668694272000

Names of 668694272000

• Cardinal: 668694272000 can be written as Six hundred sixty-eight billion, six hundred ninety-four million, two hundred seventy-two thousand.

Scientific notation

• Scientific notation: 6.68694272 × 10¹¹

Factors of 668694272000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 367

Divisors of 668694272000

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 8 10 16 20 23 25 32 40 46 50 64 80 92 100 115 125 128 160 184 200 230 250 256 320 337 368 400 460 500 512 575 640 674 736 800 920 1000 1024 1150 1280 1348 1472 1600 1685 1840 2000 2048 2300 2560 2696 2875 2944 3200 3370 3680 4000 4600 5120 5392 5750 5888 6400 6740 7360 7751 8000 8425 9200 10240 10784 11500 11776 12800 13480 14720 15502 16000 16850 18400 21568 23000 23552 25600 26960 29440 31004 32000 33700 36800 38755 42125 43136 46000 47104 51200 53920 58880 62008 64000 67400 73600 77510 84250 86272 92000 107840 113569 117760 124016 128000 134800 147200 155020 168500 172544 184000 193775 215680 227138 235520 248032 256000 269600 294400 310040 337000 345088 368000 387550 431360 454276 496064 539200 567845 588800 620080 674000 690176 736000 775100 862720 908552 968875 992128 1078400 1135690 1177600 1240160 1348000 1472000 1550200 1725440 1817104 1937750 1984256 2156800 2271380 2480320 2612087 2696000 2839225 2944000 3100400 3450880 3634208 3875500 3968512 4313600 4542760 4960640 5224174 5392000 5678450 5888000 6200800 7268416 7751000 7937024 8627200 9085520 9921280 10448348 10784000 11356900 12401600 13060435 14196125 14536832 15502000 15874048 17254400 18171040 19842560 20896696 21568000 22713800 24803200 26120870 28392250 29073664 31004000 36342080 39685120 41793392 43136000 45427600 49606400 52241740 56784500 58147328 62008000 65302175 72684160 79370240 83586784 86272000 90855200 99212800 104483480 113569000 116294656 124016000 130604350 145368320 167173568 181710400 198425600 208966960 227138000 232589312 248032000 261208700 290736640 326510875 334347136 363420800 396851200 417933920 454276000 496064000 522417400 581473280 653021750 668694272 726841600 835867840 908552000 992128000 1044834800 1162946560 1306043500 1337388544 1453683200 1671735680 1817104000 1984256000 2089669600 2612087000 2674777088 2907366400 3343471360 3634208000 4179339200 5224174000 5349554176 5814732800 6686942720 7268416000 8358678400 10448348000 13373885440 14536832000 16717356800 20896696000 26747770880 29073664000 33434713600 41793392000 66869427200 83586784000 133738854400 167173568000 334347136000 668694272000
• Sum of all divisors σ(n): 1746385673760
• Sum of proper divisors (its aliquot sum) s(n): 1077691401760
• 668694272000 is an abundant number, because the sum of its proper divisors (1077691401760) is greater than itself. Its abundance is 408997129760

Bases of 668694272000

• Binary: 1001101110110001010010001101100000000000₂
• Hexadecimal: 0x9BB148D800
• Base-36: 8J6ZAYGW

Squares and roots of 668694272000

• 668694272000 squared (668694272000²) is 447152029405609984000000
• 668694272000 cubed (668694272000³) is 299008000776706960966811648000000000
• The square root of 668694272000 is 817737.2878865193
• The cube root of 668694272000 is 8744.6520659265

Scales and comparisons

• 668,694,272,000 seconds is equal to 21,262 years, 21 weeks, 2 days, 53 minutes, 20 seconds.
• To count from 1 to 668,694,272,000 would take you about forty-two thousand, five hundred twenty-four 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 668694272000 cubic inches would be around 728.7 feet tall.

Recreational maths with 668694272000

• 668694272000 backwards is 000272496866
• 668694272000 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 668694272000's digits is 50
• More coming soon!