168137478720
168,137,478,720 is an even composite number composed of five prime numbers multiplied together.
168137478720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred fifty-two divisors.
Prime factorization of 168137478720:
26 × 32 × 5 × 349 × 4092
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 349 × 409 × 409)See below for interesting mathematical facts about the number 168137478720 from the Numbermatics database.
Names of 168137478720
- Cardinal: 168137478720 can be written as One hundred sixty-eight billion, one hundred thirty-seven million, four hundred seventy-eight thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.6813747872 × 1011
Factors of 168137478720
Divisors of 168137478720
- Number of divisors d(n): 252
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 144 160 180 192 240 288 320 349 360 409 480 576 698 720 818 960 1047 1227 1396 1440 1636 1745 2045 2094 2454 2792 2880 3141 3272 3490 3681 4090 4188 4908 5235 5584 6135 6282 6544 6980 7362 8180 8376 9816 10470 11168 12270 12564 13088 13960 14724 15705 16360 16752 18405 19632 20940 22336 24540 25128 26176 27920 29448 31410 32720 33504 36810 39264 41880 49080 50256 55840 58896 62820 65440 67008 73620 78528 83760 98160 100512 111680 117792 125640 130880 142741 147240 167281 167520 196320 201024 235584 251280 285482 294480 334562 335040 392640 428223 501843 502560 570964 588960 669124 713705 836405 856446 1003686 1005120 1141928 1177920 1284669 1338248 1427410 1505529 1672810 1712892 2007372 2141115 2283856 2509215 2569338 2676496 2854820 3011058 3345620 3425784 4014744 4282230 4567712 5018430 5138676 5352992 5709640 6022116 6423345 6691240 6851568 7527645 8029488 8564460 9135424 10036860 10277352 10705984 11419280 12044232 12846690 13382480 13703136 15055290 16058976 17128920 20073720 20554704 22838560 24088464 25693380 26764960 27406272 30110580 32117952 34257840 40147440 41109408 45677120 48176928 51386760 53529920 58381069 60221160 68515680 80294880 82218816 96353856 102773520 116762138 120442320 137031360 160589760 175143207 205547040 233524276 240884640 291905345 350286414 411094080 467048552 481769280 525429621 583810690 700572828 875716035 934097104 1050859242 1167621380 1401145656 1751432070 1868194208 2101718484 2335242760 2627148105 2802291312 3502864140 3736388416 4203436968 4670485520 5254296210 5604582624 7005728280 8406873936 9340971040 10508592420 11209165248 14011456560 16813747872 18681942080 21017184840 28022913120 33627495744 42034369680 56045826240 84068739360 168137478720
- Sum of all divisors σ(n): 581401466100
- Sum of proper divisors (its aliquot sum) s(n): 413263987380
- 168137478720 is an abundant number, because the sum of its proper divisors (413263987380) is greater than itself. Its abundance is 245126508660
Bases of 168137478720
- Binary: 100111001001011100011001010010010000002
- Hexadecimal: 0x2725C65240
- Base-36: 258OPOW0
Squares and roots of 168137478720
- 168137478720 squared (1681374787202) is 28270211750318452838400
- 168137478720 cubed (1681374787203) is 4753282126579062817339803598848000
-
The
square root of 168137478720 is 410045.7032088009 -
The
cube root of 168137478720 is 5519.3530747841
Scales and comparisons
How big is 168137478720?- 168,137,478,720 seconds is equal to 5,346 years, 13 weeks, 15 hours, 12 minutes.
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To count from 1 to 168,137,478,720 would take you about ten thousand, six hundred ninety-two 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 168137478720 cubic inches would be around 459.9 feet tall.
Recreational maths with 168137478720
- 168137478720 backwards is 027874731861
- The number of decimal digits it has is: 12
- The sum of 168137478720's digits is 54
- More coming soon!
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