21438974290176

Names of 21438974290176

• Cardinal: 21438974290176 can be written as Twenty-one trillion, four hundred thirty-eight billion, nine hundred seventy-four million, two hundred ninety thousand, one hundred seventy-six.

Scientific notation

• Scientific notation: 2.1438974290176 × 10¹³

Factors of 21438974290176

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 5101

Divisors of 21438974290176

• Number of divisors d(n): 243
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 64 72 76 96 114 128 144 152 171 192 228 256 288 304 342 361 384 456 576 608 684 722 768 912 1083 1152 1216 1368 1444 1824 2166 2304 2432 2736 2888 3249 3648 4332 4864 5077 5472 5776 6498 7296 8664 10154 10944 11552 12996 14592 15231 17328 20308 21888 23104 25992 30462 34656 40616 43776 45693 46208 51984 60924 69312 81232 91386 92416 96463 103968 121848 138624 162464 182772 192926 207936 243696 277248 289389 324928 365544 385852 415872 487392 578778 649856 731088 771704 831744 868167 974784 1157556 1299712 1462176 1543408 1736334 1832797 1949568 2315112 2924352 3086816 3472668 3665594 3899136 4630224 5498391 5848704 6173632 6945336 7331188 9260448 10996782 11697408 12347264 13890672 14662376 16495173 18520896 21993564 24694528 25775929 27781344 29324752 32990346 37041792 43987128 51551858 55562688 58649504 65980692 74083584 77327787 87974256 103103716 111125376 117299008 131961384 154655574 175948512 206207432 222250752 231983361 234598016 263922768 309311148 351897024 412414864 463966722 469196032 489742651 527845536 618622296 703794048 824829728 927933444 979485302 1055691072 1237244592 1407588096 1469227953 1649659456 1855866888 1958970604 2111382144 2474489184 2938455906 3299318912 3711733776 3917941208 4222764288 4407683859 4948978368 5876911812 6598637824 7423467552 7835882416 8815367718 9305110369 9897956736 11753823624 14846935104 15671764832 17630735436 18610220738 19795913472 23507647248 27915331107 29693870208 31343529664 35261470872 37220441476 47015294496 55830662214 59387740416 62687059328 70522941744 74440882952 83745993321 94030588992 111661324428 125374118656 141045883488 148881765904 167491986642 188061177984 223322648856 282091766976 297763531808 334983973284 376122355968 446645297712 564183533952 595527063616 669967946568 893290595424 1128367067904 1191054127232 1339935893136 1786581190848 2382108254464 2679871786272 3573162381696 5359743572544 7146324763392 10719487145088 21438974290176
• Sum of all divisors σ(n): 65251290439881
• Sum of proper divisors (its aliquot sum) s(n): 43812316149705
• 21438974290176 is an abundant number, because the sum of its proper divisors (43812316149705) is greater than itself. Its abundance is 22373341859529

Bases of 21438974290176

• Binary: 100110111111110100110011100100110100100000000₂
• Hexadecimal: 0x137FA6726900
• Base-36: 7LKXFR5S0

Squares and roots of 21438974290176

• 21438974290176 squared (21438974290176²) is 459629618614827523050110976
• 21438974290176 cubed (21438974290176³) is 9853987576486687492331921240167626571776
• 21438974290176 is a perfect square number. Its square root is 4630224
• The cube root of 21438974290176 is 27780.1552083903

Scales and comparisons

• 21,438,974,290,176 seconds is equal to 681,693 years, 3 weeks, 3 days, 12 hours, 9 minutes, 36 seconds.
• To count from 1 to 21,438,974,290,176 would take you about one million, seven hundred four thousand, two hundred thirty-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 21438974290176 cubic inches would be around 2315 feet tall.

Recreational maths with 21438974290176

• 21438974290176 backwards is 67109247983412
• The number of decimal digits it has is: 14
• The sum of 21438974290176's digits is 63
• More coming soon!