21017153040
21,017,153,040 is an even composite number composed of seven prime numbers multiplied together.
21017153040 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21017153040:
24 × 3 × 5 × 13 × 17 × 71 × 5581
(2 × 2 × 2 × 2 × 3 × 5 × 13 × 17 × 71 × 5581)See below for interesting mathematical facts about the number 21017153040 from the Numbermatics database.
Names of 21017153040
- Cardinal: 21017153040 can be written as Twenty-one billion, seventeen million, one hundred fifty-three thousand and forty.
Scientific notation
- Scientific notation: 2.101715304 × 1010
Factors of 21017153040
Divisors of 21017153040
- Number of divisors d(n): 320
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 16 17 20 24 26 30 34 39 40 48 51 52 60 65 68 71 78 80 85 102 104 120 130 136 142 156 170 195 204 208 213 221 240 255 260 272 284 312 340 355 390 408 426 442 510 520 568 624 663 680 710 780 816 852 884 923 1020 1040 1065 1105 1136 1207 1326 1360 1420 1560 1704 1768 1846 2040 2130 2210 2414 2652 2769 2840 3120 3315 3408 3536 3621 3692 4080 4260 4420 4615 4828 5304 5538 5581 5680 6035 6630 7242 7384 8520 8840 9230 9656 10608 11076 11162 12070 13260 13845 14484 14768 15691 16743 17040 17680 18105 18460 19312 22152 22324 24140 26520 27690 27905 28968 31382 33486 36210 36920 44304 44648 47073 48280 53040 55380 55810 57936 62764 66972 72420 72553 73840 78455 83715 89296 94146 94877 96560 110760 111620 125528 133944 144840 145106 156910 167430 188292 189754 217659 221520 223240 235365 251056 267888 284631 289680 290212 313820 334860 362765 376584 379508 396251 435318 446480 470730 474385 569262 580424 627640 669720 725530 753168 759016 792502 870636 941460 948770 1088295 1138524 1160848 1188753 1233401 1255280 1339440 1423155 1451060 1518032 1585004 1741272 1882920 1897540 1981255 2176590 2277048 2377506 2466802 2846310 2902120 3170008 3482544 3700203 3765840 3795080 3962510 4353180 4554096 4755012 4933604 5151263 5692620 5804240 5943765 6167005 6340016 6736267 7400406 7590160 7925020 8706360 9510024 9867208 10302526 11385240 11887530 12334010 13472534 14800812 15453789 15850040 17412720 18501015 19020048 19734416 20208801 20605052 22770480 23775060 24668020 25756315 26945068 29601624 30907578 31700080 33681335 37002030 40417602 41210104 47550120 49336040 51512630 53890136 59203248 61815156 67362670 74004060 77268945 80835204 82420208 87571471 95100240 98672080 101044005 103025260 107780272 123630312 134725340 148008120 154537890 161670408 175142942 202088010 206050520 247260624 262714413 269450680 296016240 309075780 323340816 350285884 404176020 412101040 437857355 525428826 538901360 618151560 700571768 808352040 875714710 1050857652 1236303120 1313572065 1401143536 1616704080 1751429420 2101715304 2627144130 3502858840 4203430608 5254288260 7005717680 10508576520 21017153040
- Sum of all divisors σ(n): 75352177152
- Sum of proper divisors (its aliquot sum) s(n): 54335024112
- 21017153040 is an abundant number, because the sum of its proper divisors (54335024112) is greater than itself. Its abundance is 33317871072
Bases of 21017153040
- Binary: 100111001001011100001001110000100002
- Hexadecimal: 0x4E4B84E10
- Base-36: 9NL2J2O
Squares and roots of 21017153040
- 21017153040 squared (210171530402) is 441720721906781241600
- 21017153040 cubed (210171530403) is 9283712013254101968508414464000
-
The
square root of 21017153040 is 144972.9389920753 -
The
cube root of 21017153040 is 2759.6751455507
Scales and comparisons
How big is 21017153040?- 21,017,153,040 seconds is equal to 668 years, 14 weeks, 4 days, 2 hours, 4 minutes.
-
To count from 1 to 21,017,153,040 would take you about one thousand, three hundred thirty-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 21017153040 cubic inches would be around 230 feet tall.
Recreational maths with 21017153040
- 21017153040 backwards is 04035171012
- 21017153040 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21017153040's digits is 24
- More coming soon!
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