21126247632

Names of 21126247632

• Cardinal: 21126247632 can be written as Twenty-one billion, one hundred twenty-six million, two hundred forty-seven thousand, six hundred thirty-two.

Scientific notation

• Scientific notation: 2.1126247632 × 10¹⁰

Factors of 21126247632

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 28152

Divisors of 21126247632

• Number of divisors d(n): 200
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 72 81 83 84 108 112 126 144 162 166 168 189 216 249 252 324 332 336 378 432 498 504 567 581 648 664 747 756 996 1008 1134 1162 1296 1328 1494 1512 1743 1992 2241 2268 2324 2988 3024 3486 3984 4482 4536 4648 5229 5976 6723 6972 8964 9072 9296 10458 11952 13446 13944 15687 17928 20916 26892 27888 28057 31374 35856 41832 47061 53784 56114 62748 83664 84171 94122 107568 112228 125496 168342 188244 196399 224456 250992 252513 336684 376488 392798 448912 505026 589197 673368 752976 757539 785596 1010052 1178394 1346736 1515078 1571192 1767591 2020104 2272617 2328731 2356788 3030156 3142384 3535182 4040208 4545234 4657462 4713576 5302773 6060312 6986193 7070364 9090468 9314924 9427152 10605546 12120624 13972386 14140728 15908319 16301117 18180936 18629848 20958579 21211092 27944772 28281456 31816638 32602234 36361872 37259696 41917158 42422184 48903351 55889544 62875737 63633276 65204468 83834316 84844368 97806702 111779088 125751474 127266552 130408936 146710053 167668632 188627211 195613404 251502948 254533104 260817872 293420106 335337264 377254422 391226808 440130159 503005896 586840212 754508844 782453616 880260318 1006011792 1173680424 1320390477 1509017688 1760520636 2347360848 2640780954 3018035376 3521041272 5281561908 7042082544 10563123816 21126247632
• Sum of all divisors σ(n): 70725014976
• Sum of proper divisors (its aliquot sum) s(n): 49598767344
• 21126247632 is an abundant number, because the sum of its proper divisors (49598767344) is greater than itself. Its abundance is 28472519712

Bases of 21126247632

• Binary: 10011101011001110001111010011010000₂
• Hexadecimal: 0x4EB38F4D0
• Base-36: 9PE0T00

Squares and roots of 21126247632

• 21126247632 squared (21126247632²) is 446318339008585607424
• 21126247632 cubed (21126247632³) is 9429031752598304916510561619968
• The square root of 21126247632 is 145348.7104586759
• The cube root of 21126247632 is 2764.4418268835

Scales and comparisons

• 21,126,247,632 seconds is equal to 671 years, 38 weeks, 6 days, 18 hours, 7 minutes, 12 seconds.
• To count from 1 to 21,126,247,632 would take you about one thousand, three hundred forty-three 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 21126247632 cubic inches would be around 230.4 feet tall.

Recreational maths with 21126247632

• 21126247632 backwards is 23674262112
• 21126247632 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21126247632's digits is 36
• More coming soon!