129972653440
129,972,653,440 is an even composite number composed of six prime numbers multiplied together.
129972653440 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 129972653440:
27 × 5 × 7 × 31 × 127 × 7369
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 31 × 127 × 7369)See below for interesting mathematical facts about the number 129972653440 from the Numbermatics database.
Names of 129972653440
- Cardinal: 129972653440 can be written as One hundred twenty-nine billion, nine hundred seventy-two million, six hundred fifty-three thousand, four hundred forty.
Scientific notation
- Scientific notation: 1.2997265344 × 1011
Factors of 129972653440
Divisors of 129972653440
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 31 32 35 40 56 62 64 70 80 112 124 127 128 140 155 160 217 224 248 254 280 310 320 434 448 496 508 560 620 635 640 868 889 896 992 1016 1085 1120 1240 1270 1736 1778 1984 2032 2170 2240 2480 2540 3472 3556 3937 3968 4064 4340 4445 4480 4960 5080 6944 7112 7369 7874 8128 8680 8890 9920 10160 13888 14224 14738 15748 16256 17360 17780 19685 19840 20320 27559 27776 28448 29476 31496 34720 35560 36845 39370 40640 51583 55118 56896 58952 62992 69440 71120 73690 78740 81280 103166 110236 113792 117904 125984 137795 138880 142240 147380 157480 206332 220472 228439 235808 251968 257915 275590 284480 294760 314960 412664 440944 456878 471616 503936 515830 551180 568960 589520 629920 825328 881888 913756 935863 943232 1031660 1102360 1142195 1179040 1259840 1599073 1650656 1763776 1827512 1871726 2063320 2204720 2284390 2358080 2519680 3198146 3301312 3527552 3655024 3743452 4126640 4409440 4568780 4679315 4716160 6396292 6551041 6602624 7310048 7486904 7995365 8253280 8818880 9137560 9358630 12792584 13102082 14620096 14973808 15990730 16506560 17637760 18275120 18717260 25585168 26204164 29011753 29240192 29947616 31981460 32755205 33013120 36550240 37434520 51170336 52408328 58023506 59895232 63962920 65510410 73100480 74869040 102340672 104816656 116047012 119790464 127925840 131020820 145058765 146200960 149738080 203082271 204681344 209633312 232094024 255851680 262041640 290117530 299476160 406164542 419266624 464188048 511703360 524083280 580235060 598952320 812329084 838533248 928376096 1015411355 1023406720 1048166560 1160470120 1624658168 1856752192 2030822710 2096333120 2320940240 3249316336 3713504384 4061645420 4192666240 4641880480 6498632672 8123290840 9283760960 12997265344 16246581680 18567521920 25994530688 32493163360 64986326720 129972653440
- Sum of all divisors σ(n): 369495244800
- Sum of proper divisors (its aliquot sum) s(n): 239522591360
- 129972653440 is an abundant number, because the sum of its proper divisors (239522591360) is greater than itself. Its abundance is 109549937920
Bases of 129972653440
- Binary: 11110010000101111100101001101100000002
- Hexadecimal: 0x1E42F94D80
- Base-36: 1NPID18G
Squares and roots of 129972653440
- 129972653440 squared (1299726534402) is 16892890642234343833600
- 129972653440 cubed (1299726534403) is 2195613821042943398350293827584000
-
The
square root of 129972653440 is 360517.2026963485 -
The
cube root of 129972653440 is 5065.4417836213
Scales and comparisons
How big is 129972653440?- 129,972,653,440 seconds is equal to 4,132 years, 37 weeks, 6 days, 2 hours, 50 minutes, 40 seconds.
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To count from 1 to 129,972,653,440 would take you about eight thousand, two hundred sixty-five 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 129972653440 cubic inches would be around 422.1 feet tall.
Recreational maths with 129972653440
- 129972653440 backwards is 044356279921
- The number of decimal digits it has is: 12
- The sum of 129972653440's digits is 52
- More coming soon!
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