18078805368

Names of 18078805368

• Cardinal: 18078805368 can be written as Eighteen billion, seventy-eight million, eight hundred five thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8078805368 × 10¹⁰

Factors of 18078805368

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1697

Divisors of 18078805368

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 19 23 24 26 27 36 38 39 46 52 54 57 69 72 76 78 81 92 104 108 114 117 138 152 156 162 171 184 207 216 228 234 243 247 276 299 312 324 342 351 414 437 456 468 486 494 513 552 598 621 648 684 702 741 828 874 897 936 972 988 1026 1053 1196 1242 1311 1368 1404 1482 1539 1637 1656 1748 1794 1863 1944 1976 2052 2106 2223 2392 2484 2622 2691 2808 2964 3078 3159 3274 3496 3588 3726 3933 4104 4212 4446 4617 4911 4968 5244 5382 5589 5681 5928 6156 6318 6548 6669 7176 7452 7866 8073 8424 8892 9234 9822 10488 10764 11178 11362 11799 12312 12636 13096 13338 14733 14904 15732 16146 17043 17784 18468 19644 20007 21281 21528 22356 22724 23598 24219 25272 26676 29466 31103 31464 32292 34086 35397 36936 37651 39288 40014 42562 44199 44712 45448 47196 48438 51129 53352 58932 60021 62206 63843 64584 68172 70794 72657 75302 80028 85124 88398 93309 94392 96876 102258 106191 112953 117864 120042 124412 127686 132597 136344 141588 145314 150604 153387 160056 170248 176796 186618 191529 193752 204516 212382 225906 240084 248824 255372 265194 279927 283176 290628 301208 306774 338859 353592 373236 383058 397791 404339 409032 424764 451812 460161 480168 489463 510744 530388 559854 574587 581256 613548 677718 715369 746472 766116 795582 808678 839781 849528 903624 920322 978926 1016577 1060776 1119708 1149174 1213017 1227096 1355436 1380483 1430738 1468389 1532232 1591164 1617356 1679562 1723761 1840644 1957852 2033154 2146107 2239416 2298348 2426034 2519343 2710872 2760966 2861476 2936778 3049731 3182328 3234712 3359124 3447522 3639051 3681288 3915704 4066308 4292214 4405167 4596696 4852068 5038686 5171283 5521932 5722952 5873556 6099462 6438321 6718248 6895044 7278102 7558029 8132616 8584428 8810334 9149193 9299797 9704136 10077372 10342566 10917153 11043864 11747112 12198924 12876642 13215501 13790088 14556204 15116058 17168856 17620668 18298386 18599594 19314963 20154744 20685132 21834306 24397848 25753284 26431002 27899391 29112408 30232116 32751459 35241336 36596772 37199188 38629926 39646503 41370264 43668612 51506568 52862004 55798782 57944889 60464232 65502918 73193544 74398376 77259852 79293006 83698173 87337224 98254377 105724008 111597564 115889778 118939509 131005836 154519704 158586012 167396346 173834667 196508754 223195128 231779556 237879018 251094519 262011672 317172024 334792692 347669334 393017508 463559112 475758036 502189038 669585384 695338668 753283557 786035016 951516072 1004378076 1390677336 1506567114 2008756152 2259850671 3013134228 4519701342 6026268456 9039402684 18078805368
• Sum of all divisors σ(n): 60100185600
• Sum of proper divisors (its aliquot sum) s(n): 42021380232
• 18078805368 is an abundant number, because the sum of its proper divisors (42021380232) is greater than itself. Its abundance is 23942574864

Bases of 18078805368

• Binary: 10000110101100101001010110101111000₂
• Hexadecimal: 0x43594AD78
• Base-36: 8AZNJI0

Squares and roots of 18078805368

• 18078805368 squared (18078805368²) is 326843203534025615424
• 18078805368 cubed (18078805368³) is 5908934662545258866776914796032
• The square root of 18078805368 is 134457.4481685563
• The cube root of 18078805368 is 2624.5604279461

Scales and comparisons

• 18,078,805,368 seconds is equal to 574 years, 44 weeks, 1 day, 10 hours, 22 minutes, 48 seconds.
• To count from 1 to 18,078,805,368 would take you about one thousand, one hundred forty-nine 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 18078805368 cubic inches would be around 218.7 feet tall.

Recreational maths with 18078805368

• 18078805368 backwards is 86350887081
• 18078805368 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18078805368's digits is 54
• More coming soon!