21980481180

Names of 21980481180

• Cardinal: 21980481180 can be written as Twenty-one billion, nine hundred eighty million, four hundred eighty-one thousand, one hundred eighty.

Scientific notation

• Scientific notation: 2.198048118 × 10¹⁰

Factors of 21980481180

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 702

Divisors of 21980481180

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 31 35 42 53 60 62 70 84 93 105 106 124 140 155 159 186 210 212 217 265 310 318 371 372 420 434 465 530 601 620 636 651 742 795 868 930 1060 1085 1113 1202 1302 1484 1590 1643 1803 1855 1860 2170 2226 2404 2604 2809 3005 3180 3255 3286 3606 3710 4207 4340 4452 4929 5565 5618 6010 6510 6572 7212 7420 8215 8414 8427 9015 9858 11130 11236 11501 12020 12621 13020 14045 16430 16828 16854 18030 18631 19663 19716 21035 22260 23002 24645 25242 28090 31853 32860 33708 34503 36060 37262 39326 42070 42135 46004 49290 50484 55893 56180 57505 58989 63105 63706 69006 74524 78652 84140 84270 87079 93155 95559 98315 98580 111786 115010 117978 126210 127412 130417 138012 159265 168540 172515 174158 186310 191118 196630 222971 223572 230020 235956 252420 260834 261237 279465 294945 318530 345030 348316 372620 382236 391251 393260 435395 445942 477795 521668 522474 558930 589890 609553 637060 652085 668913 690060 782502 870790 891884 955590 987443 1044948 1114855 1117860 1179780 1219106 1304170 1306185 1337826 1565004 1688209 1741580 1828659 1911180 1956255 1974886 2229710 2438212 2608340 2612370 2675652 2962329 3047765 3344565 3376418 3657318 3912510 3949772 4459420 4937215 5064627 5224740 5924658 6095530 6689130 6752836 6912101 7314636 7825020 8441045 9143295 9874430 10129254 11817463 11849316 12191060 13378260 13824202 14811645 16882090 18286590 19748860 20258508 20736303 23634926 25323135 27648404 29623290 33764180 34560505 35452389 36573180 41472606 47269852 50646270 52334479 59087315 59246580 69121010 70904778 82945212 101292540 103681515 104668958 118174630 138242020 141809556 157003437 177261945 207363030 209337916 236349260 261672395 314006874 354523890 366341353 414726060 523344790 628013748 709047780 732682706 785017185 1046689580 1099024059 1465365412 1570034370 1831706765 2198048118 3140068740 3663413530 4396096236 5495120295 7326827060 10990240590 21980481180
• Sum of all divisors σ(n): 74125406208
• Sum of proper divisors (its aliquot sum) s(n): 52144925028
• 21980481180 is an abundant number, because the sum of its proper divisors (52144925028) is greater than itself. Its abundance is 30164443848

Bases of 21980481180

• Binary: 10100011110001000111000011010011100₂
• Hexadecimal: 0x51E23869C
• Base-36: A3ILZTO

Squares and roots of 21980481180

• 21980481180 squared (21980481180²) is 483141552904334192400
• 21980481180 cubed (21980481180³) is 10619683810889692056478699032000
• The square root of 21980481180 is 148258.1572123437
• The cube root of 21980481180 is 2801.2104112001

Scales and comparisons

• 21,980,481,180 seconds is equal to 698 years, 47 weeks, 2 days, 17 hours, 13 minutes.
• To count from 1 to 21,980,481,180 would take you about one thousand, three hundred ninety-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 21980481180 cubic inches would be around 233.4 feet tall.

Recreational maths with 21980481180

• 21980481180 backwards is 08118408912
• 21980481180 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21980481180's digits is 42
• More coming soon!