398728948068

Names of 398728948068

• Cardinal: 398728948068 can be written as Three hundred ninety-eight billion, seven hundred twenty-eight million, nine hundred forty-eight thousand and sixty-eight.

Scientific notation

• Scientific notation: 3.98728948068 × 10¹¹

Factors of 398728948068

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2054

Divisors of 398728948068

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 9 11 12 17 18 22 33 34 36 44 51 66 68 99 102 131 132 153 187 198 204 262 281 306 374 393 396 524 561 562 612 748 786 843 1122 1124 1179 1441 1572 1609 1683 1686 2227 2244 2358 2529 2882 3091 3218 3366 3372 4323 4454 4716 4777 4827 5058 5764 6182 6436 6681 6732 8646 8908 9273 9554 9654 10116 12364 12969 13362 14331 14481 17292 17699 18546 19108 19308 20043 24497 25938 26724 27353 27819 28662 28962 35398 36811 37092 40086 42993 48994 51876 52547 53097 54706 55638 57324 57924 70796 73491 73622 80172 82059 85986 97988 105094 106194 109412 110433 111276 146982 147244 157641 159291 164118 171972 210188 210779 212388 220473 220866 246177 293964 300883 315282 318582 328236 331299 404921 421558 440946 441732 452129 472923 492354 601766 625787 630564 632337 637164 662598 809842 843116 881892 902649 904258 945846 984708 1203532 1214763 1251574 1264674 1325196 1356387 1619684 1805298 1808516 1877361 1891692 1897011 2318569 2429526 2503148 2529348 2707947 2712774 3583243 3610596 3644289 3754722 3794022 4069161 4637138 4859052 4973419 5415894 5425548 5632083 6883657 6955707 7166486 7288578 7509444 7588044 7686193 8138322 9274276 9946838 10749729 10831788 11264166 13767314 13911414 14332972 14577156 14920257 15372386 16276644 19893676 20650971 20867121 21499458 22528332 23058579 27534628 27822828 29840514 30744772 32249187 39415673 41301942 41734242 42998916 44760771 46117158 59228899 59681028 61952913 64498374 69175737 78831346 82603884 83468484 84548123 89521542 92234316 118247019 118457798 123905826 128996748 138351474 157662692 169096246 177686697 179043084 236494038 236915596 247811652 253644369 276702948 338192492 354741057 355373394 472988076 507288738 533060091 651517889 709482114 710746788 760933107 1006891283 1014577476 1066120182 1303035778 1418964228 1521866214 1954553667 2013782566 2132240364 2606071556 3020673849 3043732428 3909107334 4027565132 5863661001 6041347698 7818214668 9062021547 11075804113 11727322002 12082695396 18124043094 22151608226 23454644004 33227412339 36248086188 44303216452 66454824678 99682237017 132909649356 199364474034 398728948068
• Sum of all divisors σ(n): 1177996659840
• Sum of proper divisors (its aliquot sum) s(n): 779267711772
• 398728948068 is an abundant number, because the sum of its proper divisors (779267711772) is greater than itself. Its abundance is 380538763704

Bases of 398728948068

• Binary: 101110011010110000110001110100101100100₂
• Hexadecimal: 0x5CD618E964
• Base-36: 5368X5D0

Squares and roots of 398728948068

• 398728948068 squared (398728948068²) is 158984774027413840932624
• 398728948068 cubed (398728948068³) is 63391831706779408589568647582970432
• The square root of 398728948068 is 631449.8777163551
• The cube root of 398728948068 is 7360.2503906475

Scales and comparisons

• 398,728,948,068 seconds is equal to 12,678 years, 18 weeks, 9 hours, 7 minutes, 48 seconds.
• To count from 1 to 398,728,948,068 would take you about twenty-five thousand, three hundred fifty-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 398728948068 cubic inches would be around 613.4 feet tall.

Recreational maths with 398728948068

• 398728948068 backwards is 860849827893
• The number of decimal digits it has is: 12
• The sum of 398728948068's digits is 72
• More coming soon!