129389985792

Names of 129389985792

• Cardinal: 129389985792 can be written as One hundred twenty-nine billion, three hundred eighty-nine million, nine hundred eighty-five thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 1.29389985792 × 10¹¹

Factors of 129389985792

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 22
• Sum of prime factors: 75

Divisors of 129389985792

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 29 32 36 41 48 54 58 64 72 81 82 87 96 108 116 123 128 144 162 164 174 192 216 232 246 256 261 288 324 328 348 369 384 432 464 492 512 522 576 648 656 696 738 768 783 864 928 984 1024 1044 1107 1152 1189 1296 1312 1392 1476 1536 1566 1681 1728 1856 1968 2048 2088 2214 2304 2349 2378 2592 2624 2784 2952 3072 3132 3321 3362 3456 3567 3712 3936 4096 4176 4428 4608 4698 4756 5043 5184 5248 5568 5904 6144 6264 6642 6724 6912 7134 7424 7872 8192 8352 8856 9216 9396 9512 10086 10368 10496 10701 11136 11808 12288 12528 13284 13448 13824 14268 14848 15129 15744 16384 16704 17712 18432 18792 19024 20172 20736 20992 21402 22272 23616 24576 25056 26568 26896 27648 28536 29696 30258 31488 32103 32768 33408 35424 36864 37584 38048 40344 41472 41984 42804 44544 45387 47232 48749 49152 50112 53136 53792 55296 57072 59392 60516 62976 64206 66816 70848 73728 75168 76096 80688 82944 83968 85608 89088 90774 94464 96309 97498 98304 100224 106272 107584 110592 114144 118784 121032 125952 128412 133632 136161 141696 146247 147456 150336 152192 161376 165888 167936 171216 178176 181548 188928 192618 194996 200448 212544 215168 221184 228288 237568 242064 251904 256824 267264 272322 283392 292494 294912 300672 304384 322752 331776 335872 342432 356352 363096 377856 385236 389992 400896 425088 430336 438741 442368 456576 475136 484128 503808 513648 534528 544644 566784 584988 601344 608768 645504 663552 671744 684864 712704 726192 755712 770472 779984 801792 850176 860672 877482 884736 913152 950272 968256 1007616 1027296 1069056 1089288 1133568 1169976 1202688 1217536 1291008 1316223 1327104 1343488 1369728 1425408 1452384 1511424 1540944 1559968 1603584 1700352 1721344 1754964 1826304 1936512 2015232 2054592 2138112 2178576 2267136 2339952 2405376 2435072 2582016 2632446 2654208 2739456 2850816 2904768 3022848 3081888 3119936 3207168 3400704 3442688 3509928 3652608 3873024 3948669 4030464 4109184 4276224 4357152 4534272 4679904 4810752 4870144 5164032 5264892 5478912 5809536 6045696 6163776 6239872 6414336 6801408 6885376 7019856 7305216 7746048 7897338 8218368 8552448 8714304 9068544 9359808 9621504 9740288 10328064 10529784 10957824 11619072 12091392 12327552 12479744 12828672 13602816 13770752 14039712 14610432 15492096 15794676 16436736 17428608 18137088 18719616 19243008 19480576 20656128 21059568 21915648 23238144 24655104 24959488 25657344 27205632 27541504 28079424 29220864 30984192 31589352 32873472 34857216 36274176 37439232 38486016 38961152 41312256 42119136 43831296 46476288 49310208 49918976 54411264 55083008 56158848 58441728 61968384 63178704 65746944 69714432 74878464 76972032 82624512 84238272 87662592 92952576 98620416 99837952 108822528 112317696 116883456 123936768 126357408 131493888 139428864 149756928 165249024 168476544 175325184 185905152 197240832 199675904 224635392 247873536 252714816 262987776 278857728 299513856 336953088 350650368 371810304 394481664 399351808 449270784 495747072 505429632 525975552 557715456 599027712 673906176 743620608 788963328 798703616 898541568 1010859264 1051951104 1115430912 1198055424 1347812352 1487241216 1577926656 1597407232 1797083136 2021718528 2230861824 2396110848 2695624704 3155853312 3594166272 4043437056 4461723648 4792221696 5391249408 7188332544 8086874112 10782498816 14376665088 16173748224 21564997632 32347496448 43129995264 64694992896 129389985792
• Sum of all divisors σ(n): 409888002150
• Sum of proper divisors (its aliquot sum) s(n): 280498016358
• 129389985792 is an abundant number, because the sum of its proper divisors (280498016358) is greater than itself. Its abundance is 151108030566

Bases of 129389985792

• Binary: 1111000100000001111101000000000000000₂
• Hexadecimal: 0x1E203E8000
• Base-36: 1NFVGG00

Squares and roots of 129389985792

• 129389985792 squared (129389985792²) is 16741768423253961867264
• 129389985792 cubed (129389985792³) is 2166217178417784368412998749913088
• The square root of 129389985792 is 359708.1953361641
• The cube root of 129389985792 is 5057.8609824045

Scales and comparisons

• 129,389,985,792 seconds is equal to 4,114 years, 10 weeks, 3 days, 6 hours, 43 minutes, 12 seconds.
• To count from 1 to 129,389,985,792 would take you about eight thousand, two hundred twenty-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 129389985792 cubic inches would be around 421.5 feet tall.

Recreational maths with 129389985792

• 129389985792 backwards is 297589983921
• 129389985792 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129389985792's digits is 72
• More coming soon!