18898627968

Names of 18898627968

• Cardinal: 18898627968 can be written as Eighteen billion, eight hundred ninety-eight million, six hundred twenty-seven thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8898627968 × 10¹⁰

Factors of 18898627968

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1110

Divisors of 18898627968

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 43 44 48 54 64 66 72 86 88 96 99 108 121 128 129 132 144 172 176 192 198 216 242 258 264 288 297 344 352 363 384 387 396 432 473 484 516 528 576 594 688 704 726 774 792 864 946 968 1032 1051 1056 1089 1152 1161 1188 1376 1408 1419 1452 1548 1584 1728 1892 1936 2064 2102 2112 2178 2322 2376 2752 2838 2904 3096 3153 3168 3267 3456 3784 3872 4128 4204 4224 4257 4356 4644 4752 5203 5504 5676 5808 6192 6306 6336 6534 7568 7744 8256 8408 8514 8712 9288 9459 9504 10406 11352 11561 11616 12384 12612 12672 12771 13068 15136 15488 15609 16512 16816 17028 17424 18576 18918 19008 20812 22704 23122 23232 24768 25224 25542 26136 28377 30272 31218 33632 34056 34683 34848 37152 37836 38016 41624 45193 45408 46244 46464 46827 49536 50448 51084 52272 56754 60544 62436 67264 68112 69366 69696 74304 75672 83248 90386 90816 92488 93654 100896 102168 104049 104544 113508 124872 127171 134528 135579 136224 138732 139392 140481 148608 151344 166496 180772 181632 184976 187308 201792 204336 208098 209088 227016 249744 254342 271158 272448 277464 280962 302688 312147 332992 361544 369952 374616 381513 403584 406737 408672 416196 418176 454032 497123 499488 508684 542316 544896 554928 561924 605376 624294 665984 723088 739904 749232 763026 813474 817344 832392 908064 994246 998976 1017368 1084632 1109856 1123848 1144539 1210752 1220211 1248588 1446176 1479808 1491369 1498464 1526052 1626948 1634688 1664784 1816128 1988492 1997952 2034736 2169264 2219712 2247696 2289078 2440422 2497176 2892352 2982738 2996928 3052104 3253896 3329568 3433617 3632256 3976984 4069472 4338528 4439424 4474107 4495392 4578156 4880844 4994352 5468353 5784704 5965476 5993856 6104208 6507792 6659136 6867234 7953968 8138944 8677056 8948214 8990784 9156312 9761688 9988704 10936706 11930952 12208416 13015584 13318272 13422321 13734468 15907936 16277888 16405059 17354112 17896428 17981568 18312624 19523376 19977408 21873412 23861904 24416832 26031168 26844642 27468936 31815872 32810118 35792856 36625248 39046752 39954816 43746824 47723808 48833664 49215177 52062336 53689284 54937872 63631744 65620236 71585712 73250496 78093504 87493648 95447616 98430354 107378568 109875744 131240472 143171424 146500992 147645531 156187008 174987296 190895232 196860708 214757136 219751488 262480944 286342848 295291062 349974592 393721416 429514272 439502976 524961888 572685696 590582124 699949184 787442832 859028544 1049923776 1181164248 1574885664 1718057088 2099847552 2362328496 3149771328 4724656992 6299542656 9449313984 18898627968
• Sum of all divisors σ(n): 62794300800
• Sum of proper divisors (its aliquot sum) s(n): 43895672832
• 18898627968 is an abundant number, because the sum of its proper divisors (43895672832) is greater than itself. Its abundance is 24997044864

Bases of 18898627968

• Binary: 10001100110011100100010110110000000₂
• Hexadecimal: 0x466722D80
• Base-36: 8OJR6O0

Squares and roots of 18898627968

• 18898627968 squared (18898627968²) is 357158139072871809024
• 18898627968 cubed (18898627968³) is 6749798796081408760099721183232
• The square root of 18898627968 is 137472.2807259703
• The cube root of 18898627968 is 2663.6475469113

Scales and comparisons

• 18,898,627,968 seconds is equal to 600 years, 47 weeks, 5 days, 2 hours, 52 minutes, 48 seconds.
• To count from 1 to 18,898,627,968 would take you about one thousand, two hundred 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 18898627968 cubic inches would be around 222 feet tall.

Recreational maths with 18898627968

• 18898627968 backwards is 86972689881
• 18898627968 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18898627968's digits is 72
• More coming soon!