8121321335140

Names of 8121321335140

• Cardinal: 8121321335140 can be written as Eight trillion, one hundred twenty-one billion, three hundred twenty-one million, three hundred thirty-five thousand, one hundred forty.

Scientific notation

• Scientific notation: 8.12132133514 × 10¹²

Factors of 8121321335140

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 71616

Divisors of 8121321335140

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 10 13 17 20 26 34 37 52 65 68 74 85 130 148 170 185 221 260 340 370 442 481 629 701 740 884 962 1105 1258 1402 1924 2210 2405 2516 2804 3145 3505 4420 4810 6290 7010 8177 9113 9620 11917 12580 14020 16354 18226 23834 25937 32708 36452 40885 45565 47668 51874 59585 70841 81770 91130 103748 119170 129685 141682 154921 163540 182260 238340 259370 283364 309842 337181 354205 440929 518740 619684 674362 708410 774605 881858 920933 1204297 1348724 1416820 1549210 1685905 1763716 1841866 2204645 2408594 2621117 3098420 3371810 3683732 4409290 4604665 4817188 5242234 5732077 6021485 6743620 8818580 9209330 10484468 11464154 12042970 13105585 15655861 18418660 22928308 24085940 26211170 28660385 31311722 34074521 44558989 49659541 52422340 57320770 62623444 68149042 78279305 89117978 99319082 114641540 136298084 156558610 170372605 178235956 198638164 222794945 248297705 313117220 340745210 445589890 496595410 579266857 645574033 681490420 844212197 891179780 993190820 1158533714 1291148066 1688424394 1837403017 2317067428 2582296132 2896334285 3227870165 3376848788 3674806034 4221060985 5792668570 6455740330 7349612068 8442121970 9187015085 10974758561 11585337140 12911480660 16884243940 18374030170 21949517122 23886239221 31235851289 36748060340 43899034244 47772478442 54873792805 62471702578 95544956884 109747585610 119431196105 124943405156 156179256445 219495171220 238862392210 312358512890 406066066757 477724784420 624717025780 812132133514 1624264267028 2030330333785 4060660667570 8121321335140
• Sum of all divisors σ(n): 20001444136128
• Sum of proper divisors (its aliquot sum) s(n): 11880122800988
• 8121321335140 is an abundant number, because the sum of its proper divisors (11880122800988) is greater than itself. Its abundance is 3758801465848

Bases of 8121321335140

• Binary: 1110110001011100100011110010010100101100100₂
• Hexadecimal: 0x762E4792964
• Base-36: 2VMVT1BHG

Squares and roots of 8121321335140

• 8121321335140 squared (8121321335140²) is 65955860228600152198819600
• 8121321335140 cubed (8121321335140³) is 535648734852042213668524800604000744000
• The square root of 8121321335140 is 2849793.2091890457
• The cube root of 8121321335140 is 20100.5943036411

Scales and comparisons

• 8,121,321,335,140 seconds is equal to 258,232 years, 46 weeks, 4 days, 17 hours, 5 minutes, 40 seconds.
• To count from 1 to 8,121,321,335,140 would take you about six hundred forty-five thousand, five hundred eighty-two 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 8121321335140 cubic inches would be around 1675 feet tall.

Recreational maths with 8121321335140

• 8121321335140 backwards is 0415331231218
• 8121321335140 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 8121321335140's digits is 34
• More coming soon!