1621405086206976

Names of 1621405086206976

• Cardinal: 1621405086206976 can be written as One quadrillion, six hundred twenty-one trillion, four hundred five billion, eighty-six million, two hundred six thousand, nine hundred seventy-six.

Scientific notation

• Scientific notation: 1.621405086206976 × 10¹⁵

Factors of 1621405086206976

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 689

Divisors of 1621405086206976

• Number of divisors d(n): 616
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 81 84 96 108 112 126 128 144 162 168 189 192 216 224 243 252 256 288 324 336 378 384 432 448 486 504 512 567 576 648 672 677 729 756 768 864 896 972 1008 1024 1134 1152 1296 1344 1354 1458 1512 1536 1701 1728 1792 1944 2016 2031 2268 2304 2592 2688 2708 2916 3024 3072 3402 3456 3584 3888 4032 4062 4536 4608 4739 5103 5184 5376 5416 5832 6048 6093 6804 6912 7168 7776 8064 8124 9072 9216 9478 10206 10368 10752 10832 11664 12096 12186 13608 13824 14217 15552 16128 16248 18144 18279 18956 20412 20736 21504 21664 23328 24192 24372 27216 27648 28434 31104 32256 32496 36288 36558 37912 40824 41472 42651 43328 46656 48384 48744 54432 54837 56868 62208 64512 64992 72576 73116 75824 81648 82944 85302 86656 93312 96768 97488 108864 109674 113736 124416 127953 129984 145152 146232 151648 163296 164511 170604 173312 186624 193536 194976 217728 219348 227472 248832 255906 259968 290304 292464 303296 326592 329022 341208 346624 373248 383859 389952 435456 438696 454944 458329 493533 511812 519936 580608 584928 606592 653184 658044 682416 693248 746496 767718 779904 870912 877392 909888 916658 987066 1023624 1039872 1151577 1169856 1213184 1306368 1316088 1364832 1374987 1535436 1559808 1741824 1754784 1819776 1833316 1974132 2047248 2079744 2303154 2339712 2426368 2612736 2632176 2729664 2749974 3070872 3119616 3208303 3454731 3509568 3639552 3666632 3948264 4094496 4124961 4606308 4679424 4852736 5225472 5264352 5459328 5499948 6141744 6239232 6416606 6909462 7019136 7279104 7333264 7896528 8188992 8249922 9212616 9358848 9624909 10528704 10918656 10999896 12283488 12374883 12833212 13818924 14038272 14558208 14666528 15793056 16377984 16499844 18425232 18717696 19249818 21057408 21837312 21999792 24566976 24749766 25666424 27637848 28076544 28874727 29333056 31586112 32755968 32999688 36850464 37124649 38499636 42114816 43674624 43999584 49133952 49499532 51332848 55275696 56153088 57749454 58666112 63172224 65511936 65999376 73700928 74249298 76999272 84229632 86624181 87999168 98267904 98999064 102665696 110551392 111373947 115498908 117332224 126344448 131023872 131998752 147401856 148498596 153998544 168459264 173248362 175998336 196535808 197998128 205331392 221102784 222747894 230997816 234664448 252688896 259872543 263997504 294803712 296997192 307997088 310288733 334121841 346496724 351996672 393071616 395996256 410662784 442205568 445495788 461995632 469328896 505377792 519745086 527995008 589607424 593994384 615994176 620577466 668243682 692993448 703993344 779617629 791992512 821325568 884411136 890991576 923991264 930866199 1039490172 1055990016 1179214848 1187988768 1231988352 1241154932 1336487364 1385986896 1407986688 1559235258 1583985024 1642651136 1768822272 1781983152 1847982528 1861732398 2078980344 2111980032 2172021131 2338852887 2375977536 2463976704 2482309864 2672974728 2771973792 2792598597 3118470516 3167970048 3285302272 3537644544 3563966304 3695965056 3723464796 4157960688 4223960064 4344042262 4677705774 4751955072 4927953408 4964619728 5345949456 5543947584 5585197194 6236941032 6335940096 6516063393 7127932608 7391930112 7446929592 8315921376 8377795791 8688084524 9355411548 9503910144 9855906816 9929239456 10691898912 