138480930
138,480,930 is an even composite number composed of seven prime numbers multiplied together.
138480930 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 138480930:
2 × 32 × 5 × 7 × 19 × 23 × 503
(2 × 3 × 3 × 5 × 7 × 19 × 23 × 503)See below for interesting mathematical facts about the number 138480930 from the Numbermatics database.
Names of 138480930
- Cardinal: 138480930 can be written as One hundred thirty-eight million, four hundred eighty thousand, nine hundred thirty.
Scientific notation
- Scientific notation: 1.3848093 × 108
Factors of 138480930
Divisors of 138480930
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 5 6 7 9 10 14 15 18 19 21 23 30 35 38 42 45 46 57 63 69 70 90 95 105 114 115 126 133 138 161 171 190 207 210 230 266 285 315 322 342 345 399 414 437 483 503 570 630 665 690 798 805 855 874 966 1006 1035 1197 1311 1330 1449 1509 1610 1710 1995 2070 2185 2394 2415 2515 2622 2898 3018 3059 3521 3933 3990 4370 4527 4830 5030 5985 6118 6555 7042 7245 7545 7866 9054 9177 9557 10563 11569 11970 13110 14490 15090 15295 17605 18354 19114 19665 21126 22635 23138 27531 28671 30590 31689 34707 35210 39330 45270 45885 47785 52815 55062 57342 57845 63378 66899 69414 80983 86013 91770 95570 104121 105630 115690 133798 137655 143355 158445 161966 172026 173535 200697 208242 219811 242949 275310 286710 316890 334495 347070 401394 404915 430065 439622 485898 520605 602091 659433 668990 728847 809830 860130 1003485 1041210 1099055 1204182 1214745 1318866 1457694 1538677 1978299 2006970 2198110 2429490 3010455 3077354 3297165 3644235 3956598 4616031 6020910 6594330 7288470 7693385 9232062 9891495 13848093 15386770 19782990 23080155 27696186 46160310 69240465 138480930
- Sum of all divisors σ(n): 452874240
- Sum of proper divisors (its aliquot sum) s(n): 314393310
- 138480930 is an abundant number, because the sum of its proper divisors (314393310) is greater than itself. Its abundance is 175912380
Bases of 138480930
- Binary: 10000100000100001101001000102
- Hexadecimal: 0x8410D22
- Base-36: 2AG4KI
Squares and roots of 138480930
- 138480930 squared (1384809302) is 19176967973664900
- 138480930 cubed (1384809303) is 2655644359573330860357000
-
The
square root of 138480930 is 11767.7920613851 -
The
cube root of 138480930 is 517.3645378133
Scales and comparisons
How big is 138480930?- 138,480,930 seconds is equal to 4 years, 20 weeks, 6 days, 18 hours, 55 minutes, 30 seconds.
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To count from 1 to 138,480,930 would take you about six 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 138480930 cubic inches would be around 43.1 feet tall.
Recreational maths with 138480930
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