18642168804

Names of 18642168804

• Cardinal: 18642168804 can be written as Eighteen billion, six hundred forty-two million, one hundred sixty-eight thousand, eight hundred four.

Scientific notation

• Scientific notation: 1.8642168804 × 10¹⁰

Factors of 18642168804

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 984

Divisors of 18642168804

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 12 14 21 28 31 41 42 62 82 84 93 123 124 164 186 217 246 283 287 372 434 492 566 574 617 651 849 861 868 1132 1148 1234 1271 1302 1698 1722 1851 1981 2468 2542 2604 3396 3444 3702 3813 3962 4319 5084 5943 7404 7626 7924 8638 8773 8897 11603 11886 12957 15252 17276 17546 17794 19127 23206 23772 25297 25914 26319 26691 34809 35092 35588 38254 46412 50594 51828 52638 53382 57381 61411 69618 75891 76508 81221 101188 105276 106764 114762 122822 133889 139236 151782 162442 174611 177079 184233 229524 243663 245644 267778 303564 324884 349222 354158 359693 368466 401667 487326 523833 531237 535556 698444 708316 719386 736932 784207 803334 974652 1047666 1062474 1079079 1222277 1438772 1568414 1606668 2095332 2124948 2158158 2352621 2444554 2517851 3136828 3666831 4316316 4705242 4889108 5035702 5412941 5489449 7159051 7333662 7553553 9410484 10071404 10825882 10978898 14318102 14667324 15107106 16238823 16468347 21477153 21651764 21957796 28636204 30214212 32477646 32936694 37890587 42954306 50113357 64955292 65873388 75781174 85908612 100226714 113671761 150340071 151562348 200453428 221930581 227343522 300680142 443861162 454687044 601360284 665791743 887722324 1331583486 1553514067 2663166972 3107028134 4660542201 6214056268 9321084402 18642168804
• Sum of all divisors σ(n): 52838940672
• Sum of proper divisors (its aliquot sum) s(n): 34196771868
• 18642168804 is an abundant number, because the sum of its proper divisors (34196771868) is greater than itself. Its abundance is 15554603064

Bases of 18642168804

• Binary: 10001010111001010001110101111100100₂
• Hexadecimal: 0x45728EBE4
• Base-36: 8KB2DIC

Squares and roots of 18642168804

• 18642168804 squared (18642168804²) is 347530457716830790416
• 18642168804 cubed (18642168804³) is 6478721457288544026839817382464
• The square root of 18642168804 is 136536.3277812905
• The cube root of 18642168804 is 2651.5438401307

Scales and comparisons

• 18,642,168,804 seconds is equal to 592 years, 39 weeks, 4 days, 20 hours, 13 minutes, 24 seconds.
• To count from 1 to 18,642,168,804 would take you about one thousand, one hundred eighty-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 18642168804 cubic inches would be around 221 feet tall.

Recreational maths with 18642168804

• 18642168804 backwards is 40886124681
• The number of decimal digits it has is: 11
• The sum of 18642168804's digits is 48
• More coming soon!