129107728640
129,107,728,640 is an even composite number composed of six prime numbers multiplied together.
129107728640 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 129107728640:
28 × 5 × 11 × 31 × 53 × 5581
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 11 × 31 × 53 × 5581)See below for interesting mathematical facts about the number 129107728640 from the Numbermatics database.
Names of 129107728640
- Cardinal: 129107728640 can be written as One hundred twenty-nine billion, one hundred seven million, seven hundred twenty-eight thousand, six hundred forty.
Scientific notation
- Scientific notation: 1.2910772864 × 1011
Factors of 129107728640
Divisors of 129107728640
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 4 5 8 10 11 16 20 22 31 32 40 44 53 55 62 64 80 88 106 110 124 128 155 160 176 212 220 248 256 265 310 320 341 352 424 440 496 530 583 620 640 682 704 848 880 992 1060 1166 1240 1280 1364 1408 1643 1696 1705 1760 1984 2120 2332 2480 2728 2816 2915 3286 3392 3410 3520 3968 4240 4664 4960 5456 5581 5830 6572 6784 6820 7040 7936 8215 8480 9328 9920 10912 11162 11660 13144 13568 13640 14080 16430 16960 18073 18656 19840 21824 22324 23320 26288 27280 27905 32860 33920 36146 37312 39680 43648 44648 46640 52576 54560 55810 61391 65720 67840 72292 74624 87296 89296 90365 93280 105152 109120 111620 122782 131440 144584 149248 173011 178592 180730 186560 210304 218240 223240 245564 262880 289168 295793 306955 346022 357184 361460 373120 420608 436480 446480 491128 525760 578336 591586 613910 692044 714368 722920 746240 865055 892960 982256 1051520 1156672 1183172 1227820 1384088 1428736 1445840 1478965 1730110 1785920 1903121 1964512 2103040 2313344 2366344 2455640 2768176 2891680 2957930 3253723 3460220 3571840 3806242 3929024 4626688 4732688 4911280 5536352 5783360 5915860 6507446 6920440 7143680 7612484 7858048 9169583 9465376 9515605 9822560 11072704 11566720 11831720 13014892 13840880 15224968 15716096 16268615 18339166 18930752 19031210 19645120 22145408 23133440 23663440 26029784 27681760 30449936 32537230 36678332 37861504 38062420 39290240 44290816 45847915 47326880 52059568 55363520 60899872 65074460 73356664 75723008 76124840 78580480 91695830 94653760 100865413 104119136 110727040 121799744 130148920 146713328 152249680 183391660 189307520 201730826 208238272 221454080 243599488 260297840 293426656 304499360 366783320 378615040 403461652 416476544 487198976 504327065 520595680 586853312 608998720 733566640 806923304 832953088 1008654130 1041191360 1173706624 1217997440 1467133280 1613846608 2017308260 2082382720 2347413248 2435994880 2934266560 3227693216 4034616520 4164765440 5868533120 6455386432 8069233040 11737066240 12910772864 16138466080 25821545728 32276932160 64553864320 129107728640
- Sum of all divisors σ(n): 354884447232
- Sum of proper divisors (its aliquot sum) s(n): 225776718592
- 129107728640 is an abundant number, because the sum of its proper divisors (225776718592) is greater than itself. Its abundance is 96668989952
Bases of 129107728640
- Binary: 11110000011110110101110011001000000002
- Hexadecimal: 0x1E0F6B9900
- Base-36: 1NB7EOZK
Squares and roots of 129107728640
- 129107728640 squared (1291077286402) is 16668805594579876249600
- 129107728640 cubed (1291077286403) is 2152071629457932517638137708544000
-
The
square root of 129107728640 is 359315.6392922523 -
The
cube root of 129107728640 is 5054.1804894693
Scales and comparisons
How big is 129107728640?- 129,107,728,640 seconds is equal to 4,105 years, 11 weeks, 5 days, 9 hours, 57 minutes, 20 seconds.
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To count from 1 to 129,107,728,640 would take you about eight thousand, two hundred ten 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 129107728640 cubic inches would be around 421.2 feet tall.
Recreational maths with 129107728640
- 129107728640 backwards is 046827701921
- The number of decimal digits it has is: 12
- The sum of 129107728640's digits is 47
- More coming soon!
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