668671164144

Names of 668671164144

• Cardinal: 668671164144 can be written as Six hundred sixty-eight billion, six hundred seventy-one million, one hundred sixty-four thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 6.68671164144 × 10¹¹

Factors of 668671164144

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 208804

Divisors of 668671164144

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 41 48 54 72 82 108 123 144 164 181 216 246 328 362 369 432 492 543 656 724 738 984 1086 1107 1448 1476 1629 1968 2172 2214 2896 2952 3258 4344 4428 4887 5904 6516 7421 8688 8856 9774 13032 14842 17712 19548 22263 26064 29684 39096 44526 59368 66789 78192 89052 118736 133578 178104 200367 208577 267156 356208 400734 417154 534312 625731 801468 834308 1068624 1251462 1602936 1668616 1877193 2502924 3205872 3337232 3754386 5005848 5631579 7508772 8551657 10011696 11263158 15017544 17103314 22526316 25654971 30035088 34206628 37752437 45052632 51309942 68413256 75504874 76964913 90105264 102619884 113257311 136826512 151009748 153929826 205239768 226514622 230894739 302019496 307859652 339771933 410479536 453029244 461789478 604038992 615719304 679543866 906058488 923578956 1019315799 1231438608 1359087732 1547849917 1812116976 1847157912 2038631598 2718175464 3095699834 3694315824 4077263196 4643549751 5436350928 6191399668 8154526392 9287099502 12382799336 13930649253 16309052784 18574199004 24765598672 27861298506 37148398008 41791947759 55722597012 74296796016 83583895518 111445194024 167167791036 222890388048 334335582072 668671164144
• Sum of all divisors σ(n): 1977019087680
• Sum of proper divisors (its aliquot sum) s(n): 1308347923536
• 668671164144 is an abundant number, because the sum of its proper divisors (1308347923536) is greater than itself. Its abundance is 639676759392

Bases of 668671164144

• Binary: 1001101110101111111010000011111011110000₂
• Hexadecimal: 0x9BAFE83EF0
• Base-36: 8J6LJOC0

Squares and roots of 668671164144

• 668671164144 squared (668671164144²) is 447121125757692191252736
• 668671164144 cubed (668671164144³) is 298977003673771861587785274845097984
• The square root of 668671164144 is 817723.1586203243
• The cube root of 668671164144 is 8744.5513360431

Scales and comparisons

• 668,671,164,144 seconds is equal to 21,261 years, 35 weeks, 14 hours, 2 minutes, 24 seconds.
• To count from 1 to 668,671,164,144 would take you about forty-two thousand, five hundred twenty-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 668671164144 cubic inches would be around 728.7 feet tall.

Recreational maths with 668671164144

• 668671164144 backwards is 441461176866
• 668671164144 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 668671164144's digits is 54
• More coming soon!