668700644800

Names of 668700644800

• Cardinal: 668700644800 can be written as Six hundred sixty-eight billion, seven hundred million, six hundred forty-four thousand, eight hundred.

Scientific notation

• Scientific notation: 6.687006448 × 10¹¹

Factors of 668700644800

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 267

Divisors of 668700644800

• Number of divisors d(n): 210
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 37 40 50 64 74 80 100 148 160 185 200 223 296 320 370 400 446 592 740 800 892 925 1115 1184 1369 1480 1600 1784 1850 2230 2368 2738 2960 3568 3700 4460 5476 5575 5920 6845 7136 7400 8251 8920 10952 11150 11840 13690 14272 14800 16502 17840 21904 22300 27380 29600 33004 34225 35680 41255 43808 44600 50653 54760 59200 66008 68450 71360 82510 87616 89200 101306 109520 132016 136900 165020 178400 202612 206275 219040 253265 264032 273800 305287 330040 356800 405224 412550 438080 506530 528064 547600 610574 660080 810448 825100 1013060 1095200 1221148 1266325 1320160 1526435 1620896 1650200 1874161 2026120 2190400 2442296 2532650 2640320 3052870 3241792 3300400 3748322 4052240 4884592 5065300 6105740 6600800 7496644 7632175 8104480 9370805 9769184 10130600 11295619 12211480 13201600 14993288 15264350 16208960 18741610 19538368 20261200 22591238 24422960 29986576 30528700 37483220 40522400 45182476 46854025 48845920 56478095 59973152 61057400 74966440 81044800 90364952 93708050 97691840 112956190 119946304 122114800 149932880 180729904 187416100 225912380 244229600 282390475 299865760 361459808 374832200 417937903 451824760 488459200 564780950 599731520 722919616 749664400 835875806 903649520 1129561900 1499328800 1671751612 1807299040 2089689515 2259123800 2998657600 3343503224 3614598080 4179379030 4518247600 6687006448 8358758060 9036495200 10448447575 13374012896 16717516120 18072990400 20896895150 26748025792 33435032240 41793790300 66870064480 83587580600 133740128960 167175161200 334350322400 668700644800
• Sum of all divisors σ(n): 1698711185248
• Sum of proper divisors (its aliquot sum) s(n): 1030010540448
• 668700644800 is an abundant number, because the sum of its proper divisors (1030010540448) is greater than itself. Its abundance is 361309895648

Bases of 668700644800

• Binary: 1001101110110001101010100001010111000000₂
• Hexadecimal: 0x9BB1AA15C0
• Base-36: 8J733JR4

Squares and roots of 668700644800

• 668700644800 squared (668700644800²) is 447160552355935767040000
• 668700644800 cubed (668700644800³) is 299016549689538406527030587392000000
• The square root of 668700644800 is 817741.1844832077
• The cube root of 668700644800 is 8744.6798453089

Scales and comparisons

• 668,700,644,800 seconds is equal to 21,262 years, 31 weeks, 5 days, 19 hours, 6 minutes, 40 seconds.
• To count from 1 to 668,700,644,800 would take you about forty-two thousand, five hundred twenty-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 668700644800 cubic inches would be around 728.7 feet tall.

Recreational maths with 668700644800

• 668700644800 backwards is 008446007866
• The number of decimal digits it has is: 12
• The sum of 668700644800's digits is 49
• More coming soon!