668306720000

Names of 668306720000

• Cardinal: 668306720000 can be written as Six hundred sixty-eight billion, three hundred six million, seven hundred twenty thousand.

Scientific notation

• Scientific notation: 6.6830672 × 10¹¹

Factors of 668306720000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 270

Divisors of 668306720000

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 25 32 34 40 50 64 68 80 85 97 100 125 128 136 149 160 170 194 200 250 256 272 289 298 320 340 388 400 425 485 500 544 578 596 625 640 680 745 776 800 850 970 1000 1088 1156 1192 1250 1280 1360 1445 1490 1552 1600 1649 1700 1940 2000 2125 2176 2312 2384 2425 2500 2533 2720 2890 2980 3104 3200 3298 3400 3725 3880 4000 4250 4352 4624 4768 4850 5000 5066 5440 5780 5960 6208 6400 6596 6800 7225 7450 7760 8000 8245 8500 9248 9536 9700 10000 10132 10625 10880 11560 11920 12125 12416 12665 13192 13600 14450 14453 14900 15520 16000 16490 17000 18496 18625 19072 19400 20000 20264 21250 21760 23120 23840 24250 24832 25330 26384 27200 28033 28900 28906 29800 31040 32000 32980 34000 36125 36992 37250 38144 38800 40000 40528 41225 42500 43061 46240 47680 48500 50660 52768 54400 56066 57800 57812 59600 60625 62080 63325 65960 68000 72250 72265 73984 74500 77600 80000 81056 82450 85000 86122 92480 93125 95360 97000 101320 105536 108800 112132 115600 115624 119200 121250 124160 126650 131920 136000 140165 144500 144530 149000 155200 160000 162112 164900 170000 172244 180625 184960 186250 190720 194000 202640 206125 211072 215305 224264 231200 231248 238400 242500 245701 253300 263840 272000 280330 289000 289060 298000 310400 316625 324224 329800 340000 344488 361250 361325 369920 372500 388000 405280 412250 422144 430610 448528 462400 462496 476800 485000 491402 506600 527680 544000 560660 578000 578120 596000 620800 633250 648448 659600 680000 688976 700825 722500 722650 745000 776000 810560 824500 861220 897056 924800 924992 953600 970000 982804 1013200 1030625 1055360 1076525 1121320 1156000 1156240 1192000 1228505 1266500 1319200 1360000 1377952 1401650 1445000 1445300 1490000 1552000 1583125 1621120 1649000 1722440 1794112 1806625 1849600 1849984 1940000 1965608 2026400 2061250 2110720 2153050 2242640 2312000 2312480 2384000 2457010 2533000 2638400 2720000 2755904 2803300 2890000 2890600 2980000 3104000 3166250 3242240 3298000 3444880 3504125 3588224 3613250 3699968 3880000 3931216 4052800 4122500 4176917 4306100 4485280 4624000 4624960 4768000 4914020 5066000 5276800 5382625 5511808 5606600 5780000 5781200 5960000 6142525 6332500 6596000 6889760 7008250 7176448 7226500 7760000 7862432 8105600 8245000 8353834 8612200 8970560 9033125 9248000 9249920 9828040 10132000 10553600 10765250 11023616 11213200 11560000 11562400 11920000 12285050 12665000 13192000 13779520 14016500 14453000 15520000 15724864 16211200 16490000 16707668 17224400 17520625 17941120 18066250 18499840 19656080 20264000 20884585 21530500 22426400 23120000 23124800 23840000 24570100 25330000 26384000 26913125 27559040 28033000 28906000 30712625 31449728 32980000 33415336 34448800 35041250 35882240 36132500 39312160 40528000 41769170 43061000 44852800 46240000 46249600 49140200 50660000 52768000 53826250 55118080 56066000 57812000 61425250 62899456 65960000 66830672 68897600 70082500 72265000 78624320 81056000 83538340 86122000 89705600 92499200 98280400 101320000 104422925 107652500 112132000 115624000 122850500 131920000 133661344 137795200 140165000 144530000 153563125 157248640 167076680 172244000 179411200 196560800 202640000 208845850 215305000 224264000 231248000 245701000 263840000 267322688 275590400 280330000 289060000 307126250 314497280 334153360 344488000 393121600 405280000 417691700 430610000 448528000 462496000 491402000 522114625 534645376 560660000 578120000 614252500 668306720 688976000 786243200 835383400 861220000 897056000 982804000 1044229250 1069290752 1121320000 1156240000 1228505000 1336613440 1377952000 1572486400 1670766800 1722440000 1965608000 2088458500 2242640000 2312480000 2457010000 2610573125 2673226880 3341533600 3444880000 3931216000 4176917000 4485280000 4914020000 5221146250 5346453760 6683067200 6889760000 7862432000 8353834000 9828040000 10442292500 13366134400 16707668000 19656080000 20884585000 26732268800 33415336000 39312160000 41769170000 66830672000 83538340000 133661344000 167076680000 334153360000 668306720000
• Sum of all divisors σ(n): 1801057773900
• Sum of proper divisors (its aliquot sum) s(n): 1132751053900
• 668306720000 is an abundant number, because the sum of its proper divisors (1132751053900) is greater than itself. Its abundance is 464444333900

Bases of 668306720000

• Binary: 1001101110011010001011110100010100000000₂
• Hexadecimal: 0x9B9A2F4500
• Base-36: 8J0KKDFK

Squares and roots of 668306720000

• 668306720000 squared (668306720000²) is 446633871997158400000000
• 668306720000 cubed (668306720000³) is 298488418035320779624448000000000000
• The square root of 668306720000 is 817500.2874617231
• The cube root of 668306720000 is 8742.9623738069

Scales and comparisons

• 668,306,720,000 seconds is equal to 21,250 years, 4 weeks, 3 days, 11 hours, 33 minutes, 20 seconds.
• To count from 1 to 668,306,720,000 would take you about forty-two thousand, five hundred 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 668306720000 cubic inches would be around 728.6 feet tall.

Recreational maths with 668306720000

• 668306720000 backwards is 000027603866
• The number of decimal digits it has is: 12
• The sum of 668306720000's digits is 38
• More coming soon!