129542121984

Names of 129542121984

• Cardinal: 129542121984 can be written as One hundred twenty-nine billion, five hundred forty-two million, one hundred twenty-one thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 1.29542121984 × 10¹¹

Factors of 129542121984

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 236

Divisors of 129542121984

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 32 33 37 43 44 48 61 64 66 74 79 86 88 96 111 122 128 129 132 148 158 172 176 183 192 222 237 244 256 258 264 296 316 344 352 366 384 407 444 473 474 488 512 516 528 592 632 671 688 704 732 768 814 869 888 946 948 976 1032 1056 1184 1221 1264 1342 1376 1408 1419 1464 1536 1591 1628 1738 1776 1892 1896 1952 2013 2064 2112 2257 2368 2442 2528 2607 2623 2684 2752 2816 2838 2923 2928 3182 3256 3397 3476 3552 3784 3792 3904 4026 4128 4224 4514 4736 4773 4819 4884 5056 5214 5246 5368 5504 5632 5676 5846 5856 6364 6512 6771 6794 6952 7104 7568 7584 7808 7869 8052 8256 8448 8769 9028 9472 9546 9638 9768 10112 10191 10428 10492 10736 11008 11352 11692 11712 12728 13024 13542 13588 13904 14208 14457 15136 15168 15616 15738 16104 16512 16896 17501 17538 18056 18944 19092 19276 19536 20224 20382 20856 20984 21472 22016 22704 23384 23424 24827 25456 26048 27084 27176 27808 28416 28853 28914 30272 30336 31232 31476 32153 32208 33024 35002 35076 36112 37367 38184 38552 39072 40448 40764 41712 41968 42944 45408 46768 46848 49654 50912 52096 52503 53009 54168 54352 55616 56832 57706 57828 60544 60672 62952 64306 64416 66048 70004 70152 72224 74481 74734 76368 77104 78144 81528 83424 83936 85888 86559 90816 93536 93696 96459 97051 99308 101824 104192 105006 106018 108336 108704 111232 112101 115412 115656 121088 121344 125689 125904 128612 128832 140008 140304 144448 148962 149468 152736 154208 156288 159027 163056 166848 167872 171776 173118 178303 181632 187072 192918 194102 198616 203648 207217 208384 210012 212036 216672 217408 222464 224202 230824 231312 242176 251378 251808 257224 257664 280016 280608 288896 291153 297924 298936 305472 308416 312576 318054 326112 333696 335744 343552 346236 356606 363264 374144 377067 385836 388204 397232 407296 414434 420024 424072 433344 434816 444928 448404 461648 462624 502756 503616 514448 515328 534909 560032 561216 577792 582306 595848 597872 610944 616832 621651 625152 636108 652224 667392 671488 692472 713212 726528 748288 754134 771672 776408 794464 814592 828868 840048 848144 866688 869632 896808 923296 925248 1005512 1007232 1028896 1030656 1067561 1069818 1120064 1122432 1155584 1164612 1191696 1195744 1221888 1233664 1243302 1272216 1304448 1334784 1342976 1382579 1384944 1426424 1496576 1508268 1543344 1552816 1588928 1657736 1680096 1696288 1733376 1739264 1793616 1846592 1850496 1961333 2011024 2014464 2057792 2135122 2139636 2240128 2244864 2279387 2329224 2383392 2391488 2443776 2467328 2486604 2544432 2608896 2765158 2769888 2852848 3016536 3086688 3105632 3177856 3202683 3315472 3360192 3392576 3466752 3587232 3693184 3700992 3922666 4022048 4028928 4115584 4147737 4270244 4279272 4480256 4489728 4558774 4658448 4766784 4782976 4973208 5088864 5217792 5530316 5539776 5705696 5883999 6033072 6173376 6211264 6355712 6405366 6630944 6720384 6785152 6838161 7174464 7386368 7401984 7667029 7845332 8044096 8231168 8295474 8540488 8558544 8960512 9117548 9316896 9533568 9565952 9946416 10177728 11060632 11079552 11411392 11767998 12066144 12346752 12422528 12711424 12810732 13261888 13440768 13570304 13676322 14348928 14772736 15334058 15690664 16088192 16462336 16590948 17080976 17117088 18235096 18633792 19067136 19131904 19892832 20355456 22121264 22159104 22822784 23001087 23535996 24132288 24693504 24845056 25621464 26523776 26881536 27140608 27352644 28697856 30668116 31381328 32176384 33181896 34161952 34234176 36470192 37267584 38134272 39785664 40710912 44242528 44318208 45645568 46002174 47071992 48264576 49387008 49690112 51242928 53047552 54705288 57395712 61336232 62762656 64352768 66363792 68323904 68468352 72940384 74535168 79571328 81421824 84337319 88485056 91291136 92004348 94143984 96529152 102485856 106095104 109410576 122672464 125525312 132727584 136647808 136936704 145880768 149070336 159142656 168674638 176970112 184008696 188287968 193058304 204971712 218821152 245344928 251050624 253011957 265455168 273295616 273873408 291761536 318285312 337349276 353940224 368017392 376575936 409943424 437642304 490689856 502101248 506023914 530910336 546591232 583523072 674698552 707880448 736034784 753151872 819886848 875284608 981379712 1004202496 1012047828 1061820672 1167046144 1349397104 1472069568 1506303744 1639773696 1750569216 1962759424 2024095656 2123641344 2698794208 2944139136 3012607488 3501138432 3925518848 4048191312 5397588416 5888278272 8096382624 10795176832 11776556544 16192765248 21590353664 32385530496 43180707328 64771060992 129542121984
• Sum of all divisors σ(n): 407225364480
• Sum of proper divisors (its aliquot sum) s(n): 277683242496
• 129542121984 is an abundant number, because the sum of its proper divisors (277683242496) is greater than itself. Its abundance is 148141120512

Bases of 129542121984

• Binary: 1111000101001010011111110101000000000₂
• Hexadecimal: 0x1E294FEA00
• Base-36: 1NIE191C

Squares and roots of 129542121984

• 129542121984 squared (129542121984²) is 16781161368117536096256
• 129542121984 cubed (129542121984³) is 2173867252981870189430717917691904
• The square root of 129542121984 is 359919.6048897587
• The cube root of 129542121984 is 5059.8425430753

Scales and comparisons

• 129,542,121,984 seconds is equal to 4,119 years, 2 weeks, 2 hours, 46 minutes, 24 seconds.
• To count from 1 to 129,542,121,984 would take you about eight thousand, two hundred thirty-eight 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 129542121984 cubic inches would be around 421.7 feet tall.

Recreational maths with 129542121984

• 129542121984 backwards is 489121245921
• 129542121984 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129542121984's digits is 48
• More coming soon!