155139644668864

Names of 155139644668864

• Cardinal: 155139644668864 can be written as One hundred fifty-five trillion, one hundred thirty-nine billion, six hundred forty-four million, six hundred sixty-eight thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.55139644668864 × 10¹⁴

Factors of 155139644668864

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 194

Divisors of 155139644668864

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 4 8 16 19 29 32 38 58 61 64 76 83 116 122 152 166 232 244 304 332 361 464 488 551 608 664 722 841 928 976 1102 1159 1216 1328 1444 1577 1682 1769 1856 1952 2204 2318 2407 2656 2888 3154 3364 3538 3904 4408 4636 4814 5063 5312 5776 6308 6728 6859 6889 7076 8816 9272 9628 10126 10469 11552 12616 13456 13718 13778 14152 15979 17632 18544 19256 20252 20938 22021 23104 25232 26912 27436 27556 28304 29963 31958 33611 35264 37088 38512 40504 41876 44042 45733 50464 51301 53824 54872 55112 56608 59926 63916 67222 69803 74176 77024 81008 83752 88084 91466 96197 100928 102602 109744 110224 113216 119852 127832 130891 134444 139606 146827 154048 162016 167504 176168 182932 192394 198911 199781 205204 219488 220448 239704 255664 261782 268888 279212 293654 303601 324032 335008 352336 365864 384788 397822 399562 410408 418399 420229 438976 440896 479408 511328 523564 537776 558424 569297 587308 607202 638609 670016 704672 731728 769576 795644 799124 820816 836798 840458 868927 958816 974719 1022656 1047128 1075552 1116848 1138594 1174616 1214404 1277218 1326257 1409344 1463456 1539152 1591288 1598248 1641632 1673596 1680916 1737854 1827743 1917632 1949438 2094256 2151104 2233696 2277188 2349232 2428808 2486929 2554436 2652514 2789713 2926912 3078304 3182576 3196496 3283264 3347192 3361832 3475708 3655486 3795839 3898876 4188512 4257983 4467392 4554376 4698464 4857616 4973858 5108872 5305028 5579426 5768419 5793649 6156608 6365152 6392992 6694384 6723664 6951416 7310972 7591678 7797752 7984351 8377024 8515966 9108752 9396928 9715232 9947716 10217744 10610056 11158852 11536838 11587298 12133571 12186641 12730304 12785984 13388768 13447328 13902832 14621944 15183356 15595504 15968702 16509613 17031932 18217504 18519661 19430464 19895432 20435488 21220112 22317704 23073676 23174596 24267142 24373282 25198883 26777536 26894656 27805664 29243888 30366712 31191008 31937404 33019226 34063864 34727117 36435008 37039322 39790864 40870976 42440224 44635408 46147352 46349192 47251651 48534284 48746564 50397766 53004547 55611328 58487776 60733424 62382016 63874808 66038452 68127728 69454234 72120941 74078644 79581728 80901677 84880448 89270816 92294704 92698384 94503302 97068568 97493128 100795532 106009094 110079331 116975552 121466848 127749616 132076904 136255456 138908468 144241882 148157288 151702669 159163456 161803354 178541632 184589408 185396768 189006604 194137136 194986256 201591064 212018188 220158662 231546179 242933696 255499232 264153808 272510912 277816936 288483764 296314576 303405338 323606708 351873559 353412589 369178816 370793536 378013208 388274272 389972512 403182128 424036376 440317324 463092358 478778777 510998464 528307616 555633872 576967528 592629152 606810676 647213416 703747118 706825178 756026416 776548544 779945024 806364256 848072752 880634648 926184716 957557554 1007086393 1056615232 1111267744 1153935056 1185258304 1213621352 1294426832 1370297879 1407494236 1413650356 1512052832 1537131863 1612728512 1696145504 1761269296 1852369432 1915115108 2014172786 2091507289 2222535488 2307870112 2427242704 2588853664 2740595758 2814988472 2827300712 2882350711 3024105664 3074263726 3392291008 3522538592 3704738864 3830230216 4028345572 4183014578 4399377401 4615740224 4854485408 5177707328 5481191516 5629976944 5654601424 5764701422 6148527452 6714839191 7045077184 7409477728 7660460432 8056691144 8366029156 8798754802 9708970816 10962383032 11259953888 11309202848 11529402844 12297054904 13429678382 14818955456 15320920864 16113382288 16732058312 17597509604 21924766064 22519907776 22618405696 23058805688 24594109808 26859356764 29205505397 30641841728 32226764576 33464116624 35195019208 39738638491 43849532128 46117611376 49188219616 53718713528 58411010794 64453529152 66928233248 70390038416 79477276982 83588170619 87699064256 92235222752 98376439232 107437427056 116822021588 127581944629 133856466496 140780076832 158954553964 167176341238 184470445504 214874854112 233644043176 255163889258 281560153664 317909107928 334352682476 429749708224 467288086352 510327778516 635818215856 668705364952 934576172704 1020655557032 1271636431712 1337410729904 1869152345408 2041311114064 2424056947951 2543272863424 2674821459808 4082622228128 4848113895902 5349642919616 8165244456256 9696227791804 19392455583608 38784911167216 77569822334432 155139644668864
• Sum of all divisors σ(n): 346235661228080
• Sum of proper divisors (its aliquot sum) s(n): 191096016559216
• 155139644668864 is an abundant number, because the sum of its proper divisors (191096016559216) is greater than itself. Its abundance is 35956371890352

Bases of 155139644668864

• Binary: 100011010001100101000011011010010011101111000000₂
• Hexadecimal: 0x8D1943693BC0
• Base-36: 1IZQ62UK74

Squares and roots of 155139644668864

• 155139644668864 squared (155139644668864²) is 24068309347981382136211050496
• 155139644668864 cubed (155139644668864³) is 3733948960026129406967961063970131502956544
• The square root of 155139644668864 is 12455506.6002497065
• The cube root of 155139644668864 is 53732.9804755511

Scales and comparisons

• 155,139,644,668,864 seconds is equal to 4,932,960 years, 42 weeks, 5 days, 5 hours, 21 minutes, 4 seconds.
• To count from 1 to 155,139,644,668,864 would take you about twelve million, three hundred thirty-two thousand, four hundred 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 155139644668864 cubic inches would be around 4477.7 feet tall.

Recreational maths with 155139644668864

• 155139644668864 backwards is 468866446931551
• 155139644668864 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 155139644668864's digits is 76
• More coming soon!