81628037120
81,628,037,120 is an even composite number composed of five prime numbers multiplied together.
81628037120 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred seventy-two divisors.
Prime factorization of 81628037120:
216 × 5 × 7 × 19 × 1873
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 19 × 1873)See below for interesting mathematical facts about the number 81628037120 from the Numbermatics database.
Names of 81628037120
- Cardinal: 81628037120 can be written as Eighty-one billion, six hundred twenty-eight million, thirty-seven thousand, one hundred twenty.
Scientific notation
- Scientific notation: 8.162803712 × 1010
Factors of 81628037120
Divisors of 81628037120
- Number of divisors d(n): 272
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 19 20 28 32 35 38 40 56 64 70 76 80 95 112 128 133 140 152 160 190 224 256 266 280 304 320 380 448 512 532 560 608 640 665 760 896 1024 1064 1120 1216 1280 1330 1520 1792 1873 2048 2128 2240 2432 2560 2660 3040 3584 3746 4096 4256 4480 4864 5120 5320 6080 7168 7492 8192 8512 8960 9365 9728 10240 10640 12160 13111 14336 14984 16384 17024 17920 18730 19456 20480 21280 24320 26222 28672 29968 32768 34048 35587 35840 37460 38912 40960 42560 48640 52444 57344 59936 65536 65555 68096 71174 71680 74920 77824 81920 85120 97280 104888 114688 119872 131110 136192 142348 143360 149840 155648 163840 170240 177935 194560 209776 229376 239744 249109 262220 272384 284696 286720 299680 311296 327680 340480 355870 389120 419552 458752 479488 498218 524440 544768 569392 573440 599360 622592 680960 711740 778240 839104 958976 996436 1048880 1089536 1138784 1146880 1198720 1245184 1245545 1361920 1423480 1556480 1678208 1917952 1992872 2097760 2179072 2277568 2293760 2397440 2491090 2723840 2846960 3112960 3356416 3835904 3985744 4195520 4358144 4555136 4794880 4982180 5447680 5693920 6225920 6712832 7671808 7971488 8391040 8716288 9110272 9589760 9964360 10895360 11387840 13425664 15343616 15942976 16782080 18220544 19179520 19928720 21790720 22775680 26851328 30687232 31885952 33564160 36441088 38359040 39857440 43581440 45551360 53702656 61374464 63771904 67128320 72882176 76718080 79714880 91102720 107405312 122748928 127543808 134256640 145764352 153436160 159429760 182205440 214810624 255087616 268513280 291528704 306872320 318859520 364410880 429621248 510175232 537026560 583057408 613744640 637719040 728821760 859242496 1020350464 1074053120 1166114816 1275438080 1457643520 2040700928 2148106240 2332229632 2550876160 2915287040 4081401856 4296212480 5101752320 5830574080 8162803712 10203504640 11661148160 16325607424 20407009280 40814018560 81628037120
- Sum of all divisors σ(n): 235801971840
- Sum of proper divisors (its aliquot sum) s(n): 154173934720
- 81628037120 is an abundant number, because the sum of its proper divisors (154173934720) is greater than itself. Its abundance is 72545897600
Bases of 81628037120
- Binary: 10011000000010110100100000000000000002
- Hexadecimal: 0x1301690000
- Base-36: 11HZ84JK
Squares and roots of 81628037120
- 81628037120 squared (816280371202) is 6663136444064097894400
- 81628037120 cubed (816280371203) is 543898748991688986583397040128000
-
The
square root of 81628037120 is 285706.2077029479 -
The
cube root of 81628037120 is 4337.9024798175
Scales and comparisons
How big is 81628037120?- 81,628,037,120 seconds is equal to 2,595 years, 26 weeks, 6 days, 22 hours, 45 minutes, 20 seconds.
-
To count from 1 to 81,628,037,120 would take you about five thousand, one hundred ninety-one 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 81628037120 cubic inches would be around 361.5 feet tall.
Recreational maths with 81628037120
- 81628037120 backwards is 02173082618
- 81628037120 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 81628037120's digits is 38
- More coming soon!
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