72121318081904

Names of 72121318081904

• Cardinal: 72121318081904 can be written as Seventy-two trillion, one hundred twenty-one billion, three hundred eighteen million, eighty-one thousand, nine hundred four.

Scientific notation

• Scientific notation: 7.2121318081904 × 10¹³

Factors of 72121318081904

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 38911241

Divisors of 72121318081904

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 7 8 13 14 16 19 26 28 38 52 56 67 76 91 104 112 133 134 152 182 208 247 266 268 304 364 469 494 532 536 728 871 938 988 1064 1072 1273 1456 1729 1742 1876 1976 2128 2546 3458 3484 3752 3952 5092 6097 6916 6968 7504 8911 10184 12194 13832 13936 16549 17822 20368 24388 27664 33098 35644 48776 66196 71288 97552 115843 132392 142576 231686 264784 463372 926744 1853488 38911133 77822266 155644532 272377931 311289064 505844729 544755862 622578128 739311527 1011689458 1089511724 1478623054 2023378916 2179023448 2607045911 2957246108 3540913103 4046757832 4358046896 5175180689 5214091822 5914492216 7081826206 8093515664 9611049851 10350361378 10428183644 11828984432 14163652412 18249321377 19222099702 20700722756 20856367288 28327304824 33891596843 36498642754 38444199404 41401445512 41712734576 49533872309 56654609648 67277348957 67783193686 72997285508 76888398808 82802891024 99067744618 134554697914 135566387372 145994571016 153776797616 198135489236 237241177901 269109395828 271132774744 291989142032 346737106163 396270978472 474482355802 538218791656 542265549488 643940340017 693474212326 792541956944 948964711604 1076437583312 1287880680034 1386948424652 1897929423208 2575761360068 2773896849304 3795858846416 4507582380119 5151522720136 5547793698608 9015164760238 10303045440272 18030329520476 36060659040952 72121318081904
• Sum of all divisors σ(n): 183735261857280
• Sum of proper divisors (its aliquot sum) s(n): 111613943775376
• 72121318081904 is an abundant number, because the sum of its proper divisors (111613943775376) is greater than itself. Its abundance is 39492625693472

Bases of 72121318081904

• Binary: 10000011001100000001101100010111000010101110000₂
• Hexadecimal: 0x41980D8B8570
• Base-36: PKC2QO2NK

Squares and roots of 72121318081904

• 72121318081904 squared (72121318081904²) is 5201484521871172865652265216
• 72121318081904 cubed (72121318081904³) is 375137919699971201556014839451857818251264
• The square root of 72121318081904 is 8492427.1019481821
• The cube root of 72121318081904 is 41625.0292551861

Scales and comparisons

• 72,121,318,081,904 seconds is equal to 2,293,234 years, 43 weeks, 19 hours, 11 minutes, 44 seconds.
• To count from 1 to 72,121,318,081,904 would take you about five million, seven hundred thirty-three thousand and eighty-seven 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 72121318081904 cubic inches would be around 3468.8 feet tall.

Recreational maths with 72121318081904

• 72121318081904 backwards is 40918081312127
• The number of decimal digits it has is: 14
• The sum of 72121318081904's digits is 47
• More coming soon!