12972005280

Names of 12972005280

• Cardinal: 12972005280 can be written as Twelve billion, nine hundred seventy-two million, five thousand, two hundred eighty.

Scientific notation

• Scientific notation: 1.297200528 × 10¹⁰

Factors of 12972005280

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 12199

Divisors of 12972005280

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 19 20 24 26 27 30 32 36 38 39 40 45 48 52 54 57 60 65 72 76 78 80 90 95 96 104 108 114 117 120 130 135 144 152 156 160 171 180 190 195 208 216 228 234 240 247 260 270 285 288 304 312 342 351 360 380 390 416 432 456 468 480 494 513 520 540 570 585 608 624 684 702 720 741 760 780 855 864 912 936 988 1026 1040 1080 1140 1170 1235 1248 1368 1404 1440 1482 1520 1560 1710 1755 1824 1872 1976 2052 2080 2160 2223 2280 2340 2470 2565 2736 2808 2964 3040 3120 3420 3510 3705 3744 3952 4104 4320 4446 4560 4680 4940 5130 5472 5616 5928 6240 6669 6840 7020 7410 7904 8208 8892 9120 9360 9880 10260 11115 11232 11856 12157 13338 13680 14040 14820 16416 17784 18720 19760 20520 22230 23712 24314 26676 27360 28080 29640 33345 35568 36471 39520 41040 44460 48628 53352 56160 59280 60785 66690 71136 72942 82080 88920 97256 106704 109413 118560 121570 133380 145884 158041 177840 182355 194512 213408 218826 230983 243140 266760 291768 316082 328239 355680 364710 389024 437652 461966 474123 486280 533520 547065 583536 632164 656478 692949 729420 790205 875304 923932 948246 972560 1067040 1094130 1154915 1167072 1264328 1312956 1385898 1422369 1458840 1580410 1641195 1750608 1847864 1896492 1945120 2078847 2188260 2309830 2370615 2528656 2625912 2771796 2844738 2917680 3002779 3160820 3282390 3464745 3501216 3695728 3792984 4157694 4267107 4376520 4619660 4741230 5057312 5251824 5543592 5689476 5835360 6005558 6236541 6321640 6564780 6929490 7111845 7391456 7585968 8315388 8534214 8753040 9008337 9239320 9482460 10394235 10503648 11087184 11378952 12011116 12473082 12643280 13129560 13858980 14223690 15013895 15171936 16630776 17068428 17506080 18016674 18478640 18964920 20788470 21335535 22174368 22757904 24022232 24946164 25286560 26259120 27025011 27717960 28447380 30027790 31182705 33261552 34136856 36033348 36957280 37929840 41576940 42671070 45041685 45515808 48044464 49892328 52518240 54050022 55435920 56894760 60055580 62365410 66523104 68273712 72066696 75859680 81075033 83153880 85342140 90083370 96088928 99784656 108100044 110871840 113789520 120111160 124730820 135125055 136547424 144133392 162150066 166307760 170684280 180166740 199569312 216200088 227579040 240222320 249461640 270250110 288266784 324300132 332615520 341368560 360333480 405375165 432400176 480444640 498923280 540500220 648600264 682737120 720666960 810750330 864800352 997846560 1081000440 1297200528 1441333920 1621500660 2162000880 2594401056 3243001320 4324001760 6486002640 12972005280
• Sum of all divisors σ(n): 51472108800
• Sum of proper divisors (its aliquot sum) s(n): 38500103520
• 12972005280 is an abundant number, because the sum of its proper divisors (38500103520) is greater than itself. Its abundance is 25528098240

Bases of 12972005280

• Binary: 1100000101001100010001011110100000₂
• Hexadecimal: 0x3053117A0
• Base-36: 5YJ73C0

Squares and roots of 12972005280

• 12972005280 squared (12972005280²) is 168272920984347878400
• 12972005280 cubed (12972005280³) is 2182837219489983475961597952000
• The square root of 12972005280 is 113894.7113785359
• The cube root of 12972005280 is 2349.6456553401

Scales and comparisons

• 12,972,005,280 seconds is equal to 412 years, 24 weeks, 2 days, 22 hours, 48 minutes.
• To count from 1 to 12,972,005,280 would take you about eight hundred twenty-four 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 12972005280 cubic inches would be around 195.8 feet tall.

Recreational maths with 12972005280

• 12972005280 backwards is 08250027921
• 12972005280 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12972005280's digits is 36
• More coming soon!