21308446544

Names of 21308446544

• Cardinal: 21308446544 can be written as Twenty-one billion, three hundred eight million, four hundred forty-six thousand, five hundred forty-four.

Scientific notation

• Scientific notation: 2.1308446544 × 10¹⁰

Factors of 21308446544

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 291

Divisors of 21308446544

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 7 8 11 14 16 17 22 28 34 44 49 56 68 73 77 88 98 112 119 121 136 146 154 176 181 187 196 238 242 272 292 308 362 374 392 476 484 511 539 584 616 724 748 784 803 833 847 952 968 1022 1078 1168 1232 1241 1267 1309 1448 1496 1606 1666 1694 1904 1936 1991 2044 2057 2156 2482 2534 2618 2896 2992 3077 3212 3332 3388 3577 3982 4088 4114 4312 4964 5068 5236 5621 5929 6154 6424 6664 6776 7154 7964 8176 8228 8624 8687 8833 8869 9163 9928 10136 10472 11242 11858 12308 12848 13213 13328 13552 13651 13937 14308 14399 15928 16456 17374 17666 17738 18326 19856 20272 20944 21539 21901 22484 23716 24616 26426 27302 27874 28616 28798 31856 32912 33847 34748 35332 35476 36652 39347 43078 43802 44968 47432 49232 52852 54604 55748 57232 57596 60809 61831 67694 69496 70664 70952 73304 78694 86156 87604 89936 92491 94864 95557 97559 100793 105704 109208 111496 115192 121618 123662 135388 138992 141328 141904 145343 146608 150161 150773 153307 157388 172312 175208 184982 191114 195118 201586 211408 218416 222992 224621 230384 236929 243236 247324 270776 290686 300322 301546 306614 314776 344624 350416 369964 372317 382228 390236 403172 432817 449242 473858 486472 494648 541552 581372 600644 603092 613228 629552 647437 668899 739928 744634 764456 780472 806344 865634 898484 947716 972944 989296 1017401 1051127 1073149 1162744 1201288 1206184 1226456 1294874 1337798 1479856 1489268 1528912 1560944 1572347 1598773 1612688 1658503 1731268 1796968 1895432 2034802 2102254 2146298 2325488 2402576 2412368 2452912 2470831 2589748 2606219 2675596 2978536 3144694 3197546 3317006 3462536 3593936 3790864 4069604 4204508 4292596 4941662 5179496 5212438 5351192 5957072 6289388 6395092 6634012 6925072 7121807 7357889 8139208 8409016 8585192 9883324 10358992 10424876 10702384 11006429 11191411 12578776 12790184 13268024 14243614 14715778 16278416 16818032 17170384 17295817 18243533 19766648 20849752 22012858 22382822 25157552 25580368 26536048 27179141 28487228 29431556 34591634 36487066 39533296 41699504 44025716 44765644 54358282 56974456 58863112 69183268 72974132 78339877 88051432 89531288 108716564 113948912 117726224 121070719 138366536 145948264 156679754 176102864 179062576 190253987 217433128 242141438 276733072 291896528 313359508 380507974 434866256 484282876 626719016 761015948 968565752 1253438032 1331777909 1522031896 1937131504 2663555818 3044063792 5327111636 10654223272 21308446544
• Sum of all divisors σ(n): 56972306664
• Sum of proper divisors (its aliquot sum) s(n): 35663860120
• 21308446544 is an abundant number, because the sum of its proper divisors (35663860120) is greater than itself. Its abundance is 14355413576

Bases of 21308446544

• Binary: 10011110110000101010001011101010000₂
• Hexadecimal: 0x4F6151750
• Base-36: 9SEHYKW

Squares and roots of 21308446544

• 21308446544 squared (21308446544²) is 454049894118505543936
• 21308446544 cubed (21308446544³) is 9675097897133035384127899357184
• The square root of 21308446544 is 145974.1297079725
• The cube root of 21308446544 is 2772.3662067625

Scales and comparisons

• 21,308,446,544 seconds is equal to 677 years, 28 weeks, 1 day, 12 hours, 55 minutes, 44 seconds.
• To count from 1 to 21,308,446,544 would take you about one thousand, three hundred fifty-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 21308446544 cubic inches would be around 231 feet tall.

Recreational maths with 21308446544

• 21308446544 backwards is 44564480312
• The number of decimal digits it has is: 11
• The sum of 21308446544's digits is 41
• More coming soon!