21031059456

Names of 21031059456

• Cardinal: 21031059456 can be written as Twenty-one billion, thirty-one million, fifty-nine thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 2.1031059456 × 10¹⁰

Factors of 21031059456

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 2177

Divisors of 21031059456

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 64 66 72 88 96 99 108 128 132 144 176 192 198 216 256 264 288 297 352 384 396 432 512 528 576 594 704 768 792 864 1024 1056 1152 1188 1408 1536 1584 1728 2048 2112 2161 2304 2376 2816 3072 3168 3456 4096 4224 4322 4608 4752 5632 6144 6336 6483 6912 8192 8448 8644 9216 9504 11264 12288 12672 12966 13824 16384 16896 17288 18432 19008 19449 22528 23771 24576 25344 25932 27648 32768 33792 34576 36864 38016 38898 45056 47542 49152 50688 51864 55296 58347 67584 69152 71313 73728 76032 77796 90112 95084 98304 101376 103728 110592 116694 135168 138304 142626 147456 152064 155592 180224 190168 202752 207456 213939 221184 233388 270336 276608 285252 294912 304128 311184 360448 380336 405504 414912 427878 442368 466776 540672 553216 570504 608256 622368 641817 760672 811008 829824 855756 884736 933552 1081344 1106432 1141008 1216512 1244736 1283634 1521344 1622016 1659648 1711512 1867104 2212864 2282016 2433024 2489472 2567268 3042688 3244032 3319296 3423024 3734208 4425728 4564032 4866048 4978944 5134536 6085376 6638592 6846048 7468416 8851456 9128064 9732096 9957888 10269072 12170752 13277184 13692096 14936832 17702912 18256128 19915776 20538144 24341504 26554368 27384192 29873664 35405824 36512256 39831552 41076288 48683008 53108736 54768384 59747328 70811648 73024512 79663104 82152576 97366016 106217472 109536768 119494656 146049024 159326208 164305152 194732032 212434944 219073536 238989312 292098048 318652416 328610304 389464064 438147072 477978624 584196096 637304832 657220608 778928128 876294144 955957248 1168392192 1314441216 1752588288 1911914496 2336784384 2628882432 3505176576 5257764864 7010353152 10515529728 21031059456
• Sum of all divisors σ(n): 68009601600
• Sum of proper divisors (its aliquot sum) s(n): 46978542144
• 21031059456 is an abundant number, because the sum of its proper divisors (46978542144) is greater than itself. Its abundance is 25947482688

Bases of 21031059456

• Binary: 10011100101100011001000000000000000₂
• Hexadecimal: 0x4E58C8000
• Base-36: 9NTCLC0

Squares and roots of 21031059456

• 21031059456 squared (21031059456²) is 442305461841807015936
• 21031059456 cubed (21031059456³) is 9302152465708582618627955490816
• The square root of 21031059456 is 145020.8931706049
• The cube root of 21031059456 is 2760.2836759465

Scales and comparisons

• 21,031,059,456 seconds is equal to 668 years, 37 weeks, 4 days, 57 minutes, 36 seconds.
• To count from 1 to 21,031,059,456 would take you about one 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 21031059456 cubic inches would be around 230 feet tall.

Recreational maths with 21031059456

• 21031059456 backwards is 65495013012
• 21031059456 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21031059456's digits is 36
• More coming soon!