12439665680

Names of 12439665680

• Cardinal: 12439665680 can be written as Twelve billion, four hundred thirty-nine million, six hundred sixty-five thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.243966568 × 10¹⁰

Factors of 12439665680

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 209

Divisors of 12439665680

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 8 10 13 16 17 20 26 34 40 41 52 65 68 80 82 85 104 130 131 136 164 170 205 208 221 260 262 272 328 340 410 442 520 524 533 655 656 680 697 820 884 1040 1048 1066 1105 1310 1360 1394 1640 1703 1768 2096 2132 2210 2227 2620 2665 2788 3280 3406 3485 3536 4264 4420 4454 5240 5330 5371 5576 6812 6970 8515 8528 8840 8908 9061 10480 10660 10742 11135 11152 13624 13940 17030 17161 17680 17816 18122 21320 21484 22270 26855 27248 27880 28951 34060 34322 35632 36244 42640 42968 44540 45305 53710 55760 57902 68120 68644 69823 72488 85805 85936 89080 90610 91307 107420 115804 136240 137288 139646 144755 144976 171610 178160 181220 182614 214840 223093 231608 274576 279292 289510 291737 343220 349115 362440 365228 429680 446186 456535 463216 558584 579020 583474 686440 698230 703601 724880 730456 892372 913070 1115465 1117168 1158040 1166948 1186991 1372880 1396460 1407202 1458685 1460912 1784744 1826140 2230930 2316080 2333896 2373982 2792920 2814404 2917370 3518005 3569488 3652280 3792581 4461860 4667792 4747964 5585840 5628808 5834740 5934955 7036010 7304560 7585162 8923720 9146813 9495928 11257616 11669480 11869910 11961217 14072020 15170324 17847440 18293626 18962905 18991856 23338960 23739820 23922434 28144040 30340648 36587252 37925810 45734065 47479640 47844868 56288080 59806085 60681296 73174504 75851620 91468130 94959280 95689736 119612170 146349008 151703240 155495821 182936260 191379472 239224340 303406480 310991642 365872520 478448680 621983284 731745040 777479105 956897360 1243966568 1554958210 2487933136 3109916420 6219832840 12439665680
• Sum of all divisors σ(n): 34043414832
• Sum of proper divisors (its aliquot sum) s(n): 21603749152
• 12439665680 is an abundant number, because the sum of its proper divisors (21603749152) is greater than itself. Its abundance is 9164083472

Bases of 12439665680

• Binary: 1011100101011101100011110000010000₂
• Hexadecimal: 0x2E5763C10
• Base-36: 5PQ97GW

Squares and roots of 12439665680

• 12439665680 squared (12439665680²) is 154745282230169862400
• 12439665680 cubed (12439665680³) is 1924979576500557897867602432000
• The square root of 12439665680 is 111533.2492129589
• The cube root of 12439665680 is 2317.0544316043

Scales and comparisons

• 12,439,665,680 seconds is equal to 395 years, 28 weeks, 1 day, 14 hours, 41 minutes, 20 seconds.
• To count from 1 to 12,439,665,680 would take you about seven hundred ninety-one 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 12439665680 cubic inches would be around 193.1 feet tall.

Recreational maths with 12439665680

• 12439665680 backwards is 08656693421
• The number of decimal digits it has is: 11
• The sum of 12439665680's digits is 50
• More coming soon!