16689390640
16,689,390,640 is an even composite number composed of seven prime numbers multiplied together.
16689390640 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 16689390640:
24 × 5 × 13 × 23 × 31 × 71 × 317
(2 × 2 × 2 × 2 × 5 × 13 × 23 × 31 × 71 × 317)See below for interesting mathematical facts about the number 16689390640 from the Numbermatics database.
Names of 16689390640
- Cardinal: 16689390640 can be written as Sixteen billion, six hundred eighty-nine million, three hundred ninety thousand, six hundred forty.
Scientific notation
- Scientific notation: 1.668939064 × 1010
Factors of 16689390640
Divisors of 16689390640
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 4 5 8 10 13 16 20 23 26 31 40 46 52 62 65 71 80 92 104 115 124 130 142 155 184 208 230 248 260 284 299 310 317 355 368 403 460 496 520 568 598 620 634 710 713 806 920 923 1040 1136 1196 1240 1268 1420 1426 1495 1585 1612 1633 1840 1846 2015 2201 2392 2480 2536 2840 2852 2990 3170 3224 3266 3565 3692 4030 4121 4402 4615 4784 5072 5680 5704 5980 6340 6448 6532 7130 7291 7384 8060 8165 8242 8804 9230 9269 9827 11005 11408 11960 12680 13064 14260 14582 14768 16120 16330 16484 17608 18460 18538 19654 20605 21229 22010 22507 23920 25360 26128 28520 28613 29164 32240 32660 32968 35216 36455 36920 37076 39308 41210 42458 44020 45014 46345 49135 50623 57040 57226 58328 65320 65936 72910 73840 74152 78616 82420 84916 88040 90028 92690 94783 98270 101246 106145 112535 114452 116656 127751 130640 143065 145820 148304 157232 164840 169832 176080 180056 185380 189566 196540 202492 212290 225070 226021 228904 253115 255502 286130 291640 292591 329680 339664 360112 370760 379132 393080 404984 424580 450140 452042 457808 473915 506230 511004 517661 572260 583280 585182 638755 658099 697717 741520 758264 786160 809968 849160 900280 904084 947830 1012460 1022008 1035322 1130105 1144520 1170364 1277510 1316198 1395434 1462955 1516528 1698320 1800560 1808168 1895660 2024920 2044016 2070644 2260210 2289040 2340728 2555020 2588305 2632396 2790868 2925910 2938273 3290495 3488585 3616336 3791320 4049840 4141288 4520420 4681456 5110040 5176610 5264792 5581736 5851820 5876546 6580990 6729593 6977170 7582640 8282576 9040840 9070321 10220080 10353220 10529584 11163472 11703640 11753092 13161980 13459186 13954340 14691365 16047491 18081680 18140642 20706440 23407280 23506184 26323960 26918372 27908680 29382730 32094982 33647965 36281284 41412880 45351605 47012368 52647920 53836744 55817360 58765460 64189964 67295930 72562568 80237455 90703210 107673488 117530920 128379928 134591860 145125136 160474910 181406420 208617383 235061840 256759856 269183720 320949820 362812840 417234766 538367440 641899640 725625680 834469532 1043086915 1283799280 1668939064 2086173830 3337878128 4172347660 8344695320 16689390640
- Sum of all divisors σ(n): 45789069312
- Sum of proper divisors (its aliquot sum) s(n): 29099678672
- 16689390640 is an abundant number, because the sum of its proper divisors (29099678672) is greater than itself. Its abundance is 12410288032
Bases of 16689390640
- Binary: 11111000101100001111100100001100002
- Hexadecimal: 0x3E2C3E430
- Base-36: 7O0FK8G
Squares and roots of 16689390640
- 16689390640 squared (166893906402) is 278535759934519609600
- 16689390640 cubed (166893906403) is 4648592104756458585354694144000
-
The
square root of 16689390640 is 129187.4244653867 -
The
cube root of 16689390640 is 2555.5251537769
Scales and comparisons
How big is 16689390640?- 16,689,390,640 seconds is equal to 530 years, 34 weeks, 6 days, 5 hours, 50 minutes, 40 seconds.
-
To count from 1 to 16,689,390,640 would take you about one thousand and sixty-one 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 16689390640 cubic inches would be around 213 feet tall.
Recreational maths with 16689390640
- 16689390640 backwards is 04609398661
- 16689390640 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 16689390640's digits is 52
- More coming soon!
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