128427969320
128,427,969,320 is an even composite number composed of seven prime numbers multiplied together.
128427969320 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 128427969320:
23 × 5 × 7 × 31 × 149 × 199 × 499
(2 × 2 × 2 × 5 × 7 × 31 × 149 × 199 × 499)See below for interesting mathematical facts about the number 128427969320 from the Numbermatics database.
Names of 128427969320
- Cardinal: 128427969320 can be written as One hundred twenty-eight billion, four hundred twenty-seven million, nine hundred sixty-nine thousand, three hundred twenty.
Scientific notation
- Scientific notation: 1.2842796932 × 1011
Factors of 128427969320
Divisors of 128427969320
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 4 5 7 8 10 14 20 28 31 35 40 56 62 70 124 140 149 155 199 217 248 280 298 310 398 434 499 596 620 745 796 868 995 998 1043 1085 1192 1240 1393 1490 1592 1736 1990 1996 2086 2170 2495 2786 2980 3493 3980 3992 4172 4340 4619 4990 5215 5572 5960 6169 6965 6986 7960 8344 8680 9238 9980 10430 11144 12338 13930 13972 15469 17465 18476 19960 20860 23095 24676 27860 27944 29651 30845 30938 32333 34930 36952 41720 43183 46190 49352 55720 59302 61690 61876 64666 69860 74351 77345 86366 92380 99301 108283 118604 123380 123752 129332 139720 148255 148702 154690 161665 172732 184760 198602 207557 215915 216566 237208 246760 258664 296510 297404 309380 323330 345464 371755 397204 415114 431830 433132 496505 520457 541415 593020 594808 618760 646660 695107 743510 794408 830228 863660 866264 919181 993010 1037785 1040914 1082830 1186040 1293320 1390214 1487020 1660456 1727320 1838362 1986020 2075570 2081828 2165660 2304881 2602285 2780428 2974040 3078331 3475535 3676724 3972040 4151140 4163656 4331320 4595905 4609762 5204570 5560856 6156662 6434267 6951070 7353448 8302280 9191810 9219524 10409140 11524405 12313324 12868534 13902140 14795849 15391655 16134167 18383620 18439048 20818280 21548317 23048810 24626648 25737068 27804280 29591698 30783310 32171335 32268334 36767240 43096634 46097620 51474136 59183396 61566620 64342670 64536668 73979245 80670835 86193268 92195240 103570943 107741585 118366792 123133240 128685340 129073336 147958490 161341670 172386536 207141886 215483170 257370680 295916980 322683340 414283772 430966340 458671319 517854715 591833960 645366680 828567544 861932680 917342638 1035709430 1834685276 2071418860 2293356595 3210699233 3669370552 4142837720 4586713190 6421398466 9173426380 12842796932 16053496165 18346852760 25685593864 32106992330 64213984660 128427969320
- Sum of all divisors σ(n): 345600000000
- Sum of proper divisors (its aliquot sum) s(n): 217172030680
- 128427969320 is an abundant number, because the sum of its proper divisors (217172030680) is greater than itself. Its abundance is 88744061360
Bases of 128427969320
- Binary: 11101111001101110011101001011001010002
- Hexadecimal: 0x1DE6E74B28
- Base-36: 1MZYP3C8
Squares and roots of 128427969320
- 128427969320 squared (1284279693202) is 16493743303658861262400
- 128427969320 cubed (1284279693203) is 2118257958974255677953643669568000
-
The
square root of 128427969320 is 358368.4825985679 -
The
cube root of 128427969320 is 5045.2946966637
Scales and comparisons
How big is 128427969320?- 128,427,969,320 seconds is equal to 4,083 years, 31 weeks, 5 days, 19 hours, 55 minutes, 20 seconds.
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To count from 1 to 128,427,969,320 would take you about eight thousand, one hundred sixty-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 128427969320 cubic inches would be around 420.4 feet tall.
Recreational maths with 128427969320
- 128427969320 backwards is 023969724821
- The number of decimal digits it has is: 12
- The sum of 128427969320's digits is 53
- More coming soon!
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