129754008720

Names of 129754008720

• Cardinal: 129754008720 can be written as One hundred twenty-nine billion, seven hundred fifty-four million, eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.2975400872 × 10¹¹

Factors of 129754008720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1268

Divisors of 129754008720

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 23 24 28 30 35 36 40 41 42 45 46 48 56 60 63 69 70 72 80 82 84 90 92 105 112 115 120 123 126 138 140 144 161 164 168 180 184 205 207 210 230 240 246 252 276 280 287 315 322 328 336 345 360 368 369 410 414 420 460 483 492 504 529 552 560 574 615 630 644 656 690 720 738 805 820 828 840 861 920 943 966 984 1008 1035 1058 1104 1148 1187 1230 1260 1288 1380 1435 1449 1476 1587 1610 1640 1656 1680 1722 1840 1845 1886 1932 1968 2070 2116 2296 2374 2415 2460 2520 2576 2583 2645 2760 2829 2870 2898 2952 3174 3220 3280 3312 3444 3561 3690 3703 3772 3864 4140 4232 4305 4592 4715 4748 4761 4830 4920 5040 5166 5290 5520 5658 5740 5796 5904 5935 6348 6440 6601 6888 7122 7245 7380 7406 7544 7728 7935 8280 8309 8464 8487 8610 9430 9496 9522 9660 9840 10332 10580 10683 11109 11316 11480 11592 11870 12696 12880 12915 13202 13776 14145 14244 14490 14760 14812 15088 15870 16560 16618 16974 17220 17805 18515 18860 18992 19044 19320 19803 20664 21160 21366 21689 22218 22632 22960 23184 23740 23805 24927 25392 25830 26404 27301 28290 28488 28980 29520 29624 31740 33005 33236 33327 33948 34440 35610 37030 37720 38088 38640 39606 41328 41545 42320 42435 42732 43378 44436 45264 47480 47610 48667 49854 51660 52808 53415 54602 55545 56580 56976 57960 59248 59409 63480 65067 66010 66472 66654 67896 68880 71220 74060 74781 75440 76176 79212 81903 83090 84870 85464 86756 88872 94960 95220 97334 99015 99708 103320 105616 106830 108445 109204 111090 113160 115920 118818 124635 126960 130134 132020 132944 133308 135792 136505 142440 146001 148120 149562 151823 158424 163806 166180 166635 169740 170928 173512 177744 190440 191107 194668 195201 198030 199416 206640 213660 216890 218408 222180 226320 237636 243335 245709 249270 260268 264040 266616 273010 284880 292002 296240 297045 299124 303646 316848 325335 327612 332360 333270 339480 340669 347024 373905 380880 382214 389336 390402 396060 398832 409515 427320 433780 436816 438003 444360 455469 475272 486670 491418 498540 520536 528080 533232 546020 573321 584004 594090 598248 607292 627923 650670 655224 664720 666540 678960 681338 730005 747810 759115 764428 778672 780804 792120 819030 854640 867560 876006 888720 910938 950544 955535 973340 976005 982836 997080 1022007 1041072 1092040 1119341 1146642 1168008 1188180 1196496 1214584 1228545 1255846 1301340 1310448 1333080 1362676 1366407 1460010 1495620 1518230 1528856 1561608 1584240 1638060 1703345 1719963 1735120 1752012 1821876 1883769 1911070 1946680 1952010 1965672 1994160 2044014 2184080 2190015 2238682 2277345 2293284 2336016 2376360 2429168 2457090 2511692 2602680 2666160 2725352 2732814 2866605 2920020 2991240 3036460 3057712 3066021 3123216 3139615 3276120 3358023 3406690 3439926 3504024 3643752 3767538 3822140 3893360 3904020 3931344 4088028 4380030 4395461 4477364 4554690 4586568 4752720 4914180 5023384 5110035 5205360 5450704 5465628 5596705 5651307 5733210 5840040 5982480 6072920 6132042 6279230 6552240 6716046 6813380 6832035 6879852 7008048 7287504 7535076 7644280 7808040 7835387 8176056 8599815 8760060 8790922 8954728 9109380 9173136 9418845 9828360 10046768 10074069 10220070 10931256 11193410 11302614 11466420 11680080 12145840 12264084 12558460 13186383 13432092 13626760 13664070 13759704 15070152 15288560 15330105 15616080 15670774 16352112 16790115 17199630 17520120 17581844 17909456 18218760 18837690 19656720 20148138 20440140 21862512 21977305 22386820 22605228 22932840 23506161 24528168 25116920 25744843 26372766 26864184 27253520 27328140 27519408 28256535 30140304 30660210 31341548 33580230 34399260 35040240 35163688 36437520 37675380 39176935 39559149 40296276 40880280 43954610 44773640 45210456 45865680 47012322 49056336 50233840 50370345 51489686 52745532 53728368 54656280 56513070 61320420 62683096 65931915 67160460 68798520 70327376 70518483 75350760 77234529 78353870 79118298 80592552 81760560 87909220 89547280 90420912 94024644 100740690 102979372 105491064 109312560 113026140 117530805 122640840 125366192 128724215 131863830 134320920 137597040 141036966 150701520 154469058 156707740 158236596 161185104 175818440 180213901 188049288 197795745 201481380 205958744 210982128 226052280 231703587 235061610 245281680 257448430 263727660 268641840 282073932 308938116 313415480 316473192 351636880 352592415 360427802 376098576 386172645 395591490 402962760 411917488 452104560 463407174 470123220 514896860 527455320 540641703 564147864 617876232 626830960 632946384 705184830 720855604 772345290 791182980 805925520 901069505 926814348 940246440 1029793720 1054910640 1081283406 1128295728 1158517935 1235752464 1410369660 1441711208 1544690580 1582365960 1621925109 1802139010 1853628696 1880492880 2059587440 2162566812 2317035870 2703208515 2820739320 2883422416 3089381160 3164731920 3243850218 3604278020 3707257392 4325133624 4634071740 5406417030 5641478640 6178762320 6487700436 7208556040 8109625545 8650267248 9268143480 10812834060 12975400872 14417112080 16219251090 18536286960 21625668120 25950801744 32438502180 43251336240 64877004360 129754008720
• Sum of all divisors σ(n): 533749087872
• Sum of proper divisors (its aliquot sum) s(n): 403995079152
• 129754008720 is an abundant number, because the sum of its proper divisors (403995079152) is greater than itself. Its abundance is 274241070432

Bases of 129754008720

• Binary: 1111000110101111100010000110010010000₂
• Hexadecimal: 0x1E35F10C90
• Base-36: 1NLW6PW0

Squares and roots of 129754008720

• 129754008720 squared (129754008720²) is 16836102778909836038400
• 129754008720 cubed (129754008720³) is 2184551826785483097420323854848000
• The square root of 129754008720 is 360213.8374910103
• The cube root of 129754008720 is 5062.5997659719

Scales and comparisons

• 129,754,008,720 seconds is equal to 4,125 years, 40 weeks, 2 days, 12 hours, 12 minutes.
• To count from 1 to 129,754,008,720 would take you about eight thousand, two hundred fifty-one 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 129754008720 cubic inches would be around 421.9 feet tall.

Recreational maths with 129754008720

• 129754008720 backwards is 027800457921
• 129754008720 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129754008720's digits is 45
• More coming soon!