161385000
161,385,000 is an even composite number composed of six prime numbers multiplied together.
161385000 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 161385000:
23 × 3 × 54 × 7 × 29 × 53
(2 × 2 × 2 × 3 × 5 × 5 × 5 × 5 × 7 × 29 × 53)See below for interesting mathematical facts about the number 161385000 from the Numbermatics database.
Names of 161385000
- Cardinal: 161385000 can be written as One hundred sixty-one million, three hundred eighty-five thousand.
Scientific notation
- Scientific notation: 1.61385 × 108
Factors of 161385000
Divisors of 161385000
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 25 28 29 30 35 40 42 50 53 56 58 60 70 75 84 87 100 105 106 116 120 125 140 145 150 159 168 174 175 200 203 210 212 232 250 265 280 290 300 318 348 350 371 375 406 420 424 435 500 525 530 580 600 609 625 636 696 700 725 742 750 795 812 840 870 875 1000 1015 1050 1060 1113 1160 1218 1250 1272 1325 1400 1450 1484 1500 1537 1590 1624 1740 1750 1855 1875 2030 2100 2120 2175 2226 2436 2500 2625 2650 2900 2968 3000 3045 3074 3180 3480 3500 3625 3710 3750 3975 4060 4200 4350 4375 4452 4611 4872 5000 5075 5250 5300 5565 5800 6090 6148 6360 6625 7000 7250 7420 7500 7685 7950 8120 8700 8750 8904 9222 9275 10150 10500 10600 10759 10875 11130 12180 12296 13125 13250 14500 14840 15000 15225 15370 15900 17400 17500 18125 18444 18550 19875 20300 21000 21518 21750 22260 23055 24360 25375 26250 26500 27825 29000 30450 30740 31800 32277 33125 35000 36250 36888 37100 38425 39750 40600 43036 43500 44520 46110 46375 50750 52500 53000 53795 54375 55650 60900 61480 64554 66250 72500 74200 76125 76850 79500 86072 87000 92220 92750 99375 101500 105000 107590 108750 111300 115275 121800 126875 129108 132500 139125 145000 152250 153700 159000 161385 184440 185500 192125 198750 203000 215180 217500 222600 230550 231875 253750 258216 265000 268975 278250 304500 307400 322770 371000 380625 384250 397500 430360 435000 461100 463750 507500 537950 556500 576375 609000 645540 695625 761250 768500 795000 806925 922200 927500 960625 1015000 1075900 1113000 1152750 1291080 1344875 1391250 1522500 1537000 1613850 1855000 1921250 2151800 2305500 2689750 2782500 2881875 3045000 3227700 3842500 4034625 4611000 5379500 5565000 5763750 6455400 6724375 7685000 8069250 10759000 11527500 13448750 16138500 20173125 23055000 26897500 32277000 40346250 53795000 80692500 161385000
- Sum of all divisors σ(n): 607305600
- Sum of proper divisors (its aliquot sum) s(n): 445920600
- 161385000 is an abundant number, because the sum of its proper divisors (445920600) is greater than itself. Its abundance is 284535600
Bases of 161385000
- Binary: 10011001111010001010001010002
- Hexadecimal: 0x99E8A28
- Base-36: 2O31GO
Squares and roots of 161385000
- 161385000 squared (1613850002) is 26045118225000000
- 161385000 cubed (1613850003) is 4203291404741625000000000
-
The
square root of 161385000 is 12703.7396069031 -
The
cube root of 161385000 is 544.4454702497
Scales and comparisons
How big is 161385000?- 161,385,000 seconds is equal to 5 years, 6 weeks, 5 days, 21 hours, 10 minutes.
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To count from 1 to 161,385,000 would take you about seven 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 161385000 cubic inches would be around 45.4 feet tall.
Recreational maths with 161385000
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