668708513480

Names of 668708513480

• Cardinal: 668708513480 can be written as Six hundred sixty-eight billion, seven hundred eight million, five hundred thirteen thousand, four hundred eighty.

Scientific notation

• Scientific notation: 6.6870851348 × 10¹¹

Factors of 668708513480

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 131241

Divisors of 668708513480

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 8 10 14 19 20 28 35 38 40 49 56 70 76 95 98 133 137 140 152 190 196 245 266 274 280 380 392 490 532 548 665 685 760 931 959 980 1064 1096 1330 1370 1862 1918 1960 2603 2660 2740 3724 3836 4655 4795 5206 5320 5480 6713 7448 7672 9310 9590 10412 13015 13426 18221 18620 19180 20824 26030 26852 33565 36442 37240 38360 52060 53704 67130 72884 91105 104120 127547 131071 134260 145768 182210 255094 262142 268520 364420 510188 524284 637735 655355 728840 917497 1020376 1048568 1275470 1310710 1834994 2490349 2550940 2621420 3669988 4587485 4980698 5101880 5242840 6422479 7339976 9174970 9961396 12451745 12844958 17432443 17956727 18349940 19922792 24903490 25689916 32112395 34864886 35913454 36699880 49806980 51379832 64224790 69729772 71826908 87162215 89783635 99613960 122027101 125697089 128449580 139459544 143653816 174324430 179567270 244054202 251394178 256899160 341177813 348648860 359134540 488108404 502788356 610135505 628485445 682355626 697297720 718269080 879879623 976216808 1005576712 1220271010 1256970890 1364711252 1705889065 1759759246 2388244691 2440542020 2513941780 2729422504 3411778130 3519518492 4399398115 4776489382 4881084040 5027883560 6823556260 7039036984 8798796230 9552978764 11941223455 13647112520 16717712837 17597592460 19105957528 23882446910 33435425674 35195184920 47764893820 66870851348 83588564185 95529787640 133741702696 167177128370 334354256740 668708513480
• Sum of all divisors σ(n): 1855822233600
• Sum of proper divisors (its aliquot sum) s(n): 1187113720120
• 668708513480 is an abundant number, because the sum of its proper divisors (1187113720120) is greater than itself. Its abundance is 518405206640

Bases of 668708513480

• Binary: 1001101110110010001000100010011011001000₂
• Hexadecimal: 0x9BB22226C8
• Base-36: 8J77S79K

Squares and roots of 668708513480

• 668708513480 squared (668708513480²) is 447171076000631341710400
• 668708513480 cubed (668708513480³) is 299027105503634288056659504656192000
• The square root of 668708513480 is 817745.9956979309
• The cube root of 668708513480 is 8744.7141450703

Scales and comparisons

• 668,708,513,480 seconds is equal to 21,262 years, 44 weeks, 5 days, 20 hours, 51 minutes, 20 seconds.
• To count from 1 to 668,708,513,480 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 668708513480 cubic inches would be around 728.7 feet tall.

Recreational maths with 668708513480

• 668708513480 backwards is 084315807866
• 668708513480 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 668708513480's digits is 56
• More coming soon!