12990689400

Names of 12990689400

• Cardinal: 12990689400 can be written as Twelve billion, nine hundred ninety million, six hundred eighty-nine thousand, four hundred.

Scientific notation

• Scientific notation: 1.29906894 × 10¹⁰

Factors of 12990689400

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 353

Divisors of 12990689400

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 17 20 24 25 26 30 34 39 40 50 51 52 60 65 68 75 78 85 100 102 104 120 130 136 150 156 170 195 200 204 221 255 260 300 312 313 325 340 390 408 425 442 510 520 600 626 650 663 680 780 850 884 939 975 1020 1105 1252 1275 1300 1326 1560 1565 1700 1768 1878 1950 2040 2210 2504 2550 2600 2652 3130 3315 3400 3756 3900 4069 4420 4695 5100 5304 5321 5525 6260 6630 7512 7800 7825 8138 8840 9390 10200 10642 11050 12207 12520 13260 15650 15963 16276 16575 18780 20345 21284 22100 23475 24414 26520 26605 31300 31926 32552 33150 37560 40690 42568 44200 46950 48828 53210 61035 62600 63852 66300 69173 79815 81380 93900 97656 97969 101725 106420 122070 127704 132600 133025 138346 159630 162760 187800 195938 203450 207519 212840 244140 266050 276692 293907 305175 319260 345865 391876 399075 406900 415038 488280 489845 532100 553384 587814 610350 638520 691730 783752 798150 813800 830076 979690 1037595 1064200 1175628 1220700 1273597 1383460 1469535 1596300 1660152 1665473 1729325 1959380 2075190 2351256 2441400 2449225 2547194 2766920 2939070 3192600 3330946 3458650 3820791 3918760 4150380 4898450 4996419 5094388 5187975 5878140 6367985 6661892 6917300 7347675 7641582 8300760 8327365 9796900 9992838 10188776 10375950 11756280 12735970 13323784 13834600 14695350 15283164 16654730 19103955 19593800 19985676 20751900 21651149 24982095 25471940 29390700 30566328 31839925 33309460 38207910 39971352 41503800 41636825 43302298 49964190 50943880 58781400 63679850 64953447 66618920 76415820 83273650 86604596 95519775 99928380 108255745 124910475 127359700 129906894 152831640 166547300 173209192 191039550 199856760 216511490 249820950 254719400 259813788 324767235 333094600 382079100 433022980 499641900 519627576 541278725 649534470 764158200 866045960 999283800 1082557450 1299068940 1623836175 2165114900 2598137880 3247672350 4330229800 6495344700 12990689400
• Sum of all divisors σ(n): 46067207760
• Sum of proper divisors (its aliquot sum) s(n): 33076518360
• 12990689400 is an abundant number, because the sum of its proper divisors (33076518360) is greater than itself. Its abundance is 20085828960

Bases of 12990689400

• Binary: 1100000110010011100011000001111000₂
• Hexadecimal: 0x3064E3078
• Base-36: 5YUBK3C

Squares and roots of 12990689400

• 12990689400 squared (12990689400²) is 168758011087272360000
• 12990689400 cubed (12990689400³) is 2192282905796511521964984000000
• The square root of 12990689400 is 113976.7055147673
• The cube root of 12990689400 is 2350.7732116885

Scales and comparisons

• 12,990,689,400 seconds is equal to 413 years, 3 weeks, 2 days, 4 hours, 50 minutes.
• To count from 1 to 12,990,689,400 would take you about eight hundred twenty-six 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 12990689400 cubic inches would be around 195.9 feet tall.

Recreational maths with 12990689400

• 12990689400 backwards is 00498609921
• The number of decimal digits it has is: 11
• The sum of 12990689400's digits is 48
• More coming soon!