1389939840
1,389,939,840 is an even composite number composed of six prime numbers multiplied together.
1389939840 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 1389939840:
27 × 32 × 5 × 29 × 53 × 157
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 29 × 53 × 157)See below for interesting mathematical facts about the number 1389939840 from the Numbermatics database.
Names of 1389939840
- Cardinal: 1389939840 can be written as One billion, three hundred eighty-nine million, nine hundred thirty-nine thousand, eight hundred forty.
Scientific notation
- Scientific notation: 1.38993984 × 109
Factors of 1389939840
Divisors of 1389939840
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 29 30 32 36 40 45 48 53 58 60 64 72 80 87 90 96 106 116 120 128 144 145 157 159 160 174 180 192 212 232 240 261 265 288 290 314 318 320 348 360 384 424 435 464 471 477 480 522 530 576 580 628 636 640 696 720 785 795 848 870 928 942 954 960 1044 1060 1152 1160 1256 1272 1305 1392 1413 1440 1537 1570 1590 1696 1740 1856 1884 1908 1920 2088 2120 2320 2355 2385 2512 2544 2610 2784 2826 2880 3074 3140 3180 3392 3480 3712 3768 3816 4176 4240 4553 4611 4640 4710 4770 5024 5088 5220 5568 5652 5760 6148 6280 6360 6784 6960 7065 7536 7632 7685 8321 8352 8480 9106 9222 9280 9420 9540 10048 10176 10440 11136 11304 12296 12560 12720 13659 13833 13920 14130 15072 15264 15370 16642 16704 16960 18212 18444 18560 18840 19080 20096 20352 20880 22608 22765 23055 24592 24963 25120 25440 27318 27666 27840 28260 30144 30528 30740 33284 33408 33920 36424 36888 37680 38160 40977 41605 41760 45216 45530 46110 49184 49926 50240 50880 54636 55332 55680 56520 60288 61056 61480 66568 68295 69165 72848 73776 74889 75360 76320 81954 83210 83520 90432 91060 92220 98368 99852 100480 101760 109272 110664 113040 122960 124815 133136 136590 138330 145696 147552 149778 150720 152640 163908 166420 167040 180864 182120 184440 196736 199704 204885 218544 221328 226080 241309 245920 249630 266272 273180 276660 291392 295104 299556 301440 305280 327816 332840 364240 368880 374445 399408 409770 437088 442656 452160 482618 491840 499260 532544 546360 553320 582784 590208 599112 655632 665680 723927 728480 737760 748890 798816 819540 874176 885312 904320 965236 983680 998520 1065088 1092720 1106640 1198224 1206545 1311264 1331360 1447854 1456960 1475520 1497780 1597632 1639080 1748352 1770624 1930472 1997040 2171781 2185440 2213280 2396448 2413090 2622528 2662720 2895708 2913920 2951040 2995560 3195264 3278160 3619635 3860944 3994080 4343562 4370880 4426560 4792896 4826180 5245056 5325440 5791416 5991120 6556320 7239270 7721888 7988160 8687124 8741760 8853120 9585792 9652360 10858905 11582832 11982240 13112640 14478540 15443776 15976320 17374248 19304720 21717810 23165664 23964480 26225280 28957080 30887552 34748496 38609440 43435620 46331328 47928960 57914160 69496992 77218880 86871240 92662656 115828320 138993984 154437760 173742480 231656640 277987968 347484960 463313280 694969920 1389939840
- Sum of all divisors σ(n): 5091044400
- Sum of proper divisors (its aliquot sum) s(n): 3701104560
- 1389939840 is an abundant number, because the sum of its proper divisors (3701104560) is greater than itself. Its abundance is 2311164720
Bases of 1389939840
- Binary: 10100101101100011001100100000002
- Hexadecimal: 0x52D8CC80
- Base-36: MZJ8G0
Squares and roots of 1389939840
- 1389939840 squared (13899398402) is 1931932758819225600
- 1389939840 cubed (13899398403) is 2685270309683953019387904000
-
The
square root of 1389939840 is 37281.8969474463 -
The
cube root of 1389939840 is 1116.0029290399
Scales and comparisons
How big is 1389939840?- 1,389,939,840 seconds is equal to 44 years, 10 weeks, 1 day, 6 hours, 24 minutes.
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To count from 1 to 1,389,939,840 would take you about eighty-eight 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 1389939840 cubic inches would be around 93 feet tall.
Recreational maths with 1389939840
- 1389939840 backwards is 0489399831
- The number of decimal digits it has is: 10
- The sum of 1389939840's digits is 54
- More coming soon!
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