12987351080

Names of 12987351080

• Cardinal: 12987351080 can be written as Twelve billion, nine hundred eighty-seven million, three hundred fifty-one thousand and eighty.

Scientific notation

• Scientific notation: 1.298735108 × 10¹⁰

Factors of 12987351080

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 525

Divisors of 12987351080

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 11 20 22 40 44 53 55 88 106 110 121 197 212 220 242 257 265 394 424 440 484 514 530 583 605 788 968 985 1028 1060 1166 1210 1285 1576 1970 2056 2120 2167 2332 2420 2570 2827 2915 3940 4334 4664 4840 5140 5654 5830 6413 7880 8668 10280 10441 10835 11308 11660 12826 13621 14135 17336 20882 21670 22616 23320 23837 25652 27242 28270 31097 32065 41764 43340 47674 50629 51304 52205 54484 56540 62194 64130 68105 83528 86680 95348 101258 104410 108968 113080 114851 119185 124388 128260 136210 149831 155485 190696 202516 208820 229702 238370 248776 253145 256520 272420 299662 310970 405032 417640 459404 476740 506290 544840 556919 574255 599324 621940 749155 918808 953480 1012580 1113838 1148510 1198648 1243880 1263361 1498310 1648141 2025160 2227676 2297020 2526722 2683337 2784595 2996620 3296282 4455352 4594040 5053444 5366674 5569190 5993240 6126109 6316805 6592564 8240705 10106888 10733348 11138380 12252218 12633610 13185128 13416685 16481410 21466696 22276760 24504436 25267220 26833370 29516707 30630545 32962820 49008872 50534440 53666740 59033414 61261090 65925640 107333480 118066828 122522180 147583535 236133656 245044360 295167070 324683777 590334140 649367554 1180668280 1298735108 1623418885 2597470216 3246837770 6493675540 12987351080
• Sum of all divisors σ(n): 33019675920
• Sum of proper divisors (its aliquot sum) s(n): 20032324840
• 12987351080 is an abundant number, because the sum of its proper divisors (20032324840) is greater than itself. Its abundance is 7044973760

Bases of 12987351080

• Binary: 1100000110000110110100000000101000₂
• Hexadecimal: 0x3061B4028
• Base-36: 5YSC088

Squares and roots of 12987351080

• 12987351080 squared (12987351080²) is 168671288075177166400
• 12987351080 cubed (12987351080³) is 2190593235348143293236379712000
• The square root of 12987351080 is 113962.0598269441
• The cube root of 12987351080 is 2350.5718288545

Scales and comparisons

• 12,987,351,080 seconds is equal to 412 years, 49 weeks, 5 days, 13 hours, 31 minutes, 20 seconds.
• To count from 1 to 12,987,351,080 would take you about eight 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 12987351080 cubic inches would be around 195.9 feet tall.

Recreational maths with 12987351080

• 12987351080 backwards is 08015378921
• 12987351080 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12987351080's digits is 44
• More coming soon!