13909787920
13,909,787,920 is an even composite number composed of seven prime numbers multiplied together.
13909787920 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 13909787920:
24 × 5 × 7 × 41 × 43 × 73 × 193
(2 × 2 × 2 × 2 × 5 × 7 × 41 × 43 × 73 × 193)See below for interesting mathematical facts about the number 13909787920 from the Numbermatics database.
Names of 13909787920
- Cardinal: 13909787920 can be written as Thirteen billion, nine hundred nine million, seven hundred eighty-seven thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.390978792 × 1010
Factors of 13909787920
Divisors of 13909787920
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 35 40 41 43 56 70 73 80 82 86 112 140 146 164 172 193 205 215 280 287 292 301 328 344 365 386 410 430 511 560 574 584 602 656 688 730 772 820 860 965 1022 1148 1168 1204 1351 1435 1460 1505 1544 1640 1720 1763 1930 2044 2296 2408 2555 2702 2870 2920 2993 3010 3088 3139 3280 3440 3526 3860 4088 4592 4816 5110 5404 5740 5840 5986 6020 6278 6755 7052 7720 7913 8176 8299 8815 10220 10808 11480 11972 12040 12341 12556 13510 14089 14104 14965 15440 15695 15826 16598 17630 20440 20951 21616 21973 22960 23944 24080 24682 25112 27020 28178 28208 29930 31390 31652 33196 35260 39565 40880 41495 41902 43946 47888 49364 50224 54040 55391 56356 58093 59860 61705 62780 63304 66392 70445 70520 79130 82990 83804 87892 98623 98728 104755 108080 109865 110782 112712 116186 119720 123410 125560 126608 128699 132784 140890 141040 158260 165980 167608 175784 197246 197456 209510 219730 221564 225424 232372 239440 246820 251120 257398 276955 281780 290465 316520 331960 335216 340259 351568 394492 419020 439460 443128 464744 493115 493640 514796 553910 563560 577649 580930 605827 633040 643495 663920 680518 788984 838040 878920 886256 900893 929488 986230 987280 1029592 1107820 1127120 1155298 1161860 1211654 1286990 1361036 1577968 1676080 1701295 1757840 1801786 1972460 2059184 2215640 2310596 2323720 2381813 2423308 2573980 2722072 2888245 3029135 3402590 3603572 3944920 4043543 4240789 4431280 4504465 4621192 4647440 4763626 4846616 5147960 5444144 5776490 6058270 6805180 7207144 7889840 8087086 8481578 9008930 9242384 9527252 9693232 10295920 11552980 11909065 12116540 13610360 14414288 16174172 16963156 18017860 19054504 20217715 21203945 23105960 23818130 24233080 24838907 27220720 32348344 33926312 36035720 38109008 40435430 42407890 46211920 47636260 48466160 49677814 64696688 67852624 72071440 80870860 84815780 95272520 99355628 124194535 161741720 169631560 173872349 190545040 198711256 248389070 323483440 339263120 347744698 397422512 496778140 695489396 869361745 993556280 1390978792 1738723490 1987112560 2781957584 3477446980 6954893960 13909787920
- Sum of all divisors σ(n): 39476473344
- Sum of proper divisors (its aliquot sum) s(n): 25566685424
- 13909787920 is an abundant number, because the sum of its proper divisors (25566685424) is greater than itself. Its abundance is 11656897504
Bases of 13909787920
- Binary: 11001111010001011010000101000100002
- Hexadecimal: 0x33D168510
- Base-36: 6E1J11S
Squares and roots of 13909787920
- 13909787920 squared (139097879202) is 193482199979377926400
- 13909787920 cubed (139097879203) is 2691296368008175329753369088000
-
The
square root of 13909787920 is 117939.7639475337 -
The
cube root of 13909787920 is 2404.9543443629
Scales and comparisons
How big is 13909787920?- 13,909,787,920 seconds is equal to 442 years, 14 weeks, 6 days, 21 hours, 58 minutes, 40 seconds.
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To count from 1 to 13,909,787,920 would take you about eight hundred eighty-four 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 13909787920 cubic inches would be around 200.4 feet tall.
Recreational maths with 13909787920
- 13909787920 backwards is 02978790931
- The number of decimal digits it has is: 11
- The sum of 13909787920's digits is 55
- More coming soon!
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