345072640
345,072,640 is an even composite number composed of four prime numbers multiplied together.
345072640 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred thirty-two divisors.
Prime factorization of 345072640:
210 × 5 × 112 × 557
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 11 × 11 × 557)See below for interesting mathematical facts about the number 345072640 from the Numbermatics database.
Names of 345072640
- Cardinal: 345072640 can be written as Three hundred forty-five million, seventy-two thousand, six hundred forty.
Scientific notation
- Scientific notation: 3.4507264 × 108
Factors of 345072640
Divisors of 345072640
- Number of divisors d(n): 132
-
Complete list of divisors:
1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 121 128 160 176 220 242 256 320 352 440 484 512 557 605 640 704 880 968 1024 1114 1210 1280 1408 1760 1936 2228 2420 2560 2785 2816 3520 3872 4456 4840 5120 5570 5632 6127 7040 7744 8912 9680 11140 11264 12254 14080 15488 17824 19360 22280 24508 28160 30635 30976 35648 38720 44560 49016 56320 61270 61952 67397 71296 77440 89120 98032 122540 123904 134794 142592 154880 178240 196064 245080 269588 285184 309760 336985 356480 392128 490160 539176 570368 619520 673970 712960 784256 980320 1078352 1347940 1425920 1568512 1960640 2156704 2695880 2851840 3137024 3921280 4313408 5391760 6274048 7842560 8626816 10783520 15685120 17253632 21567040 31370240 34507264 43134080 69014528 86268160 172536320 345072640
- Sum of all divisors σ(n): 911496348
- Sum of proper divisors (its aliquot sum) s(n): 566423708
- 345072640 is an abundant number, because the sum of its proper divisors (566423708) is greater than itself. Its abundance is 221351068
Bases of 345072640
- Binary: 101001001000101100100000000002
- Hexadecimal: 0x14916400
- Base-36: 5PG3R4
Squares and roots of 345072640
- 345072640 squared (3450726402) is 119075126876569600
- 345072640 cubed (3450726403) is 41089568389632826015744000
-
The
square root of 345072640 is 18576.1309211579 -
The
cube root of 345072640 is 701.4071287009
Scales and comparisons
How big is 345072640?- 345,072,640 seconds is equal to 10 years, 50 weeks, 3 days, 21 hours, 30 minutes, 40 seconds.
-
To count from 1 to 345,072,640 would take you about sixteen 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 345072640 cubic inches would be around 58.5 feet tall.
Recreational maths with 345072640
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