21643343040
21,643,343,040 is an even composite number composed of six prime numbers multiplied together.
21643343040 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred twenty-four divisors.
Prime factorization of 21643343040:
26 × 3 × 5 × 11 × 263 × 7793
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 11 × 263 × 7793)See below for interesting mathematical facts about the number 21643343040 from the Numbermatics database.
Names of 21643343040
- Cardinal: 21643343040 can be written as Twenty-one billion, six hundred forty-three million, three hundred forty-three thousand and forty.
Scientific notation
- Scientific notation: 2.164334304 × 1010
Factors of 21643343040
Divisors of 21643343040
- Number of divisors d(n): 224
-
Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 64 66 80 88 96 110 120 132 160 165 176 192 220 240 263 264 320 330 352 440 480 526 528 660 704 789 880 960 1052 1056 1315 1320 1578 1760 2104 2112 2630 2640 2893 3156 3520 3945 4208 5260 5280 5786 6312 7793 7890 8416 8679 10520 10560 11572 12624 14465 15586 15780 16832 17358 21040 23144 23379 25248 28930 31172 31560 34716 38965 42080 43395 46288 46758 50496 57860 62344 63120 69432 77930 84160 85723 86790 92576 93516 115720 116895 124688 126240 138864 155860 171446 173580 185152 187032 231440 233790 249376 252480 257169 277728 311720 342892 347160 374064 428615 462880 467580 498752 514338 555456 623440 685784 694320 748128 857230 925760 935160 1028676 1246880 1285845 1371568 1388640 1496256 1714460 1870320 2049559 2057352 2493760 2571690 2743136 2777280 3428920 3740640 4099118 4114704 5143380 5486272 6148677 6857840 7481280 8198236 8229408 10247795 10286760 12297354 13715680 16396472 16458816 20495590 20573520 22545149 24594708 27431360 30743385 32792944 40991180 41147040 45090298 49189416 61486770 65585888 67635447 81982360 82294080 90180596 98378832 112725745 122973540 131171776 135270894 163964720 180361192 196757664 225451490 245947080 270541788 327929440 338177235 360722384 393515328 450902980 491894160 541083576 655858880 676354470 721444768 901805960 983788320 1082167152 1352708940 1442889536 1803611920 1967576640 2164334304 2705417880 3607223840 4328668608 5410835760 7214447680 10821671520 21643343040
- Sum of all divisors σ(n): 75259362816
- Sum of proper divisors (its aliquot sum) s(n): 53616019776
- 21643343040 is an abundant number, because the sum of its proper divisors (53616019776) is greater than itself. Its abundance is 31972676736
Bases of 21643343040
- Binary: 101000010100000101100110100110000002
- Hexadecimal: 0x50A0B34C0
- Base-36: 9XXVYDC
Squares and roots of 21643343040
- 21643343040 squared (216433430402) is 468434297947116441600
- 21643343040 cubed (216433430403) is 10138484202171008924372926464000
-
The
square root of 21643343040 is 147116.7666855141 -
The
cube root of 21643343040 is 2786.8148386475
Scales and comparisons
How big is 21643343040?- 21,643,343,040 seconds is equal to 688 years, 9 weeks, 6 days, 15 hours, 44 minutes.
-
To count from 1 to 21,643,343,040 would take you about one thousand, three hundred seventy-six 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 21643343040 cubic inches would be around 232.2 feet tall.
Recreational maths with 21643343040
- 21643343040 backwards is 04034334612
- 21643343040 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21643343040's digits is 30
- More coming soon!
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