1918187849664

Names of 1918187849664

• Cardinal: 1918187849664 can be written as One trillion, nine hundred eighteen billion, one hundred eighty-seven million, eight hundred forty-nine thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 1.918187849664 × 10¹²

Factors of 1918187849664

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 6517

Divisors of 1918187849664

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 27 32 34 36 41 48 51 54 64 68 72 82 96 102 108 123 136 144 153 164 192 204 216 246 257 272 288 306 328 369 408 432 459 492 514 544 576 612 656 697 738 771 816 864 918 984 1028 1088 1107 1224 1312 1394 1476 1542 1632 1728 1836 1968 2056 2091 2214 2313 2448 2624 2788 2952 3084 3264 3672 3936 4112 4182 4369 4428 4626 4896 5576 5904 6168 6197 6273 6939 7344 7872 8224 8364 8738 8856 9252 9792 10537 11152 11808 12336 12394 12546 13107 13878 14688 16448 16728 17476 17712 18504 18591 18819 21074 22304 23616 24672 24788 25092 26214 27756 29376 31611 33456 34952 35424 37008 37182 37638 39321 42148 44608 49344 49576 50184 52428 55512 55773 63222 66912 69904 70848 74016 74364 75276 78642 84296 94833 99152 100368 104856 105349 111024 111546 117963 126444 133824 139808 148032 148728 150552 157284 167319 168592 179129 189666 198304 200736 209712 210698 222048 223092 235926 252888 254077 279616 284499 297456 301104 314568 316047 334638 337184 358258 379332 396608 401472 419424 421396 444096 446184 471852 505776 508154 537387 568998 594912 602208 629136 632094 669276 674368 716516 758664 762231 838848 842792 892368 943704 948141 1011552 1016308 1074774 1137996 1189824 1204416 1258272 1264188 1338552 1433032 1517328 1524462 1592629 1612161 1685584 1784736 1887408 1896282 2023104 2032616 2149548 2275992 2286693 2516544 2528376 2677104 2844423 2866064 3034656 3048924 3185258 3224322 3371168 3569472 3774816 3792564 4065232 4299096 4319309 4551984 4573386 4777887 4836483 5056752 5354208 5688846 5732128 6069312 6097848 6370516 6448644 6742336 6860079 7549632 7585128 8130464 8598192 8638618 9103968 9146772 9555774 9672966 10113504 10708416 11377692 11464256 12195696 12741032 12897288 12957927 13720158 14333661 15170256 16260928 17196384 17277236 18207936 18293544 19111548 19345932 20227008 22755384 24391392 25482064 25794576 25915854 27074693 27440316 28667322 30340512 34392768 34554472 36587088 38223096 38691864 38873781 43000983 45510768 48782784 50964128 51589152 51831708 54149386 54880632 57334644 60681024 65297789 69108944 73174176 76446192 77383728 77747562 81224079 86001966 91021536 101928256 103178304 103663416 108298772 109761264 114669288 116621343 130595578 138217888 146348352 152892384 154767456 155495124 162448158 172003932 182043072 195893367 207326832 216597544 219522528 229338576 233242686 243672237 261191156 276435776 305784768 309534912 310990248 324896316 344007864 391786734 414653664 433195088 439045056 458677152 466485372 487344474 522382312 587680101 621980496 649792632 688015728 731016711 783573468 829307328 866390176 917354304 932970744 974688948 1044764624 1110062413 1175360202 1243960992 1299585264 1376031456 1462033422 1567146936 1732780352 1763040303 1865941488 1949377896 2089529248 2220124826 2350720404 2487921984 2599170528 2752062912 2924066844 3134293872 3330187239 3526080606 3731882976 3898755792 4179058496 4440249652 4701440808 5198341056 5848133688 6268587744 6660374478 7052161212 7463765952 7797511584 8880499304 9402881616 9990561717 11696267376 12537175488 13320748956 14104322424 15595023168 17760998608 18805763232 19981123434 23392534752 26641497912 28208644848 29971685151 35521997216 37611526464 39962246868 46785069504 53282995824 56417289696 59943370302 71043994432 79924493736 106565991648 112834579392 119886740604 159848987472 213131983296 239773481208 319697974944 479546962416 639395949888 959093924832 1918187849664
• Sum of all divisors σ(n): 6141250120320
• Sum of proper divisors (its aliquot sum) s(n): 4223062270656
• 1918187849664 is an abundant number, because the sum of its proper divisors (4223062270656) is greater than itself. Its abundance is 2304874420992

Bases of 1918187849664

• Binary: 11011111010011100111001111100011111000000₂
• Hexadecimal: 0x1BE9CE7C7C0
• Base-36: OH7BIPC0

Squares and roots of 1918187849664

• 1918187849664 squared (1918187849664²) is 3679444626598600264912896
• 1918187849664 cubed (1918187849664³) is 7057865976252928460625568726502866944
• The square root of 1918187849664 is 1384986.5882614171
• The cube root of 1918187849664 is 12425.0185343339

Scales and comparisons

• 1,918,187,849,664 seconds is equal to 60,992 years, 22 weeks, 6 days, 6 hours, 14 minutes, 24 seconds.
• To count from 1 to 1,918,187,849,664 would take you about one hundred fifty-two thousand, four hundred eighty-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 1918187849664 cubic inches would be around 1035.4 feet tall.

Recreational maths with 1918187849664

• 1918187849664 backwards is 4669487818191
• 1918187849664 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1918187849664's digits is 72
• More coming soon!