1621240804938384

Names of 1621240804938384

• Cardinal: 1621240804938384 can be written as One quadrillion, six hundred twenty-one trillion, two hundred forty billion, eight hundred four million, nine hundred thirty-eight thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 1.621240804938384 × 10¹⁵

Factors of 1621240804938384

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 665029

Divisors of 1621240804938384

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 61 63 72 84 112 122 126 144 168 183 244 252 336 366 427 488 504 549 732 854 976 1008 1098 1281 1464 1708 2196 2562 2928 3416 3843 4392 5124 6832 7686 8784 10248 15372 20496 30744 42349 61488 84698 127047 169396 254094 296443 338792 381141 508188 592886 622607 677584 762282 889329 1016376 1185772 1245214 1524564 1778658 1867821 2032752 2371544 2490428 2583289 2667987 3049128 3557316 3735642 4358249 4743088 4980856 5166578 5335974 5603463 6098256 7114632 7471284 7749867 8716498 9961712 10333156 10671948 11206926 13074747 14229264 14942568 15499734 17432996 18083023 20666312 21343896 22413852 23249601 26149494 29885136 30999468 34865992 36166046 37979027 39224241 41332624 42687792 44827704 46499202 52298988 54249069 61998936 69731984 72332092 75958054 78448482 89655408 92998404 104597976 108498138 113937081 123997872 144664184 151916108 156896964 162747207 185996808 209195952 216996276 227874162 265853189 289328368 303832216 313793928 325494414 341811243 371993616 433992552 455748324 531706378 607664432 627587856 650988828 683622486 797559567 867985104 911496648 1063412756 1301977656 1367244972 1595119134 1822993296 2126825512 2392678701 2603955312 2734489944 3190238268 4253651024 4785357402 5468979888 6380476536 9570714804 12760953072 19141429608 26366783843 38282859216 52733567686 79100351529 105467135372 158200703058 184567486901 210934270744 237301054587 316401406116 369134973802 421868541488 474602109174 553702460703 632802812232 738269947604 949204218348 1107404921406 1265605624464 1476539895208 1608373814423 1661107382109 1898408436696 2214809842812 2953079790416 3216747628846 3322214764218 3796816873392 4429619685624 4825121443269 6433495257692 6644429528436 8859239371248 9650242886538 11258616700961 12866990515384 13288859056872 14475364329807 19300485773076 22517233401922 25733981030768 26577718113744 28950728659614 33775850102883 38600971546152 45034466803844 57901457319228 67551700205766 77201943092304 90068933607688 101327550308649 115802914638456 135103400411532 180137867215376 202655100617298 231605829276912 270206800823064 405310201234596 540413601646128 810620402469192 1621240804938384
• Sum of all divisors σ(n): 5270536605734400
• Sum of proper divisors (its aliquot sum) s(n): 3649295800796016
• 1621240804938384 is an abundant number, because the sum of its proper divisors (3649295800796016) is greater than itself. Its abundance is 2028054995857632

Bases of 1621240804938384

• Binary: 101110000101000001010001010010001100001001010010000₂
• Hexadecimal: 0x5C2828A461290
• Base-36: FYOJQS29W0

Squares and roots of 1621240804938384

• 1621240804938384 squared (1621240804938384²) is 2628421747597259278122036531456
• 1621240804938384 cubed (1621240804938384³) is 4261304589792134613456336666816365859157807104
• The square root of 1621240804938384 is 40264634.6678867063
• The cube root of 1621240804938384 is 117476.0066884043

Scales and comparisons

• 1,621,240,804,938,384 seconds is equal to 51,550,442 years, 40 weeks, 6 hours, 26 minutes, 24 seconds.
• To count from 1 to 1,621,240,804,938,384 would take you about one hundred fifty-four million, six hundred fifty-one thousand, three hundred twenty-eight 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 1621240804938384 cubic inches would be around 9789.7 feet tall.

Recreational maths with 1621240804938384

• 1621240804938384 backwards is 4838394080421261
• 1621240804938384 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 1621240804938384's digits is 63
• More coming soon!