31990648680
31,990,648,680 is an even composite number composed of five prime numbers multiplied together.
31990648680 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 31990648680:
23 × 38 × 5 × 79 × 1543
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 79 × 1543)See below for interesting mathematical facts about the number 31990648680 from the Numbermatics database.
Names of 31990648680
- Cardinal: 31990648680 can be written as Thirty-one billion, nine hundred ninety million, six hundred forty-eight thousand, six hundred eighty.
Scientific notation
- Scientific notation: 3.199064868 × 1010
Factors of 31990648680
Divisors of 31990648680
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 79 81 90 108 120 135 158 162 180 216 237 243 270 316 324 360 395 405 474 486 540 632 648 711 729 790 810 948 972 1080 1185 1215 1422 1458 1543 1580 1620 1896 1944 2133 2187 2370 2430 2844 2916 3086 3160 3240 3555 3645 4266 4374 4629 4740 4860 5688 5832 6172 6399 6561 7110 7290 7715 8532 8748 9258 9480 9720 10665 10935 12344 12798 13122 13887 14220 14580 15430 17064 17496 18516 19197 21330 21870 23145 25596 26244 27774 28440 29160 30860 31995 32805 37032 38394 41661 42660 43740 46290 51192 52488 55548 57591 61720 63990 65610 69435 76788 83322 85320 87480 92580 95985 111096 115182 121897 124983 127980 131220 138870 153576 166644 172773 185160 191970 208305 230364 243794 249966 255960 262440 277740 287955 333288 345546 365691 374949 383940 416610 460728 487588 499932 518319 555480 575910 609485 624915 691092 731382 749898 767880 833220 863865 975176 999864 1036638 1097073 1124847 1151820 1218970 1249830 1382184 1462764 1499796 1666440 1727730 1828455 1874745 2073276 2194146 2249694 2303640 2437940 2499660 2591595 2925528 2999592 3291219 3374541 3455460 3656910 3749490 4146552 4388292 4499388 4875880 4999320 5183190 5485365 5624235 6582438 6749082 6910920 7313820 7498980 8776584 8998776 9873657 10123623 10366380 10970730 11248470 13164876 13498164 14627640 14997960 16456095 16872705 19747314 20247246 20732760 21941460 22496940 26329752 26996328 29620971 32912190 33745410 39494628 40494492 43882920 44993880 49368285 50618115 59241942 65824380 67490820 78989256 80988984 88862913 98736570 101236230 118483884 131648760 134981640 148104855 177725826 197473140 202472460 236967768 266588739 296209710 355451652 394946280 404944920 444314565 533177478 592419420 710903304 799766217 888629130 1066354956 1184838840 1332943695 1599532434 1777258260 2132709912 2665887390 3199064868 3554516520 3998831085 5331774780 6398129736 7997662170 10663549560 15995324340 31990648680
- Sum of all divisors σ(n): 109400428800
- Sum of proper divisors (its aliquot sum) s(n): 77409780120
- 31990648680 is an abundant number, because the sum of its proper divisors (77409780120) is greater than itself. Its abundance is 45419131440
Bases of 31990648680
- Binary: 111011100101100101010001111011010002
- Hexadecimal: 0x772CA8F68
- Base-36: EP2EMI0
Squares and roots of 31990648680
- 31990648680 squared (319906486802) is 1023401602967185742400
- 31990648680 cubed (319906486803) is 32739281139072084653423380032000
-
The
square root of 31990648680 is 178859.2985561555 -
The
cube root of 31990648680 is 3174.4928176569
Scales and comparisons
How big is 31990648680?- 31,990,648,680 seconds is equal to 1,017 years, 10 weeks, 4 days, 3 hours, 18 minutes.
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To count from 1 to 31,990,648,680 would take you about two thousand and thirty-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 31990648680 cubic inches would be around 264.5 feet tall.
Recreational maths with 31990648680
- 31990648680 backwards is 08684609913
- 31990648680 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 31990648680's digits is 54
- More coming soon!
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