1918900368

Names of 1918900368

• Cardinal: 1918900368 can be written as One billion, nine hundred eighteen million, nine hundred thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 1.918900368 × 10⁹

Factors of 1918900368

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 131

Divisors of 1918900368

• Number of divisors d(n): 600
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 27 28 33 36 41 42 44 48 49 54 56 63 66 67 72 77 81 82 84 88 98 99 108 112 123 126 132 134 144 147 154 162 164 168 176 189 196 198 201 216 231 246 252 264 268 287 294 297 308 324 328 336 369 378 392 396 402 432 441 451 462 469 492 504 528 536 539 567 574 588 594 603 616 648 656 693 737 738 756 784 792 804 861 882 891 902 924 938 984 1008 1072 1078 1107 1134 1148 1176 1188 1206 1232 1296 1323 1353 1386 1407 1474 1476 1512 1584 1608 1617 1722 1764 1782 1804 1809 1848 1876 1968 2009 2079 2156 2211 2214 2268 2296 2352 2376 2412 2583 2646 2706 2747 2772 2814 2948 2952 3024 3157 3216 3234 3283 3321 3444 3528 3564 3608 3618 3696 3752 3969 4018 4059 4158 4221 4312 4422 4428 4536 4592 4752 4824 4851 5159 5166 5292 5412 5427 5494 5544 5628 5896 5904 6027 6237 6314 6468 6566 6633 6642 6888 7056 7128 7216 7236 7504 7749 7938 8036 8118 8241 8316 8442 8624 8844 8856 9072 9471 9648 9702 9849 10318 10332 10584 10824 10854 10988 11088 11256 11792 12054 12177 12474 12628 12663 12936 13132 13266 13284 13776 14256 14472 14553 15477 15498 15876 16072 16236 16482 16632 16884 17688 17712 18081 18942 19229 19404 19698 19899 20636 20664 21168 21648 21708 21976 22099 22512 23247 24108 24354 24723 24948 25256 25326 25872 26264 26532 26568 28413 28944 29106 29547 30217 30954 30996 31752 32144 32472 32964 33264 33768 35376 36113 36162 36531 37884 37989 38458 38808 39396 39798 41272 41328 43416 43659 43952 44198 46431 46494 48216 48708 49446 49896 50512 50652 52528 53064 53136 54243 56826 57687 58212 59094 59697 60434 61908 61992 63504 64944 65928 66297 67536 72226 72324 73062 74169 75768 75978 76916 77616 78792 79596 82544 85239 86832 87318 88396 88641 90651 92862 92988 96432 97416 98892 99792 101304 106128 108339 108486 113652 115374 116424 118188 119394 120868 123816 123984 131856 132594 134603 139293 144452 144648 146124 148338 151536 151956 153832 157584 159192 162729 170478 173061 174636 176792 177282 181302 185724 185976 194832 197784 198891 202608 211519 216678 216972 222507 227304 230748 232848 236376 238788 241736 247632 255717 265188 265923 269206 271953 278586 288904 289296 292248 296676 303912 307664 318384 325017 325458 340956 346122 349272 353584 354564 362604 371448 371952 395568 397782 403809 417879 423038 433356 433944 445014 454608 461496 472752 477576 483472 511434 519183 530376 531846 538412 543906 557172 577808 584496 593352 596673 607824 634557 650034 650916 681912 692244 698544 709128 725208 742896 795564 807618 815859 835758 846076 866712 867888 890028 922992 955152 975051 1022868 1038366 1060752 1063692 1076824 1087812 1114344 1186704 1193346 1211427 1269114 1300068 1301832 1363824 1384488 1418256 1450416 1480633 1557549 1591128 1615236 1631718 1671516 1692152 1733424 1780056 1790019 1903671 1950102 2045736 2076732 2127384 2153648 2175624 2228688 2386692 2422854 2447577 2538228 2600136 2603664 2768976 2925153 2961266 3115098 3182256 3230472 3263436 3343032 3384304 3560112 3580038 3634281 3807342 3900204 4091472 4153464 4254768 4351248 4441899 4773384 4845708 4895154 5076456 5200272 5711013 5850306 5922532 6230196 6460944 6526872 6686064 7160076 7268562 7614684 7800408 8306928 8883798 9546768 9691416 9790308 10152912 10902843 11422026 11700612 11845064 12460392 13053744 13325697 14320152 14537124 15229368 15600816 17133039 17767596 19382832 19580616 21805686 22844052 23401224 23690128 24920784 26651394 28640304 29074248 30458736 34266078 35535192 39161232 39977091 43611372 45688104 46802448 53302788 58148496 68532156 71070384 79954182 87222744 91376208 106605576 119931273 137064312 159908364 174445488 213211152 239862546 274128624 319816728 479725092 639633456 959450184 1918900368
• Sum of all divisors σ(n): 7327593504
• Sum of proper divisors (its aliquot sum) s(n): 5408693136
• 1918900368 is an abundant number, because the sum of its proper divisors (5408693136) is greater than itself. Its abundance is 3489792768

Bases of 1918900368

• Binary: 1110010011000000001100010010000₂
• Hexadecimal: 0x72601890
• Base-36: VQGP00

Squares and roots of 1918900368

• 1918900368 squared (1918900368²) is 3682178622310535424
• 1918900368 cubed (1918900368³) is 7065733913393419435390636032
• The square root of 1918900368 is 43805.2550272225
• The cube root of 1918900368 is 1242.6556784371

Scales and comparisons

• 1,918,900,368 seconds is equal to 61 years, 5 days, 11 hours, 52 minutes, 48 seconds.
• To count from 1 to 1,918,900,368 would take you about one hundred twenty-two 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 1918900368 cubic inches would be around 103.6 feet tall.

Recreational maths with 1918900368

• 1918900368 backwards is 8630098191
• The number of decimal digits it has is: 10
• The sum of 1918900368's digits is 45
• More coming soon!