31447329420
31,447,329,420 is an even composite number composed of seven prime numbers multiplied together.
31447329420 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 31447329420:
22 × 3 × 5 × 13 × 89 × 139 × 3259
(2 × 2 × 3 × 5 × 13 × 89 × 139 × 3259)See below for interesting mathematical facts about the number 31447329420 from the Numbermatics database.
Names of 31447329420
- Cardinal: 31447329420 can be written as Thirty-one billion, four hundred forty-seven million, three hundred twenty-nine thousand, four hundred twenty.
Scientific notation
- Scientific notation: 3.144732942 × 1010
Factors of 31447329420
Divisors of 31447329420
- Number of divisors d(n): 192
-
Complete list of divisors:
1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 89 130 139 156 178 195 260 267 278 356 390 417 445 534 556 695 780 834 890 1068 1157 1335 1390 1668 1780 1807 2085 2314 2670 2780 3259 3471 3614 4170 4628 5340 5421 5785 6518 6942 7228 8340 9035 9777 10842 11570 12371 13036 13884 16295 17355 18070 19554 21684 23140 24742 27105 32590 34710 36140 37113 39108 42367 48885 49484 54210 61855 65180 69420 74226 84734 97770 108420 123710 127101 148452 160823 169468 185565 195540 211835 247420 254202 290051 321646 371130 423670 453001 482469 508404 580102 635505 643292 742260 804115 847340 870153 906002 964938 1160204 1271010 1359003 1450255 1608230 1740306 1812004 1929876 2265005 2412345 2542020 2718006 2900510 3216460 3480612 3770663 4350765 4530010 4824690 5436012 5801020 5889013 6795015 7541326 8701530 9060020 9649380 11311989 11778026 13590030 15082652 17403060 17667039 18853315 22623978 23556052 27180060 29445065 35334078 37706630 40317089 45247956 56559945 58890130 70668156 75413260 80634178 88335195 113119890 117780260 120951267 161268356 176670390 201585445 226239780 241902534 353340780 403170890 483805068 524122157 604756335 806341780 1048244314 1209512670 1572366471 2096488628 2419025340 2620610785 3144732942 5241221570 6289465884 7861832355 10482443140 15723664710 31447329420
- Sum of all divisors σ(n): 96610752000
- Sum of proper divisors (its aliquot sum) s(n): 65163422580
- 31447329420 is an abundant number, because the sum of its proper divisors (65163422580) is greater than itself. Its abundance is 33716093160
Bases of 31447329420
- Binary: 111010100100110100000101010100011002
- Hexadecimal: 0x752682A8C
- Base-36: EG2XEOC
Squares and roots of 31447329420
- 31447329420 squared (314473294202) is 988934527649997536400
- 31447329420 cubed (314473294203) is 31099349865821570989359240888000
-
The
square root of 31447329420 is 177333.9488648465 -
The
cube root of 31447329420 is 3156.4185717267
Scales and comparisons
How big is 31447329420?- 31,447,329,420 seconds is equal to 999 years, 48 weeks, 1 day, 17 hours, 17 minutes.
-
To count from 1 to 31,447,329,420 would take you about one thousand, nine hundred ninety-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 31447329420 cubic inches would be around 263 feet tall.
Recreational maths with 31447329420
- 31447329420 backwards is 02492374413
- 31447329420 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 31447329420's digits is 39
- More coming soon!
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