18408418832672

Names of 18408418832672

• Cardinal: 18408418832672 can be written as Eighteen trillion, four hundred eight billion, four hundred eighteen million, eight hundred thirty-two thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.8408418832672 × 10¹³

Factors of 18408418832672

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 223

Divisors of 18408418832672

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 4 8 11 16 19 22 32 38 44 76 88 121 152 176 191 209 242 304 352 361 382 418 484 608 722 764 836 968 1444 1528 1672 1936 2101 2299 2888 3056 3344 3629 3872 3971 4202 4598 5776 6112 6688 6859 7258 7942 8404 9196 11552 13718 14516 15884 16808 18392 23111 27436 29032 31768 33616 36481 36784 39919 43681 46222 54872 58064 63536 67232 68951 72962 73568 75449 79838 87362 92444 109744 116128 127072 130321 137902 145924 150898 159676 174724 184888 219488 260642 275804 291848 301796 319352 349448 369776 401291 439109 521284 551608 583696 603592 638704 693139 698896 739552 758461 802582 829939 878218 1042568 1103216 1167392 1207184 1277408 1310069 1386278 1397792 1433531 1516922 1605164 1659878 1756436 2085136 2206432 2414368 2620138 2772556 2867062 3033844 3210328 3319756 3512872 4170272 4414201 5240276 5545112 5734124 6067688 6420656 6639512 7025744 7624529 8343071 8828402 10480552 11090224 11468248 12135376 12841312 13169641 13279024 14051488 14410759 15249058 15768841 16686142 17656804 20961104 22180448 22936496 24270752 24891311 26339282 26558048 28821518 30498116 31537682 33372284 35313608 41922208 45872992 49782622 52678564 57643036 60996232 63075364 66744568 70627216 83869819 99565244 105357128 115286072 121992464 126150728 133489136 141254432 144866051 158518349 167739638 199130488 210714256 230572144 243984928 250223179 252301456 266978272 273804421 289732102 317036698 335479276 398260976 421428512 461144288 500446358 504602912 547608842 579464204 634073396 670958552 796521952 1000892716 1095217684 1158928408 1268146792 1341917104 1593526561 2001785432 2190435368 2317856816 2536293584 2683834208 2752454969 3011848631 3187053122 4003570864 4380870736 4635713632 4754240401 5072587168 5504909938 6023697262 6374106244 8007141728 8761741472 9508480802 11009819876 12047394524 12748212488 19016961604 22019639752 24094789048 25496424976 30277004659 38033923208 44039279504 48189578096 50992849952 52296644411 60554009318 76067846416 88078559008 96379156192 104593288822 121108018636 152135692832 209186577644 242216037272 418373155288 484432074544 575263088521 836746310576 968864149088 1150526177042 1673492621152 2301052354084 4602104708168 9204209416336 18408418832672
• Sum of all divisors σ(n): 42270165979587
• Sum of proper divisors (its aliquot sum) s(n): 23861747146915
• 18408418832672 is an abundant number, because the sum of its proper divisors (23861747146915) is greater than itself. Its abundance is 5453328314243

Bases of 18408418832672

• Binary: 100001011111000001011010000111111000100100000₂
• Hexadecimal: 0x10BE0B43F120
• Base-36: 6IWPLA528

Squares and roots of 18408418832672

• 18408418832672 squared (18408418832672²) is 338869883919073159134659584
• 18408418832672 cubed (18408418832672³) is 6238058752961240868593817472953377128448
• The square root of 18408418832672 is 4290503.3309242401
• The cube root of 18408418832672 is 26404.1482388927

Scales and comparisons

• 18,408,418,832,672 seconds is equal to 585,330 years, 40 weeks, 3 days, 3 hours, 44 minutes, 32 seconds.
• To count from 1 to 18,408,418,832,672 would take you about one million, four hundred sixty-three thousand, three 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 18408418832672 cubic inches would be around 2200.3 feet tall.

Recreational maths with 18408418832672

• 18408418832672 backwards is 27623881480481
• The number of decimal digits it has is: 14
• The sum of 18408418832672's digits is 62
• More coming soon!