11087895168 11170394388 12473882064 12671880192 13032126786 14255865216 14783860224 14893859184 16631842752 16755591582 17376169048 18710823096 19007820288 19548190179 19858478912 21383797824 22175790336 22340788776 24947764128 25133387373 26064253572 28511730432 29567720448 29787718368 33263685504 33511183164 34752338096 37421646192 38015640576 39096380358 39716957824 42767595648 44351580672 44681577552 49895528256 50266774746 52128507144 57023460864 58644570537 59575436736 66527371008 67022366328 69504676192 74843292384 75400162119 78192760716 79433915648 85535191296 88703161344 89363155104 99791056512 100533549492 104257014288 114046921728 117289141074 119150873472 133054742016 134044732656 139009352384 149686584768 150800324238 156385521432 158867831296 171070382592 175933711611 178726310208 199582113024 201067098984 208514028576 226200486357 234578282148 238301746944 266109484032 268089465312 278018704768 299373169536 301600648476 312771042864 317735662592 342140765184 351867423222 357452620416 399164226048 402134197968 417028057152 452400972714 469156564296 476603493888 527801134833 536178930624 556037409536 598746339072 603201296952 625542085728 703734846444 714905240832 798328452096 804268395936 834056114304 904801945428 938313128592 953206987776 1055602269666 1072357861248 1112074819072 1197492678144 1206402593904 1251084171456 1407469692888 1429810481664 1583403404499 1608536791872 1668112228608 1809603890856 1876626257184 2111204539332 2144715722496 2224149638144 2394985356288 2412805187808 2502168342912 2814939385776 2859620963328 3166806808998 3217073583744 3336224457216 3619207781712 3753252514368 4222409078664 4289431444992 4825610375616 5004336685824 5629878771552 6333613617996 6434147167488 6672448914432 7238415563424 7506505028736 8444818157328 8578862889984 9651220751232 10008673371648 11259757543104 12667227235992 12868294334976 14476831126848 15013010057472 16889636314656 19302441502464 20017346743296 22519515086208 25334454471984 25736588669952 28953662253696 30026020114944 33779272629312 38604883004928 45039030172416 50668908943968 57907324507392 60052040229888 67558545258624 77209766009856 90078060344832 101337817887936 115814649014784 135117090517248 180156120689664 202675635775872 231629298029568 270234181034496 405351271551744 540468362068992 810702543103488 1621405086206976
• Sum of all divisors σ(n): 5562063854332320
• Sum of proper divisors (its aliquot sum) s(n): 3940658768125344
• 1621405086206976 is an abundant number, because the sum of its proper divisors (3940658768125344) is greater than itself. Its abundance is 2319253681918368

Bases of 1621405086206976

• Binary: 101110000101010100011001010001100110100110000000000₂
• Hexadecimal: 0x5C2A8CA334C00
• Base-36: FYQN7OW000

Squares and roots of 1621405086206976

• 1621405086206976 squared (1621405086206976²) is 2628954453577851274202711064576
• 1621405086206976 cubed (1621405086206976³) is 4262600122437609429927585660421381158837682176
• The square root of 1621405086206976 is 40266674.6355714851
• The cube root of 1621405086206976 is 117479.9745249575

Scales and comparisons

• 1,621,405,086,206,976 seconds is equal to 51,555,666 years, 21 weeks, 20 hours, 9 minutes, 36 seconds.
• To count from 1 to 1,621,405,086,206,976 would take you about one hundred fifty-four million, six hundred sixty-six thousand, nine hundred ninety-nine 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 1621405086206976 cubic inches would be around 9790 feet tall.

Recreational maths with 1621405086206976

• 1621405086206976 backwards is 6796026805041261
• 1621405086206976 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 1621405086206976's digits is 63
• More coming soon!