31920808920
31,920,808,920 is an even composite number composed of seven prime numbers multiplied together.
31920808920 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 31920808920:
23 × 3 × 5 × 72 × 11 × 13 × 37963
(2 × 2 × 2 × 3 × 5 × 7 × 7 × 11 × 13 × 37963)See below for interesting mathematical facts about the number 31920808920 from the Numbermatics database.
Names of 31920808920
- Cardinal: 31920808920 can be written as Thirty-one billion, nine hundred twenty million, eight hundred eight thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 3.192080892 × 1010
Factors of 31920808920
Divisors of 31920808920
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 11 12 13 14 15 20 21 22 24 26 28 30 33 35 39 40 42 44 49 52 55 56 60 65 66 70 77 78 84 88 91 98 104 105 110 120 130 132 140 143 147 154 156 165 168 182 195 196 210 220 231 245 260 264 273 280 286 294 308 312 330 364 385 390 392 420 429 440 455 462 490 520 539 546 572 588 616 637 660 715 728 735 770 780 840 858 910 924 980 1001 1078 1092 1144 1155 1176 1274 1320 1365 1430 1470 1540 1560 1617 1716 1820 1848 1911 1960 2002 2145 2156 2184 2310 2548 2695 2730 2860 2940 3003 3080 3185 3234 3432 3640 3822 4004 4290 4312 4620 5005 5096 5390 5460 5720 5880 6006 6370 6468 7007 7644 8008 8085 8580 9240 9555 10010 10780 10920 12012 12740 12936 14014 15015 15288 16170 17160 19110 20020 21021 21560 24024 25480 28028 30030 32340 35035 37963 38220 40040 42042 56056 60060 64680 70070 75926 76440 84084 105105 113889 120120 140140 151852 168168 189815 210210 227778 265741 280280 303704 379630 417593 420420 455556 493519 531482 569445 759260 797223 835186 840840 911112 987038 1062964 1138890 1252779 1328705 1480557 1518520 1594446 1670372 1860187 1974076 2087965 2125928 2277780 2467595 2505558 2657410 2923151 2961114 3188892 3340744 3454633 3720374 3948152 3986115 4175930 4555560 4935190 5011116 5314820 5428709 5580561 5846302 5922228 6263895 6377784 6909266 7402785 7440748 7972230 8351860 8769453 9300935 9870380 10022232 10363899 10629640 10857418 11161122 11692604 11844456 12527790 13818532 14615755 14805570 14881496 15944460 16286127 16703720 17273165 17538906 18601870 19740760 20462057 20727798 21714836 22322244 23385208 24182431 25055580 27143545 27637064 27902805 29231510 29611140 31888920 32572254 34546330 35077812 37203740 38000963 40924114 41455596 43429672 43847265 44644488 48364862 50111160 51819495 54287090 55805610 58463020 59222280 61386171 65144508 69092660 70155624 72547293 74407480 76001926 81430635 81848228 82911192 87694530 96729724 102310285 103638990 108574180 111611220 114002889 116926040 120912155 122772342 130289016 138185320 145094586 152003852 162861270 163696456 175389060 190004815 193459448 204620570 207277980 217148360 223222440 228005778 241824310 245544684 266006741 290189172 304007704 306930855 325722540 350778120 362736465 380009630 409241140 414555960 456011556 483648620 491089368 532013482 570014445 580378344 613861710 651445080 725472930 760019260 798020223 818482280 912023112 967297240 1064026964 1140028890 1227723420 1330033705 1450945860 1520038520 1596040446 2128053928 2280057780 2455446840 2660067410 2901891720 3192080892 3990101115 4560115560 5320134820 6384161784 7980202230 10640269640 15960404460 31920808920
- Sum of all divisors σ(n): 130875575040
- Sum of proper divisors (its aliquot sum) s(n): 98954766120
- 31920808920 is an abundant number, because the sum of its proper divisors (98954766120) is greater than itself. Its abundance is 67033957200
Bases of 31920808920
- Binary: 111011011101010000011100011110110002
- Hexadecimal: 0x76EA0E3D8
- Base-36: ENWTPSO
Squares and roots of 31920808920
- 31920808920 squared (319208089202) is 1018938042107151566400
- 31920808920 cubed (319208089203) is 32525326543421299316533092288000
-
The
square root of 31920808920 is 178663.9552903719 -
The
cube root of 31920808920 is 3172.1810238547
Scales and comparisons
How big is 31920808920?- 31,920,808,920 seconds is equal to 1,014 years, 51 weeks, 19 hours, 22 minutes.
-
To count from 1 to 31,920,808,920 would take you about two thousand and twenty-nine 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 31920808920 cubic inches would be around 264.3 feet tall.
Recreational maths with 31920808920
- 31920808920 backwards is 02980802913
- 31920808920 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 31920808920's digits is 42
- More coming soon!
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