001 1893578890 1947681144 2198994840 2272294668 2434601430 2840368335 3246135240 3408442002 3787157780 4544589336 4869202860 5680736670 6816884004 7574315560 8521105005 9738405720 11361473340 13633768008 17042210010 22722946680 34084420020 68168840040
- Sum of all divisors σ(n): 263462584320
- Sum of proper divisors (its aliquot sum) s(n): 195293744280
- 68168840040 is an abundant number, because the sum of its proper divisors (195293744280) is greater than itself. Its abundance is 127124904240
Bases of 68168840040
- Binary: 1111110111110010110111110011011010002
- Hexadecimal: 0xFDF2DF368
- Base-36: VBDYTM0
Squares and roots of 68168840040
- 68168840040 squared (681688400402) is 4646990752399107201600
- 68168840040 cubed (681688400403) is 316779969267653985064682432064000
-
The
square root of 68168840040 is 261091.6315012797 -
The
cube root of 68168840040 is 4085.0304804747
Scales and comparisons
How big is 68168840040?- 68,168,840,040 seconds is equal to 2,167 years, 29 weeks, 4 hours, 54 minutes.
-
To count from 1 to 68,168,840,040 would take you about four thousand, three hundred thirty-five 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 68168840040 cubic inches would be around 340.4 feet tall.
Recreational maths with 68168840040
- 68168840040 backwards is 04004886186
- 68168840040 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 68168840040's digits is 45
- More coming soon!
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