21447016704

Names of 21447016704

• Cardinal: 21447016704 can be written as Twenty-one billion, four hundred forty-seven million, sixteen thousand, seven hundred four.

Scientific notation

• Scientific notation: 2.1447016704 × 10¹⁰

Factors of 21447016704

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 118

Divisors of 21447016704

• Number of divisors d(n): 243
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 113 128 144 162 192 216 226 243 256 288 324 339 384 432 452 486 576 648 678 729 768 864 904 972 1017 1152 1296 1356 1458 1728 1808 1944 2034 2187 2304 2592 2712 2916 3051 3456 3616 3888 4068 4374 5184 5424 5832 6102 6561 6912 7232 7776 8136 8748 9153 10368 10848 11664 12204 12769 13122 14464 15552 16272 17496 18306 20736 21696 23328 24408 25538 26244 27459 28928 31104 32544 34992 36612 38307 43392 46656 48816 51076 52488 54918 62208 65088 69984 73224 76614 82377 86784 93312 97632 102152 104976 109836 114921 130176 139968 146448 153228 164754 186624 195264 204304 209952 219672 229842 247131 260352 279936 292896 306456 329508 344763 390528 408608 419904 439344 459684 494262 559872 585792 612912 659016 689526 741393 781056 817216 839808 878688 919368 988524 1034289 1171584 1225824 1318032 1379052 1482786 1634432 1679616 1757376 1838736 1977048 2068578 2343168 2451648 2636064 2758104 2965572 3102867 3268864 3514752 3677472 3954096 4137156 4903296 5272128 5516208 5931144 6205734 7029504 7354944 7908192 8274312 9308601 9806592 10544256 11032416 11862288 12411468 14709888 15816384 16548624 18617202 21088512 22064832 23724576 24822936 27925803 29419776 31632768 33097248 37234404 44129664 47449152 49645872 55851606 63265536 66194496 74468808 83777409 88259328 94898304 99291744 111703212 132388992 148937616 167554818 189796608 198583488 223406424 264777984 297875232 335109636 397166976 446812848 595750464 670219272 794333952 893625696 1191500928 1340438544 1787251392 2383001856 2680877088 3574502784 5361754176 7149005568 10723508352 21447016704
• Sum of all divisors σ(n): 64785399133
• Sum of proper divisors (its aliquot sum) s(n): 43338382429
• 21447016704 is an abundant number, because the sum of its proper divisors (43338382429) is greater than itself. Its abundance is 21891365725

Bases of 21447016704

• Binary: 10011111110010101111000000100000000₂
• Hexadecimal: 0x4FE578100
• Base-36: 9UP0000

Squares and roots of 21447016704

• 21447016704 squared (21447016704²) is 459974525501655023616
• 21447016704 cubed (21447016704³) is 9865081331848469271137866481664
• 21447016704 is a perfect square number. Its square root is 146448
• The cube root of 21447016704 is 2778.3628502243

Scales and comparisons

• 21,447,016,704 seconds is equal to 681 years, 49 weeks, 2 days, 8 hours, 38 minutes, 24 seconds.
• To count from 1 to 21,447,016,704 would take you about one thousand, three hundred sixty-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 21447016704 cubic inches would be around 231.5 feet tall.

Recreational maths with 21447016704

• 21447016704 backwards is 40761074412
• 21447016704 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21447016704's digits is 36
• More coming soon!