31455389420
31,455,389,420 is an even composite number composed of seven prime numbers multiplied together.
31455389420 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 31455389420:
22 × 5 × 7 × 13 × 37 × 41 × 11393
(2 × 2 × 5 × 7 × 13 × 37 × 41 × 11393)See below for interesting mathematical facts about the number 31455389420 from the Numbermatics database.
Names of 31455389420
- Cardinal: 31455389420 can be written as Thirty-one billion, four hundred fifty-five million, three hundred eighty-nine thousand, four hundred twenty.
Scientific notation
- Scientific notation: 3.145538942 × 1010
Factors of 31455389420
Divisors of 31455389420
- Number of divisors d(n): 192
-
Complete list of divisors:
1 2 4 5 7 10 13 14 20 26 28 35 37 41 52 65 70 74 82 91 130 140 148 164 182 185 205 259 260 287 364 370 410 455 481 518 533 574 740 820 910 962 1036 1066 1148 1295 1435 1517 1820 1924 2132 2405 2590 2665 2870 3034 3367 3731 4810 5180 5330 5740 6068 6734 7462 7585 9620 10619 10660 11393 13468 14924 15170 16835 18655 19721 21238 22786 30340 33670 37310 39442 42476 45572 53095 56965 67340 74620 78884 79751 98605 106190 113930 138047 148109 159502 197210 212380 227860 276094 296218 319004 394420 398755 421541 467113 552188 592436 690235 740545 797510 843082 934226 1036763 1380470 1481090 1595020 1686164 1868452 2073526 2107705 2335565 2760940 2950787 2962180 3269791 4147052 4215410 4671130 5183815 5480033 5901574 6072469 6539582 8430820 9342260 10367630 10960066 11803148 12144938 13079164 14753935 16348955 17283181 20735260 21920132 24289876 27400165 29507870 30362345 32697910 34566362 38360231 42507283 54800330 59015740 60724690 65395820 69132724 76720462 85014566 86415905 109600660 120982267 121449380 153440924 170029132 172831810 191801155 212536415 224681353 241964534 345663620 383602310 425072830 449362706 483929068 604911335 767204620 850145660 898725412 1123406765 1209822670 1572769471 2246813530 2419645340 3145538942 4493627060 6291077884 7863847355 15727694710 31455389420
- Sum of all divisors σ(n): 85541412096
- Sum of proper divisors (its aliquot sum) s(n): 54086022676
- 31455389420 is an abundant number, because the sum of its proper divisors (54086022676) is greater than itself. Its abundance is 22630633256
Bases of 31455389420
- Binary: 111010100101110001100100110111011002
- Hexadecimal: 0x752E326EC
- Base-36: EG7Q5T8
Squares and roots of 31455389420
- 31455389420 squared (314553894202) is 989441523563847936400
- 31455389420 cubed (314553894203) is 31123268432018943073125392888000
-
The
square root of 31455389420 is 177356.6728939175 -
The
cube root of 31455389420 is 3156.6882137065
Scales and comparisons
How big is 31455389420?- 31,455,389,420 seconds is equal to 1,000 years, 9 weeks, 4 days, 10 minutes, 20 seconds.
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To count from 1 to 31,455,389,420 would take you about two thousand 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 31455389420 cubic inches would be around 263.1 feet tall.
Recreational maths with 31455389420
- 31455389420 backwards is 02498355413
- The number of decimal digits it has is: 11
- The sum of 31455389420's digits is 44
- More coming soon!
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