31398519680
31,398,519,680 is an even composite number composed of six prime numbers multiplied together.
31398519680 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 31398519680:
27 × 5 × 11 × 37 × 149 × 809
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 11 × 37 × 149 × 809)See below for interesting mathematical facts about the number 31398519680 from the Numbermatics database.
Names of 31398519680
- Cardinal: 31398519680 can be written as Thirty-one billion, three hundred ninety-eight million, five hundred nineteen thousand, six hundred eighty.
Scientific notation
- Scientific notation: 3.139851968 × 1010
Factors of 31398519680
Divisors of 31398519680
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 4 5 8 10 11 16 20 22 32 37 40 44 55 64 74 80 88 110 128 148 149 160 176 185 220 296 298 320 352 370 407 440 592 596 640 704 740 745 809 814 880 1184 1192 1408 1480 1490 1618 1628 1639 1760 2035 2368 2384 2960 2980 3236 3256 3278 3520 4045 4070 4736 4768 5513 5920 5960 6472 6512 6556 7040 8090 8140 8195 8899 9536 11026 11840 11920 12944 13024 13112 16180 16280 16390 17798 19072 22052 23680 23840 25888 26048 26224 27565 29933 32360 32560 32780 35596 44104 44495 47680 51776 52096 52448 55130 59866 60643 64720 65120 65560 71192 88208 88990 95360 103552 104896 110260 119732 120541 121286 129440 130240 131120 142384 149665 176416 177980 209792 220520 239464 241082 242572 258880 260480 262240 284768 299330 303215 329263 352832 355960 441040 478928 482164 485144 517760 524480 569536 598660 602705 606430 658526 705664 711920 882080 957856 964328 970288 1048960 1139072 1197320 1205410 1212860 1317052 1325951 1423840 1646315 1764160 1915712 1928656 1940576 2394640 2410820 2425720 2634104 2651902 2847680 3292630 3528320 3831424 3857312 3881152 4460017 4789280 4821640 4851440 5268208 5303804 5695360 6585260 6629755 7714624 7762304 8920034 9578560 9643280 9702880 10536416 10607608 13170520 13259510 15429248 17840068 19157120 19286560 19405760 21072832 21215216 22300085 26341040 26519020 35680136 38573120 38811520 42145664 42430432 44600170 49060187 52682080 53038040 71360272 77146240 84860864 89200340 98120374 105364160 106076080 142720544 169721728 178400680 196240748 210728320 212152160 245300935 285441088 356801360 392481496 424304320 490601870 570882176 713602720 784962992 848608640 981203740 1427205440 1569925984 1962407480 2854410880 3139851968 3924814960 6279703936 7849629920 15699259840 31398519680
- Sum of all divisors σ(n): 84768120000
- Sum of proper divisors (its aliquot sum) s(n): 53369600320
- 31398519680 is an abundant number, because the sum of its proper divisors (53369600320) is greater than itself. Its abundance is 21971080640
Bases of 31398519680
- Binary: 111010011110111111101100011100000002
- Hexadecimal: 0x74F7F6380
- Base-36: EF9V8U8
Squares and roots of 31398519680
- 31398519680 squared (313985196802) is 985867038095347302400
- 31398519680 cubed (313985196803) is 30954765597500071990841311232000
-
The
square root of 31398519680 is 177196.2744529353 -
The
cube root of 31398519680 is 3154.7846889817
Scales and comparisons
How big is 31398519680?- 31,398,519,680 seconds is equal to 998 years, 19 weeks, 3 days, 19 hours, 1 minute, 20 seconds.
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To count from 1 to 31,398,519,680 would take you about one thousand, nine hundred ninety-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 31398519680 cubic inches would be around 262.9 feet tall.
Recreational maths with 31398519680
- 31398519680 backwards is 08691589313
- The number of decimal digits it has is: 11
- The sum of 31398519680's digits is 53
- More coming soon!
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