138897408
138,897,408 is an even composite number composed of five prime numbers multiplied together.
138897408 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 138897408:
211 × 3 × 13 × 37 × 47
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 13 × 37 × 47)See below for interesting mathematical facts about the number 138897408 from the Numbermatics database.
Names of 138897408
- Cardinal: 138897408 can be written as One hundred thirty-eight million, eight hundred ninety-seven thousand, four hundred eight.
Scientific notation
- Scientific notation: 1.38897408 × 108
Factors of 138897408
Divisors of 138897408
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 6 8 12 13 16 24 26 32 37 39 47 48 52 64 74 78 94 96 104 111 128 141 148 156 188 192 208 222 256 282 296 312 376 384 416 444 481 512 564 592 611 624 752 768 832 888 962 1024 1128 1184 1222 1248 1443 1504 1536 1664 1739 1776 1833 1924 2048 2256 2368 2444 2496 2886 3008 3072 3328 3478 3552 3666 3848 4512 4736 4888 4992 5217 5772 6016 6144 6656 6956 7104 7332 7696 9024 9472 9776 9984 10434 11544 12032 13312 13912 14208 14664 15392 18048 18944 19552 19968 20868 22607 23088 24064 26624 27824 28416 29328 30784 36096 37888 39104 39936 41736 45214 46176 48128 55648 56832 58656 61568 67821 72192 75776 78208 79872 83472 90428 92352 96256 111296 113664 117312 123136 135642 144384 156416 166944 180856 184704 222592 227328 234624 246272 271284 288768 312832 333888 361712 369408 445184 469248 492544 542568 625664 667776 723424 738816 890368 938496 985088 1085136 1251328 1335552 1446848 1477632 1780736 1876992 2170272 2671104 2893696 2955264 3561472 3753984 4340544 5342208 5787392 8681088 10684416 11574784 17362176 23149568 34724352 46299136 69448704 138897408
- Sum of all divisors σ(n): 418279680
- Sum of proper divisors (its aliquot sum) s(n): 279382272
- 138897408 is an abundant number, because the sum of its proper divisors (279382272) is greater than itself. Its abundance is 140484864
Bases of 138897408
- Binary: 10000100011101101000000000002
- Hexadecimal: 0x8476800
- Base-36: 2AP1XC
Squares and roots of 138897408
- 138897408 squared (1388974082) is 19292489949118464
- 138897408 cubed (1388974083) is 2679676847798606534541312
-
The
square root of 138897408 is 11785.4744495075 -
The
cube root of 138897408 is 517.8826724527
Scales and comparisons
How big is 138897408?- 138,897,408 seconds is equal to 4 years, 21 weeks, 4 days, 14 hours, 36 minutes, 48 seconds.
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To count from 1 to 138,897,408 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 138897408 cubic inches would be around 43.2 feet tall.
Recreational maths with 138897408
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