6991438319914125

Names of 6991438319914125

• Cardinal: 6991438319914125 can be written as Six quadrillion, nine hundred ninety-one trillion, four hundred thirty-eight billion, three hundred nineteen million, nine hundred fourteen thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 6.991438319914125 × 10¹⁵

Factors of 6991438319914125

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 189

Divisors of 6991438319914125

• Number of divisors d(n): 400
• Complete list of divisors:
  1 3 5 7 11 15 21 25 33 35 49 55 75 77 105 125 147 163 165 175 231 245 275 343 375 385 489 525 539 735 815 825 875 1029 1141 1155 1225 1375 1617 1715 1793 1925 2401 2445 2625 2695 3423 3675 3773 4075 4125 5145 5379 5705 5775 6125 7203 7987 8085 8575 8965 9625 11319 12005 12225 12551 13475 17115 18375 18865 20375 23961 25725 26411 26569 26895 28525 28875 36015 37653 39935 40425 42875 44825 55909 56595 60025 61125 62755 67375 79233 79707 85575 87857 94325 119805 128625 132055 132845 134475 142625 167727 180075 185983 188265 199675 202125 224125 263571 279545 282975 292259 300125 313775 391363 396165 398535 427875 439285 471625 557949 599025 614999 660275 664225 672375 838635 876777 900375 929915 941325 998375 1174089 1301881 1317855 1397725 1414875 1461295 1568875 1844997 1956815 1980825 1992675 2045813 2196425 2789745 2995125 3074995 3301375 3321125 3905643 4193175 4304993 4330747 4383885 4649575 4706625 5870445 6137439 6509405 6589275 6988625 7306475 9113167 9224985 9784075 9904125 9963375 10229065 10982125 12914979 12992241 13948725 14320691 15374975 19528215 20965875 21524965 21653735 21919425 23247875 27339501 29352225 30315229 30687195 32547025 32946375 36532375 42962073 45565835 46124925 47638217 48920375 51145325 63792169 64574895 64961205 69743625 71603455 76874875 90945687 97641075 100244837 107624825 108268675 109597125 136697505 142914651 146761125 151576145 153435975 162735125 191376507 212206603 214810365 227829175 230624625 238191085 255726625 300734511 318960845 322874475 324806025 333467519 358017275 454728435 488205375 501224185 538124125 541343375 636619809 683487525 701713859 705911761 714573255 757880725 767179875 956882535 1000402557 1061033015 1074051825 1139145875 1190955425 1485446221 1503672555 1594804225 1614372375 1624030125 1667337595 1790086375 2105141577 2117735283 2273642175 2334272633 2506120925 3183099045 3417437625 3508569295 3529558805 3572866275 3789403625 4456338663 4784412675 4941382327 5002012785 5305165075 5370259125 5954777125 7002817899 7427231105 7518362775 7765029371 7974021125 8336687975 10398123547 10525707885 10588676415 11368210875 11671363165 12530604625 14824146981 15915495225 16339908431 17542846475 17647794025 17864331375 22281693315 23295088113 23922063375 24706911635 25010063925 26525825375 31194370641 34589676289 35014089495 37136155525 37591813875 38825146855 41683439875 49019725293 51990617735 52628539425 52943382075 54355205597 58356815825 74120734905 79577476125 81699542155 87714232375 88238970125 103769028867 111408466575 114379359017 116475440565 123534558175 125050319625 155971853205 163065616791 172948381445 175070447475 185680777625 194125734275 242127734023 245098626465 259953088675 263142697125 264716910375 271776027985 291784079125 343138077051 370603674525 380486439179 408497710775 518845144335 557042332875 571896795085 582377202825 617672790875 726383202069 779859266025 815328083955 864741907225 875352237375 970628671375 1141459317537 1210638670115 1225493132325 1299765443375 1358880139925 1694894138161 1715690385255 1853018372625 1902432195895 2042488553875 2594225721675 2663405074253 2859483975425 2911886014125 3631916010345 3899296330125 4076640419775 4323709536125 5084682414483 5707296587685 6053193350575 6127465661625 6794400699625 7990215222759 8474470690805 8578451926275 9512160979475 12971128608375 13317025371265 14297419877125 18159580051725 18643835519771 20383202098875 25423412072415 28536482938425 30265966752875 39951076113795 42372353454025 42892259631375 47560804897375 55931506559313 66585126856325 90797900258625 93219177598855 127117060362075 142682414692125 199755380568975 211861767270125 279657532796565 332925634281625 466095887994275 635585301810375 998776902844875 1398287663982825 2330479439971375 6991438319914125
• Sum of all divisors σ(n): 14897107510579008
• Sum of proper divisors (its aliquot sum) s(n): 7905669190664883
• 6991438319914125 is an abundant number, because the sum of its proper divisors (7905669190664883) is greater than itself. Its abundance is 914230870750758

Bases of 6991438319914125

• Binary: 11000110101101010110100010101100001110000110010001101₂
• Hexadecimal: 0x18D6AD15870C8D
• Base-36: 1WU9AFA372L

Squares and roots of 6991438319914125

• 6991438319914125 squared (6991438319914125²) is 48880209781163642868547374515625
• 6991438319914125 cubed (6991438319914125³) is 341742971749468718926999409092595557963470703125
• The square root of 6991438319914125 is 83614821.1737256841
• The cube root of 6991438319914125 is 191215.0964362373

Scales and comparisons

• 6,991,438,319,914,125 seconds is equal to 222,306,112 years, 33 weeks, 8 minutes, 45 seconds.
• To count from 1 to 6,991,438,319,914,125 would take you about six hundred sixty-six million, nine hundred eighteen thousand, three hundred thirty-seven 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 6991438319914125 cubic inches would be around 15934.6 feet tall.

Recreational maths with 6991438319914125

• 6991438319914125 backwards is 5214199138341996
• 6991438319914125 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 6991438319914125's digits is 75
• More coming soon!