18105066408

Names of 18105066408

• Cardinal: 18105066408 can be written as Eighteen billion, one hundred five million, sixty-six thousand, four hundred eight.

Scientific notation

• Scientific notation: 1.8105066408 × 10¹⁰

Factors of 18105066408

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 678

Divisors of 18105066408

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 11 12 13 19 22 24 26 33 38 39 43 44 52 57 66 76 78 86 88 104 114 121 129 132 143 152 156 172 209 228 242 247 258 264 286 312 344 363 418 429 456 473 484 494 516 559 572 587 627 726 741 817 836 858 946 968 988 1032 1118 1144 1174 1254 1419 1452 1482 1573 1634 1672 1677 1716 1761 1892 1976 2236 2299 2348 2451 2508 2717 2838 2904 2964 3146 3268 3354 3432 3522 3784 4472 4598 4696 4719 4902 5016 5203 5434 5676 5928 6149 6292 6457 6536 6708 6897 7044 7631 8151 8987 9196 9438 9804 10406 10621 10868 11153 11352 12298 12584 12914 13416 13794 14088 15262 15609 16302 17974 18392 18447 18876 19371 19608 20812 21242 21736 22306 22893 24596 25241 25828 26961 27588 29887 30524 31218 31863 32604 33459 35948 36894 37752 38742 41624 42484 44612 45786 49192 50482 51656 53922 55176 59774 61048 62436 63726 65208 66918 67639 71027 71896 73788 75723 77484 83941 84968 89224 89661 91572 98857 100964 107844 116831 119548 122683 124872 127452 133836 135278 142054 144989 147576 151446 154968 167882 179322 183144 197714 201928 202917 213081 215688 233662 239096 245366 251823 254904 267672 270556 277651 284108 289978 296571 302892 328133 335764 350493 358644 368049 395428 405834 426162 434967 467324 479579 490732 503646 541112 555302 568216 579956 593142 605784 656266 671528 700986 717288 736098 790856 811668 832953 852324 869934 923351 934648 959158 981464 984399 1007292 1110604 1159912 1186284 1285141 1312532 1349513 1401972 1438737 1472196 1594879 1623336 1665906 1704648 1739868 1846702 1918316 1968798 2014584 2221208 2372568 2570282 2625064 2699026 2770053 2803944 2877474 2944392 3054161 3189758 3331812 3479736 3609463 3693404 3836632 3855423 3937596 4048539 4784637 5140564 5275369 5398052 5540106 5754948 6108322 6234527 6379516 6663624 7218926 7386808 7710846 7875192 8097078 9162483 9569274 10281128 10550738 10796104 10828389 11080212 11509896 12216644 12469054 12759032 14437852 15421692 15826107 16194156 17543669 18324966 18703581 19138548 21101476 21656778 22160424 24433288 24938108 28875704 30843384 31652214 32388312 35087338 36649932 37407162 38277096 39704093 42202952 43313556 49876216 52631007 58029059 63304428 68579797 70174676 73299864 74814324 79408186 86627112 105262014 116058118 119112279 126608856 137159594 140349352 149628648 158816372 174087177 205739391 210524028 232116236 238224558 274319188 317632744 348174354 411478782 421048056 464232472 476449116 548638376 696348708 754377767 822957564 952898232 1392697416 1508755534 1645915128 2263133301 3017511068 4526266602 6035022136 9052533204 18105066408
• Sum of all divisors σ(n): 57808396800
• Sum of proper divisors (its aliquot sum) s(n): 39703330392
• 18105066408 is an abundant number, because the sum of its proper divisors (39703330392) is greater than itself. Its abundance is 21598263984

Bases of 18105066408

• Binary: 10000110111001001010110001110101000₂
• Hexadecimal: 0x4372563A8
• Base-36: 8BFAENC

Squares and roots of 18105066408

• 18105066408 squared (18105066408²) is 327793429638090022464
• 18105066408 cubed (18105066408³) is 5934721811703695262992931789312
• The square root of 18105066408 is 134555.0683103391
• The cube root of 18105066408 is 2625.8306140255

Scales and comparisons

• 18,105,066,408 seconds is equal to 575 years, 35 weeks, 4 days, 9 hours, 6 minutes, 48 seconds.
• To count from 1 to 18,105,066,408 would take you about one thousand, one hundred fifty-one 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 18105066408 cubic inches would be around 218.8 feet tall.

Recreational maths with 18105066408

• 18105066408 backwards is 80466050181
• 18105066408 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18105066408's digits is 39
• More coming soon!