72129734656
72,129,734,656 is an even composite number composed of six prime numbers multiplied together.
72129734656 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 72129734656:
211 × 7 × 17 × 19 × 37 × 421
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 17 × 19 × 37 × 421)See below for interesting mathematical facts about the number 72129734656 from the Numbermatics database.
Names of 72129734656
- Cardinal: 72129734656 can be written as Seventy-two billion, one hundred twenty-nine million, seven hundred thirty-four thousand, six hundred fifty-six.
Scientific notation
- Scientific notation: 7.2129734656 × 1010
Factors of 72129734656
Divisors of 72129734656
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 4 7 8 14 16 17 19 28 32 34 37 38 56 64 68 74 76 112 119 128 133 136 148 152 224 238 256 259 266 272 296 304 323 421 448 476 512 518 532 544 592 608 629 646 703 842 896 952 1024 1036 1064 1088 1184 1216 1258 1292 1406 1684 1792 1904 2048 2072 2128 2176 2261 2368 2432 2516 2584 2812 2947 3368 3584 3808 4144 4256 4352 4403 4522 4736 4864 4921 5032 5168 5624 5894 6736 7157 7168 7616 7999 8288 8512 8704 8806 9044 9472 9728 9842 10064 10336 11248 11788 11951 13472 14314 14336 15232 15577 15998 16576 17024 17408 17612 18088 18944 19456 19684 20128 20672 22496 23576 23902 26944 28628 30464 31154 31996 33152 34048 34816 35224 36176 37888 38912 39368 40256 41344 44992 47152 47804 50099 53888 55993 57256 60928 62308 63992 66304 68096 70448 72352 75776 78736 80512 82688 83657 89984 94304 95608 100198 107776 109039 111986 114512 121856 124616 127984 132608 135983 136192 140896 144704 157472 161024 165376 167314 179968 188608 191216 200396 215552 218078 223972 229024 243712 249232 255968 264809 265216 271966 272384 281792 289408 295963 314944 322048 330752 334628 359936 377216 382432 400792 431104 436156 447944 458048 498464 511936 529618 530432 543932 563584 578816 591926 629888 644096 661504 669256 719872 754432 764864 801584 862208 872312 895888 916096 951881 996928 1023872 1059236 1087864 1127168 1157632 1183852 1259776 1288192 1338512 1439744 1508864 1529728 1603168 1744624 1791776 1832192 1853663 1903762 1993856 2047744 2071741 2118472 2175728 2254336 2315264 2367704 2519552 2677024 3017728 3059456 3206336 3489248 3583552 3664384 3707326 3807524 3987712 4095488 4143482 4236944 4351456 4508672 4630528 4735408 5031371 5039104 5354048 6035456 6118912 6412672 6978496 7167104 7328768 7414652 7615048 7975424 8190976 8286964 8473888 8702912 9017344 9470816 10062742 10078208 10708096 12237824 12825344 13956992 14334208 14657536 14829304 15230096 15950848 16381952 16573928 16947776 17405824 18941632 20125484 21416192 24475648 25650688 27913984 28668416 29658608 30460192 31901696 33147856 33895552 34811648 35219597 37883264 40250968 42832384 51301376 55827968 57336832 59317216 60920384 66295712 67791104 69623296 70439194 75766528 80501936 85664768 102602752 111655936 114673664 118634432 121840768 132591424 135582208 139246592 140878388 151533056 161003872 171329536 223311872 237268864 243681536 265182848 271164416 278493184 281756776 303066112 322007744 474537728 487363072 530365696 542328832 563513552 606132224 644015488 949075456 974726144 1060731392 1127027104 1288030976 1898150912 1949452288 2121462784 2254054208 2576061952 3796301824 4242925568 4508108416 5152123904 9016216832 10304247808 18032433664 36064867328 72129734656
- Sum of all divisors σ(n): 189122169600
- Sum of proper divisors (its aliquot sum) s(n): 116992434944
- 72129734656 is an abundant number, because the sum of its proper divisors (116992434944) is greater than itself. Its abundance is 44862700288
Bases of 72129734656
- Binary: 10000110010110100010001101000000000002
- Hexadecimal: 0x10CB446800
- Base-36: X4W6JGG
Squares and roots of 72129734656
- 72129734656 squared (721297346562) is 5202698621544967438336
- 72129734656 cubed (721297346563) is 375269271067175466099335722172416
-
The
square root of 72129734656 is 268569.7947573405 -
The
cube root of 72129734656 is 4162.6648408971
Scales and comparisons
How big is 72129734656?- 72,129,734,656 seconds is equal to 2,293 years, 26 weeks, 21 hours, 24 minutes, 16 seconds.
-
To count from 1 to 72,129,734,656 would take you about four thousand, five hundred eighty-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 72129734656 cubic inches would be around 346.9 feet tall.
Recreational maths with 72129734656
- 72129734656 backwards is 65643792127
- The number of decimal digits it has is: 11
- The sum of 72129734656's digits is 52
- More coming soon!
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