18207984168

Names of 18207984168

• Cardinal: 18207984168 can be written as Eighteen billion, two hundred seven million, nine hundred eighty-four thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8207984168 × 10¹⁰

Factors of 18207984168

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 274

Divisors of 18207984168

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 18 22 24 27 31 33 36 44 54 62 66 72 81 88 93 99 108 121 124 132 162 186 198 216 227 242 243 248 264 279 297 324 341 363 372 396 454 484 486 558 594 648 681 682 726 744 792 837 891 908 968 972 1023 1089 1116 1188 1331 1362 1364 1452 1674 1782 1816 1944 2043 2046 2178 2232 2376 2497 2511 2662 2673 2724 2728 2904 3069 3267 3348 3564 3751 3993 4086 4092 4356 4994 5022 5324 5346 5448 6129 6138 6534 6696 7037 7128 7491 7502 7533 7986 8172 8184 8712 9207 9801 9988 10044 10648 10692 11253 11979 12258 12276 13068 14074 14982 15004 15066 15972 16344 18387 18414 19602 19976 20088 21111 21384 22473 22506 23958 24516 24552 26136 27467 27621 28148 29403 29964 30008 30132 31944 33759 35937 36774 36828 39204 41261 42222 44946 45012 47916 49032 54934 55161 55242 56296 58806 59928 60264 63333 67419 67518 71874 73548 73656 77407 78408 82401 82522 82863 84444 89892 90024 95832 101277 107811 109868 110322 110484 117612 123783 126666 134838 135036 143748 147096 154814 164802 165044 165726 168888 179784 189999 202257 202554 215622 219736 220644 220968 232221 235224 247203 247566 253332 269676 270072 287496 302137 303831 309628 323433 329604 330088 331452 371349 379998 404514 405108 431244 441288 464442 494406 495132 506664 539352 569997 604274 606771 607662 619256 646866 659208 662904 696663 741609 742698 759996 809028 810216 851477 862488 906411 911493 928884 988812 990264 1114047 1139994 1208548 1213542 1215324 1293732 1393326 1483218 1485396 1519992 1618056 1702954 1709991 1812822 1822986 1857768 1977624 2089989 2224827 2228094 2279988 2417096 2427084 2430648 2554431 2587464 2719233 2786652 2966436 2970792 3342141 3405908 3419982 3625644 3645972 4179978 4449654 4456188 4559976 4854168 5108862 5438466 5573304 5932872 6269967 6674481 6684282 6811816 6839964 7251288 7291944 7663293 8157699 8359956 8899308 8912376 9366247 10026423 10217724 10876932 12539934 13348962 13368564 13679928 15326586 16315398 16719912 17798616 18732494 18809901 20052846 20435448 21753864 22989879 24473097 25079868 26697924 26737128 28098741 30653172 32630796 37464988 37619802 40105692 45979758 48946194 50159736 53395848 56197482 61306344 65261592 68969637 73419291 74929976 75239604 80211384 84296223 91959516 97892388 112394964 137939274 146838582 150479208 168592446 183919032 195784776 206908911 224789928 252888669 275878548 293677164 337184892 413817822 505777338 551757096 587354328 674369784 758666007 827635644 1011554676 1517332014 1655271288 2023109352 2275998021 3034664028 4551996042 6069328056 9103992084 18207984168
• Sum of all divisors σ(n): 58320138240
• Sum of proper divisors (its aliquot sum) s(n): 40112154072
• 18207984168 is an abundant number, because the sum of its proper divisors (40112154072) is greater than itself. Its abundance is 21904169904

Bases of 18207984168

• Binary: 10000111101010001111100101000101000₂
• Hexadecimal: 0x43D47CA28
• Base-36: 8D4KAI0

Squares and roots of 18207984168

• 18207984168 squared (18207984168²) is 331530687462138652224
• 18207984168 cubed (18207984168³) is 6036505508516776679115449989632
• The square root of 18207984168 is 134936.9636830473
• The cube root of 18207984168 is 2630.7967036977

Scales and comparisons

• 18,207,984,168 seconds is equal to 578 years, 49 weeks, 5 days, 13 hours, 22 minutes, 48 seconds.
• To count from 1 to 18,207,984,168 would take you about one thousand, one hundred fifty-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 18207984168 cubic inches would be around 219.2 feet tall.

Recreational maths with 18207984168

• 18207984168 backwards is 86148970281
• 18207984168 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18207984168's digits is 54
• More coming soon!