81329848320
81,329,848,320 is an even composite number composed of six prime numbers multiplied together.
81329848320 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of five hundred forty-four divisors.
Prime factorization of 81329848320:
216 × 3 × 5 × 7 × 53 × 223
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 53 × 223)See below for interesting mathematical facts about the number 81329848320 from the Numbermatics database.
Names of 81329848320
- Cardinal: 81329848320 can be written as Eighty-one billion, three hundred twenty-nine million, eight hundred forty-eight thousand, three hundred twenty.
Scientific notation
- Scientific notation: 8.132984832 × 1010
Factors of 81329848320
Divisors of 81329848320
- Number of divisors d(n): 544
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 53 56 60 64 70 80 84 96 105 106 112 120 128 140 159 160 168 192 210 212 223 224 240 256 265 280 318 320 336 371 384 420 424 446 448 480 512 530 560 636 640 669 672 742 768 795 840 848 892 896 960 1024 1060 1113 1115 1120 1272 1280 1338 1344 1484 1536 1561 1590 1680 1696 1784 1792 1855 1920 2048 2120 2226 2230 2240 2544 2560 2676 2688 2968 3072 3122 3180 3345 3360 3392 3568 3584 3710 3840 4096 4240 4452 4460 4480 4683 5088 5120 5352 5376 5565 5936 6144 6244 6360 6690 6720 6784 7136 7168 7420 7680 7805 8192 8480 8904 8920 8960 9366 10176 10240 10704 10752 11130 11819 11872 12288 12488 12720 13380 13440 13568 14272 14336 14840 15360 15610 16384 16960 17808 17840 17920 18732 20352 20480 21408 21504 22260 23415 23638 23744 24576 24976 25440 26760 26880 27136 28544 28672 29680 30720 31220 32768 33920 35457 35616 35680 35840 37464 40704 40960 42816 43008 44520 46830 47276 47488 49152 49952 50880 53520 53760 54272 57088 57344 59095 59360 61440 62440 65536 67840 70914 71232 71360 71680 74928 81408 81920 82733 85632 86016 89040 93660 94552 94976 98304 99904 101760 107040 107520 108544 114176 114688 118190 118720 122880 124880 135680 141828 142464 142720 143360 149856 162816 163840 165466 171264 172032 177285 178080 187320 189104 189952 196608 199808 203520 214080 215040 217088 228352 229376 236380 237440 245760 248199 249760 271360 283656 284928 285440 286720 299712 325632 327680 330932 342528 344064 354570 356160 374640 378208 379904 399616 407040 413665 428160 430080 434176 456704 458752 472760 474880 491520 496398 499520 542720 567312 569856 570880 573440 599424 651264 661864 685056 688128 709140 712320 749280 756416 759808 799232 814080 827330 856320 860160 868352 913408 945520 949760 983040 992796 999040 1085440 1134624 1139712 1141760 1146880 1198848 1240995 1302528 1323728 1370112 1376256 1418280 1424640 1498560 1512832 1519616 1598464 1628160 1654660 1712640 1720320 1736704 1826816 1891040 1899520 1985592 1998080 2170880 2269248 2279424 2283520 2293760 2397696 2481990 2605056 2647456 2740224 2836560 2849280 2997120 3025664 3039232 3196928 3256320 3309320 3425280 3440640 3473408 3653632 3782080 3799040 3971184 3996160 4341760 4538496 4558848 4567040 4795392 4963980 5210112 5294912 5480448 5673120 5698560 5994240 6051328 6078464 6393856 6512640 6618640 6850560 6881280 7307264 7564160 7598080 7942368 7992320 8683520 9076992 9117696 9134080 9590784 9927960 10420224 10589824 10960896 11346240 11397120 11988480 12102656 12156928 12787712 13025280 13237280 13701120 14614528 15128320 15196160 15884736 15984640 17367040 18153984 18235392 18268160 19181568 19855920 21179648 21921792 22692480 22794240 23976960 24205312 24313856 25575424 26050560 26474560 27402240 30256640 30392320 31769472 31969280 36307968 36470784 36536320 38363136 39711840 42359296 43843584 45384960 45588480 47953920 48410624 51150848 52101120 52949120 54804480 60513280 60784640 63538944 63938560 72615936 72941568 73072640 76726272 79423680 84718592 90769920 91176960 95907840 96821248 102301696 105898240 109608960 121026560 121569280 127077888 127877120 145231872 153452544 158847360 169437184 181539840 182353920 191815680 193642496 211796480 219217920 242053120 254155776 255754240 290463744 306905088 317694720 338874368 363079680 364707840 383631360 387284992 423592960 484106240 508311552 511508480 580927488 635389440 677748736 726159360 767262720 774569984 847185920 968212480 1016623104 1161854976 1270778880 1355497472 1452318720 1534525440 1694371840 1936424960 2033246208 2323709952 2541557760 2710994944 2904637440 3388743680 3872849920 4066492416 5083115520 5421989888 5809274880 6777487360 8132984832 10166231040 11618549760 13554974720 16265969664 20332462080 27109949440 40664924160 81329848320
- Sum of all divisors σ(n): 304403484672
- Sum of proper divisors (its aliquot sum) s(n): 223073636352
- 81329848320 is an abundant number, because the sum of its proper divisors (223073636352) is greater than itself. Its abundance is 141743788032
Bases of 81329848320
- Binary: 10010111011111010001100000000000000002
- Hexadecimal: 0x12EFA30000
- Base-36: 11D1OWLC
Squares and roots of 81329848320
- 81329848320 squared (813298483202) is 6614544227754206822400
- 81329848320 cubed (813298483203) is 537959878749181175107701178368000
-
The
square root of 81329848320 is 285183.8850987201 -
The
cube root of 81329848320 is 4332.6138875553
Scales and comparisons
How big is 81329848320?- 81,329,848,320 seconds is equal to 2,586 years, 1 week, 6 days, 16 hours, 32 minutes.
-
To count from 1 to 81,329,848,320 would take you about five thousand, one hundred seventy-two 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 81329848320 cubic inches would be around 361.1 feet tall.
Recreational maths with 81329848320
- 81329848320 backwards is 02384892318
- 81329848320 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 81329848320's digits is 48
- More coming soon!
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